ENVIRONMENTAL CONTROLLERS GREENHOUSE - INDOOR - LARGE - SMALL - COMMERCIAL

ENVIRONMENTAL CONTROLLERS GREENHOUSE - INDOOR - LARGE - SMALL - COMMERCIAL

2 LINK4 PRODUCTS // LINK4CORP.COM DELIVERING CONFIDENCE YOU CAN GROW WITH CONTENTS 01 OUR COMPANY 16 GEN 13 & 14 LIGHTING PANELS 02 igrow SERIES 18 idrive MOTOR CONTROLLERS 08 iponic SERIES 20 LINKCONN SOFTWARE 10 igrow / iponic CLOUD 22 SENSORS 12 idoser 26 MAINTENANCE 14 INTEGRATED CONTACTOR PANELS

LINK4 PRODUCTS // LINK4CORP.COM 1 Yen Pham - President, Link4 Corp In 2004, Link4 Corp. entered the greenhouse market with a line of advanced environmental control products designed to enhance productivity, energy efficiency and profitability. Each one of these next-generation products has been paired with Link4 s vision of old fashioned customer service: 24/7 in-house telephone support, internet support with the ability to perform assessments and repairs remotely, and the industry s finest sales and service team at your beck and call. The Link4 support staff has made the installation and programming a relatively painless process for us. I am pleased with the almost seamless transition from our old equipment to the new system. P.G., Louisiana Tech University, LA Today s growers are as concerned as ever with conserving resources while staying competitive in a challenging market. Link4 s state-of-the-art environmental management systems allow growers complete, customized control over water and energy usage, growing environment, labor costs, and productivity. By offering better and more advanced environmental management products to growers, Link4 is bringing the greenhouse and horticultural industries into the 21st century and beyond. Take the time to look through our catalog and envision the costreducing, profit-increasing possibilities our environmental management systems can bring to your agricultural business. Our staff of engineers and support personnel is ready to help you create and install your very own system. Now is the time to move your business into the future. Yen Pham President/CEO

2 LINK4 PRODUCTS // LINK4CORP.COM igrow 800 SERIES ENTRY LEVEL GREENHOUSE CONTROLLER SYSTEM Sensor Cloud Temperature Humidity LINKCONN Compatible THE igrow 800 SERIES Get real-time energy use and track run time on greenhouse heating and cooling equipment with this easy-to-use, entry level advanced controller system. The igrow 800 Series offers eight different ouputs for fans, heaters, vents, shade curtains, and other equipment. ¼ See how much energy your greenhouse is using and adjust to save money ¼ Discover which equipment uses the most energy ¼ Estimate your ROI ¼ Easily transfer data to your PC for analysis ¼ Fine-tune your growing environment to maximize crop yields PEACE OF MIND Get remote access - instantly! Whether you re 50 yards or 500 miles away, you can easily get instant access to your monitoring system via computer or cell phone. If conditions change in your greenhouses when you re away, you can make immediate adjustments and corrections from any distance. INCREASED PROFIT Track your energy usage and adjust to increase your profit. The igrow 800 Series line of controllers help you keep track of how much energy you re using and how much money you re spending on individual pieces of equipment. This advanced, built-in, set of data tracking software gives you the information you need to adjust energy use and increase crop growth. Tools such as LinkConn Software expand the capabilities of this versatile line of controllers to further save energy and increase your profit. REDUCE LABOR COSTS No more programming and reprogramming every crop cycle or season change with the igrow 800 Series USB data logging feature you can easily save settings to any USB flash drive. When the time comes to switch settings, simply insert your USB flash drive into your igrow data. These are some of the new and innovative ways Link4 has provided to reduce setup times and reduce your labor costs!

LINK4 PRODUCTS // LINK4CORP.COM 3 SERIES FEATURES default hardware & software configuration 8 Intelligently Controlled Outputs 8 Manual Override Switches 8 Analog Inputs 2 Digital Inputs 3 SetPoint Periods 1 Dehumidify Stage 1 Humidify Stage Field Upgradeable Through Firmware & Hardware Modules Outside Temperature / Wind Speed / Rain Detection Networking & Internet Connectivity SERIES FEATURES unique capabilities & extraordinary considerations Touch Interface with Backlit Display Onboard ROI Calculations and Equipment Runtime Save/Load Data onto USB Thumb Drive* Included Temperature Probe Communications Module for Networking 800 Series Integrated Panel Actual product may vary from photo. Prices and specifications subject to change without notice. Standard features Optional features Reference page 2 of the Link4 2017 Price List for pricing information Thumb drive sold separately ADVANCED CONTROL, AFFORDABLE PRICE No other control system can offer these advanced features at a similar affordable price. Ideal for small to medium greenhouse operations, this advanced controller is easy to install and operate, yet offers far more information and control than typical thermostats or overly complicated control systems. EASY TRANSITION Programmable controller offers integrated control for easy transitions to an advanced, yet simple-to-use system. They are ideal for small or large greenhouse retrofits or new installations. Optional communication module lets you link multiple greenhouses for control.

4 LINK4 PRODUCTS // LINK4CORP.COM igrow 1000 SERIES TOTAL CONTROL OF YOUR GREENHOUSE OPERATIONS Temperature Humidity Irrigation Fertigation LINKCONN Compatible THE igrow 1000 SERIES Whether you re looking to build, expand, or replace your current controller, the igrow 1000 Series controllers are the answer to optimizing your greenhouse operations. A compact and highly versatile controller designed to easily control any size greenhouse, the igrow 1000 Series controllers have advanced energy-saving features and programming capabilities that make them the perfect control solution for all of your greenhouse needs. This flagship product line from Link4 offers the very best in environmental controls and can be expanded incrementally as your needs expand. ADVANCED SOLUTIONS With the igrow 1000 Series controllers, you have total control of your greenhouse operations at your fingertips. The igrow 1000 Series controllers are capable of controlling all common greenhouse equipment types, including: HAF fans, cooling pads, heaters, louvers, vents, curtains, irrigation, bench, heat, HID lights, floor heat, microzones, pumps, and much more. Beyond the common greenhouse equipment types, the igrow 1800 Series offers the very best in precision environmental control with its EC and ph capabilities. With the igrow 1000 Series controllers you can get better control and better results for less cost. 2 IN 1 The igrow 1000 Series controllers offer two control solutions in one! Not only does the igrow 1000 Series offer a full range of environmental control solutions - it also includes a full featured irrigation controller built-in. This removes the need to purchase, install, and maintain a secondary irrigation controller to ultimately reduce your capital equipment costs, reduce your installation costs, and save you money. ULTIMATE CONTROL Link4 s LinkConn Software makes controlling your greenhouse easier than ever. Unlike large cumbersome PC interfaces, or very basic limited ones, LinkConn gives you total control over your growing operations in a format that makes sense to growers. The typical learning curve for LinkConn Software can be measured by minutes. The speed at which you can review greenhouse status and make detailed changes can be measured in seconds. The layout is so friendly that even when your aren t making changes often, it only takes a few minutes to find what you re looking for. Whether you have one or one hundred greenhouses, LinkConn manages them all the same easy way, and from one location.

LINK4 PRODUCTS // LINK4CORP.COM 5 igrow 1400 igrow 1800 SERIES FEATURES default hardware & software configuration 12 Relay Controlled Outputs 12 Manual Override Switches 8 Analog Inputs 11 Digital Inputs 4 SetPoint Periods 3 Dehumidify Stages 1 Humidify Stage 64 Maximum Zones 2 Dedicated Alarm Outputs Field Upgradeable Through Firmware Updates Networking Connectivity Internet Connectivity 1000 Series SERIES FEATURES unique capabilities Irrigation with Moisture Sensor* Included Digital Temperature and Humidity Sensor Built-in SmartCool Technology imod expansion module LinkConn greenhouse management software Actual product may vary from photo. Prices and specifications subject to change without notice. Standard features Optional features Thumb drive sold separately Only available for igrow 1800 BUILT TO LAST EASY TO EXPAND From the environmentally sealed NEMA4 enclosure to the simple wiring layout, the igrow 1000 Series controllers are built to last. Assembled from carefully chosen, and highly durable materials, the igrow 1000 Series controller components are designed to provide years of trouble-free operations through all sorts of wear-and-tear. Combined with Link4 s world class service and support, you can count on your igrow 1000 Series controllers for years to come. When your needs change, no controller is easier to expand than the igrow 1000 Series line of controllers. Whether you re adding new zones or just adding more outputs, expanding with the igrow 1000 Series of controllers typically requires just three simple steps: connect, configure, and restart. EASY TO USE igrow 1000 Series controllers are easy to install, easy to operate, and easy to maintain. With an emphasis on both flexibility and simplicity, the igrow 1000 Series controllers allow you to program and change input/output settings at any time. Once you have your hands on the igrow 1000 Series controllers you ll be amazed at how easy it is to use.

6 LINK4 PRODUCTS // LINK4CORP.COM igrow 1800 SERIES ADVANCED GREENHOUSE CONTROLLER SYSTEM Vapor Pressure Deficit Daily Light Integral Temperature Humidity Irrigation Fertigation Sensor Cloud Email/Text LINKCONN Notifications Compatible MAXIMUM YIELD - MINIMUM EFFORT Backed by unparalleled service and support, the igrow 1800 offers remarkable flexibility and security, as well as a wide variety of advanced features. The igrow 1800 offers the finest in outdoor greenhouse and indoor hydroponics experience. It provides remarkable flexibility and security, as well as a wide range of advanced features, backed by unprecedented service and support. Discover the benefits of a system that combines sophisticated precision control with ease of use through a simple interface. With the igrow 1800, you can increase productivity while reducing energy use and operating costs. Call us today and discover the smarter way to grow. WHY igrow 1800? ¼ Smart Irrigation The igrow 1800 uses a VPD (Vapor Pressure Deficit) feeding system. VPD saves nutrients by preventing over-watering and makes sure the plants always have as much water as they need. This is a unique benefit as it s designed to conserve water. ¼ Smart Lighting (Daily Light Integral) The igrow 1800 offers DLI intelligence. DLI intelligence controls your greenhouse s grown lights to give the exact amount of light needed for success. DLI intelligence conserves energy by using sunlight whenever possible. ¼ Save Time Mixing Nutrients The igrow s 1800 Fertigation system controls your garden s nutrients and ph levels. The feeding nutrients are automatically injected through the irrigation delivering system. Providing the plant what it needs for max yield, while greatly reducing manual labor. ¼ Custom Controls The igrow s 1800 conditional controls are flexible and user definable to control conditions to fit your unique growing requirements.

LINK4 PRODUCTS // LINK4CORP.COM 7 igrow SERIES COMPARISON CHART igrow 800 igrow 1400 igrow 1800 CONTROLLER FEATURES hardware & software equipment dexterity Max Number of 24VAC Intelligently Controlled Outputs 32 48 144 Maximum Zones per Network 64 64 Temperature & Humidity Manual Override Switches Networking and Internet Connectivity Capability Controller History and Data Logging OUTPUT TYPES equipment interface Lighting Controls On/Off Cooling and Heating Equipment Vents/Shades & Curtains Misting & Fogging CO 2 Cyclical Irrigation Accumulated Light Irrigation Intelligent Irrigation with Moisture Sensor Boiler Control SPECIAL FEATURES unique capabilities & extraordinary considerations Built-in SmartCool Predictive Cooling Technology Up to Five Configurable Micro-Zones Advanced Master Pump Control Options Fertigation - ph & EC Positive Pressure Control Daily Light Integral (DLI) Lighting Mode Vapor Pressure Deficit (VPD) Irrigation 8 Daily Set Points with Drive to Average REMOTE ACCESS system based software controls Email/ Text Notification for Alarm Conditions Smart Phone Access for Remote Changes to Settings PC Based Software Server Based, Database Driven Software Platform Advanced User Differentiated Access Control Software CONDITIONAL CONTROLS for customization of control sequences 0 8 128

8 LINK4 PRODUCTS // LINK4CORP.COM iponic SERIES ADVANCED CONTROLLER SYSTEM Light Temperature Humidity Sensor Cloud Email/Text LINKCONN Notifications Compatible USE YOUR CELL PHONE ¼ Setup in minutes! ¼ Receive text messages if something is not right ¼ Secured, encrypted server allows you to monitor and change settings remotely. ¼ Tor and Anonymity Online compatible ¼ Easily transfer data to your PC for analysis ¼ Fine-tune your growing environment to maximize crop yields PEACE OF MIND ¼ High temperature shut off to protect your crops ¼ Alarms for high/low temperature, humidity, and CO 2 via text message or e-mail ¼ UL and cul approved for safety & easy permits WHY iponic SERIES? ¼ Increase Yields, Crop after Crop ¼ Save Money with Lower Electricity Bill ¼ Lower Your Risk of Losing a Crop ¼ Make More Money from Your Crops ¼ Connects Directly to the Internet ¼ Free Remote Access SENSORS INCLUDED (DISM) ¼ CO 2 ¼ Temperature ¼ Humidity ¼ Light 2 ZONE CONTROLLER - EASY FLIP ¼ Everything you need to control two zones, with 2 sensors 1 for each zone. ¼ Zone 1 and Zone 2 can be completely, independently controlled ¼ Communication module is included

LINK4 PRODUCTS // LINK4CORP.COM 9 iponic COMMERCIAL When it comes to your climate, you should be in control. And that s exactly what the iponic Commercial allows you to do. This integrated contactor panel makes it easy to transition from the controllers and thermostats of the past and step boldly into the future where the climate can be finely tuned to your unique specifications. CONVENIENCE AT YOUR FINGERTIPS The iponic Commercial is designed for your convenience pre-mounted, pre-wired, and pre-tested. Pre-mounted means an easier and cheaper installation process with no need for separate boxes with conduits in between. Pre-wired means it works as soon as you take it out of the box. And pre-tested means we ve double and triple checked everything before it even arrives at your facility. THE COMPLETE PACKAGE All this is available at a lower cost than any other control system on the market. Plus, it s easy to operate and modify the controls, either on site or remotely. You can instantly access your controls from anywhere by downloading data wherever you have an internet connection. And it works 24/7 so you always know just what s going on, day or night. SENSORS INCLUDED ¼ CO 2 ¼ Temperature ¼ Humidity ¼ Light

10 LINK4 PRODUCTS // LINK4CORP.COM igrow/iponic CLOUD MANAGE YOUR OPERATIONS FROM ANYWHERE Graphing Real Time Monitoring Data Logging Remote Access Email/Text Notifications WHAT IS THE iponic CLOUD? Welcome to the cloud! This is where your iponic controllers are connected for easy, convenient remote management. In a few easy clicks, using Link4 s advanced technology, you and your hardware will be connected. Rest assured, the connection and database are completely secure. No unauthorized access will be granted. You can proceed with confidence. The Link4 s iponic cloud is a centralized internet database that all of your iponic controllers and many others out there are all connected to. By creating an account and using the provided security code on the controller, Link4 will unite the devices with their owner (you!) You will get a convenient interface to control your hardware as if you are right in front of it. Many important data are also being stored for historical analysis. Now you can go back and investigate the data to see why your crop s yield was so high this time around! Through the cloud, the device can also automatically send you notifications (emails/text messages) of unusual conditions (e.g. high temperature, low CO2 levels, etc.) With a centralized system like the Link4Cloud server, setup is a breeze. No data collected by the iponic Cloud is shared to a third party. Additionally, any location data we collect is anonymous and cannot be associated with a user account. WHAT CAN I DO WITH THE CLOUD? With your iponic Cloud Account you will receive a unique, protected, private account on our server. Once registered you will have the ability to add your controllers to your account. This is done using the unique serial number that was provided with the hardware you purchased. Your cloud account will give you an easy to use user interface to manage your hardware, data, and event notifications. Keep in mind that with the Link4Cloud your controllers do not have to all be located in the same

LINK4 PRODUCTS // LINK4CORP.COM 11 Actual product(s) may vary from photo(s). Prices and specifications subject to change without notice. physical location. They could be scattered all over the country and you can still manage them all from one place, either with your browser or, more likely, with your smart phone. Additionally, it comes with Link4 s highest level of customer support! With your permission, and only with your permission, we can assist you directly with any issues that you might have. You have the ability to let our support technician see what you are seeing in real-time! Of course, once the session is done, you are again the only person who can control your hardware. FREEDOM & CONTROL ¼ Text & Email Alerts ¼ Real Time Monitoring & Management ¼ Data Logging & Graphing ¼ Remote access where Internet is available ¼ Full compatibility with all smart phones and devices TECHNICAL REQUIREMENTS All you need is an Internet ready controller like the iponic600 Series AND the iponic Internet Communication Option. You will also need an Internet connection at the site. Connect the controller to the net and you are done! Unlike others, we don t require a local computer on-site to make this happen. Please refer to the installation instruction provided with your iponic Internet Communication Option. To try our iponic Demo visit: https://iponic.link4cloud.com/about/demo-cloud

12 LINK4 PRODUCTS // LINK4CORP.COM idoser AUTOMATIC DOSING & FERTIGATION SCHEDULING Vapor Pressure Deficit Recirculating System Batch Dosing (Drain to Waste) Email Notifications LINKCONN Compatible Gain total control of your dosing and irrigation needs from one centralized location, using Link4 s new idoser. Avoid the hassle of multiple system syncing, additional programming and system calibration. The idoser utilizes an easy-to-use scheduling interface to provide automatic dosing outside of irrigation times. FREEDOM & CONTROL The idoser offers built-in safety monitoring for the protection of your crops while providing accurate nutrient make-up for optimal performance. ¼ Select and customize your own alarms and triggers to ensure stabilized levels ¼ A continuous record of nutrient dosing activities are collected and available to alert the user of calibration needs or to check sensor accuracy ¼ Sensor maintenance time period schedulers are available to alert the user of calibration needs or to check sensor accuracy. ¼ On the off chance of a primary sensor failure, back-up sensors can immediately engage as the main sensor.l LOWER COSTS Full control over your entire dosing and nutrient system automatically minimizes manual labor costs and oversight time. WHY idoser? ¼ Optimize water management and nutrient levels from a single interface ¼ Integrated irrigation scheduling and nutrient dosing ¼ Safety monitoring, alarms, and a continuous record of nutrient dosing activities ¼ Easily monitor EC and ph for accurate plant nutrient status and water quality ¼ Improve costs, free up time, and gain full control of your nutrient solution for better yields

LINK4 PRODUCTS // LINK4CORP.COM 13 Peristaltic Pump System (Optional) Flow Cell & Manifold (Optional) EC/ Temp Sensor ph Sensor

14 LINK4 PRODUCTS // LINK4CORP.COM INTEGRATED CONTACTOR PANELS CUSTOM. SIMPLE. RELIABLE. WHAT IS AN INTEGRATED PANEL? To reduce instillation costs and facilitate easier instillations, Link4 has introduced a line of Integrated Contactor Panels for our full line of Environmental Controllers. When you purchase a Contactor Relay Panel you will receive a UL and cul approved contactor panel with a pre-mounted Link4 Environmental Controller. This eliminates the need of mounting two separate boxes with conduits in-between. CUSTOM CONTACTOR PANEL Link4 has created the perfect customizable solutions for managing a grow room s electrical system with their Custom Contactor Panels. There are several standard configurations to choose from or Link4 will custom-build your panel to specifically meet the needs of your garden. Every panel is UL508 rated and includes NEMA4 enclosures. Unlike other custom panels, Link4 s Custom Contactor Panels have a multitude of optional components, including integrated load center, cooling fans, integrated greenhouse controllers, integrated motor controls, and hands off auto (HOA) switches. These panels also include thermal overload protection when required. Link4 s truly customizable Contactor Panels are the most comprehensive contactor panel available to horticulturists. CUSTOM LOAD CENTER In order to ensure your equipment remains in its best and safest working conditions, Link4 s load centers are designed and manufactured to provide effective, reliable power/main breaking and circuit protection. ¼ Reliable overcurrent and surge protection ¼ NEMA compliant ¼ NEC compliant ¼ Commercial Applications

LINK4 PRODUCTS // LINK4CORP.COM 15 UL APPROVED PANEL The fully approved panel satisfies most local electrical inspection requirements for high voltage panels in the Untied States. Our panels also carry a full cul rating for Canadian instillations. You can be confident in your panel s integrity as long as it carries these industry standard ratings. PRE-MOUNTED To ensure that our panel retains the coveted UL approval and to keep installation costs to a minimum, the igrow integrated relay contactor panel comes pre-mounted with an igrow 1000 Series Environmental Controller. PRE-WIRED The best part about pre-mounting the igrow 1000 Series Environmental Controllers in-house is that we can make the wiring connections for you as well. With a pre-wired system, the Integrated Panel really works right out of the box. PRE-PROGRAMMED Finally, as with all Link4 products, the Eight Contactor Integrated Panel is programmed and thoroughly tested in-house before shipment. This ensure that every product that goes from our warehouse to your greenhouse is in proper working condition and ready for immediate implementation.

16 LINK4 PRODUCTS // LINK4CORP.COM GEN 13 & 14 LIGHTING PANELS ADVANCED & RELIABLE LIGHTING The right lighting is perhaps the most essential part of your growing operation. With the GEN 13 & GEN 14 Lighting Panel, you get ultimate of peace of mind and control over your lighting system. With safety features that work in conjunction with those you already have in place, you ll never have to worry about the lighting your crops are getting. SAFETY FIRST When controlling the lighting for your operation, safety is paramount. Of course, you ll have your own safety features in place already. But our lighting panels also include built-in sensors to detect abnormally high temperatures. If this is detected, the panel can automatically shut down the lights to protect your operation and your crops from a potential disaster. Plus, a fan is always working to actively cool everything down. EASE OF USE The GEN 13 & GEN 14 Lighting Panel has big, robust switches that make operation a breeze. You can easily see if lights are on or off, even when you re far away, with convenient indicators buttons. And a built-in time-delay means a hands-off approach for you that lowers the amount of startup power required, which also helps protects your equipment and lowers electricity costs. A PRODUCT YOU CAN TRUST This lighting panel is a high-quality product designed and manufactured in California. It s safe and officially recognized, which means permittance in the US and Canada is easy. It s also compatible with all controllers and timers on the market, so you don t have to worry about whether it ll fit into your existing system.

LINK4 PRODUCTS // LINK4CORP.COM 17 FEATURES ¼ Custom Grow Light Control Panels for HPS and LED ¼ Time Delays to manage current In-Rush ¼ Simple and effective interior and exterior lighting control from one location ¼ 100+ light jobs for any size panel ¼ Easy user interface using your Link4 igrow ¼ Compatible with AS-100 Automatic Control Switches for local override control ¼ Cost effective ¼ Customizable to ensure your advance lighting control needs are met GROWS WITH YOU This state of the art panel can grow as your operation does. It easily expands as needed with its unique daisy chain method for linking multiple panels for large operations. Its clever design can turn all lights on at once or split lights into different banks for more control.

18 LINK4 PRODUCTS // LINK4CORP.COM idrive MOTOR CONTROLLERS FULL-FEATURED MOTOR CONTROLLERS The idrive series of motor controllers are perhaps the most compact, powerful, and versatile line of motor controllers on the market today. Packed with smart features such as a 5 position manual override switch, motor reverse delay, and high quality components, the idrive series of motor controllers are capable of controlling nearly every type of vent and curtain motor out there. VERSATILITY BY DESIGN A simple and elegant solution for controlling your vents, curtains, 2 speed motors, and other motor applications, this unit was designed to be a versatile as possible. The idrive gives you the option of controlling your equipment in several different modes manual or automatic stand alone or connected to a thermostat or electronic controller. Additionally, several integrated safety features help protect your motor and greenhouse during installation and daily operation. EASY IMPLEMENTATION Not only does the idrive offer versatility and safety, it s simpler to install and is engineered to work the way you need it to. So whether you just want s simple manual switch to control a motor, or you have any common electronic controller, the idrive works equally well either way. And its compact design makes it easy to place in the greenhouse. With the idrive series of motor controllers, Link4 combined all the best feature on the market and then made the design even better with top quality components and smart engineering. The final result is the most advanced and well designed series of motor controller available today.

LINK4 PRODUCTS // LINK4CORP.COM 19 idrive 150AC (970-0010-00) idrive 150DC (972-2401-05) idrive 300 (970-XXYZ-AA) STANDARD FEATURES included in every idrive Motor Controller Works with any common thermostat Works with any common greenhouse controller UL and cul approved 2 second delay when reversing direction Mechanical interlock Limit switch input interface Easy to install and wire High grade components for long life LINE VOLTAGE INPUT compatible voltage inputs 3 wire single phase 3 wire three phase 5 wire single phase LINE VOLTAGE OUTPUT compatible motor voltages 120VAC 24VDCC Matches line voltage input UNIQUE FEATURES special capabilities Works with any common 120 volt AC motor Works with any common 24 volt DC motor Available in different voltages, 1 or 3 phase Built-in electronic overload protection Built-in thermal overload protection Actual product(s) may vary from photo(s). Prices and specifications subject to change without notice. Standard features Zero delay version available upon request idrive 150AC idrive 150DC idrive 300

20 LINK4 PRODUCTS // LINK4CORP.COM LINKCONN GREENHOUSE CONTROL SOFTWARE GREENHOUSE CONTROL SOFTWARE At Link4, we understand how overwhelming greenhouse control systems can be. We understand that growers are looking for fast and easy ways to take control over their garden s environment. This is why we developed LinkConn Software. LinkConn s smart layout saves time, makes it easy to optimize your growing conditions, allows total control over your equipment, and makes reviewing historical data simple. LinkConn is also simple to use and has a minimal learning curve, even for people new to horticulture. when using the igrow 1000 series controllers. The igrow 1000 series of controllers are self-operated and are not dependent on PC software to operate. The new LinkConn 100 software has been proven successful in applications requiring different zones, e.g. transplants and seed beds. In a traditional system that utilizes multiple zones even minor changes can be very labor intensive, but with Link4 s LinkConn 100 software growers can conveniently control all of their remote hardware through a single PC. All settings can be modified in groups; saving the grower time and reducing errors. LinkConn control software is a way to heighten a garden s efficiency while compiling important historical data, but it is not necessary

LINK4 PRODUCTS // LINK4CORP.COM 21 Actual product(s) may vary from photo(s). Prices and specifications subject to change without notice. MINIMUM SYSTEM REQUIREMENTS ¼ Windows XP or Windows 7 ¼ Pentium III or Newer ¼ Hard Disk Space 120GB

22 LINK4 PRODUCTS // LINK4CORP.COM LINK4 SENSORS Vapor Pressure Deficit Temperature Solar Light Sensor Humidity Sensor ADISM - Advanced Digital Integrated Sensor Module When you ve got a entire grow operation going, you can t be watching everything at once. But you can have a sensor that can. The ADISM sensor gives you complete peace of mind with a differential pressure to provide accurate readings for temperature, humidity, CO2, and solar light. Its intuitive programming makes it easy to set up and use on a day-to-day basis. Plus, it s compatible with Link4 s igrow 1000 series. FEATURES ¼ Quick disconnect & junction box ¼ VDP is available when combined with the Linkk4 s Temp Probe ¼ Temperature Sensor ¼ Humidity Sensor ¼ CO 2 Sensor ¼ Solar Light Sensor

LINK4 PRODUCTS // LINK4CORP.COM 23 Light Temperature Wind Speed Wind Direction Rain/Snow WEATHER STATION For accurate reading of weather conditions, Link4 s full-featured Weather Station is specifically designed to fit your igrow controllers. With the ability to detect the most minute changes in weather conditions to full-blown storms, Link4 s Weather Station is the perfect combination of sensitivity and durability. Encased in specially designed enclosures and radiation shields, the Link4 Weather Station is protected against solar radiation and reflected heat, ensuring the most accurate weather readings for your igrow controllers. All this means better crop yields, better crop protections, and lower energy costs. Link4 s Weather Station is a key component to your complete control solution. ANEMOMETER Protect your greenhouse plants and ventilation systems from damage with Link4 s Anemometer. Constructed of rugged materials, this wind speed and wind direction system is strong enough to withstand hurricane-force winds, yet sensitive enough to detect the lightest breeze. Hand-balanced for optimal stability and accuracy, this precision instrument is sealed with stainless steel ball bearings for a long life. SOLAR LIGHT SENSOR Link4 s Solar Light Sensor offers light sensing in the visible spectrum to control curtains, irrigation, lighting, and CO 2 for you to maximize your igrow s predictive control feature accuracy. Link4 s Solar Light Sensor is constructed from top grade materials and is designed for easy installation and long life.

24 LINK4 PRODUCTS // LINK4CORP.COM 1000 SERIES TEMPERATURE PROBE Link4 offers versatile stainless steel Temperature Probes specially designed to work with your igrow 1000 Series controllers. These fully sealed stainless steel Temperature Probes can be used many different ways in your greenhouse. Whether you re measuring bottom heat, a mixing valve system, soil temperature, or any other zone, these durable probes will do the job. The igrow 1000 Series Controllers can use up to 5 Temperature Probes in addition to indoor and outdoor Temperature Sensors. These rugged sensors are small and can be placed almost anywhere you need them in your greenhouse. EC / TEMP SENSOR In any hydroponic grow system, the health of your solution determines the health of your plants. But it s not enough to just guess about it. Link4 s EC sensor monitors your solution s electrical conductivity, so you always know if there s a change or a potential problem. It works with your existing Link4 idoser, so you don t have to worry about compatibility. It also has a convenient and portable design with smart sensors that simplify calibration. With a reliable performance and a one year limited warranty, you really can t afford not to have the EC Sensor as part of your grow operation. Regular Tip ph SENSOR - Regular & Flat Tip When it comes to your grow process, the water quality can make or break the entire system. Link4 s ph sensor helps you accurately keep track of your ph levels, constantly analyzing for changes that could affect your yield. Plus, it easily interfaces with your existing Link4 idoser for simplicity of use. Flat Tip Choose from regular and flat tip probes, depending on what best suits your operation. The durable body is guaranteed to last for up to a year with a lowmaintenance sealed gel design to prevent contamination.

LINK4 PRODUCTS // LINK4CORP.COM 25 DIGITAL TEMP & HUMIDITY SENSOR This innovative digital sensor integrates temperature and humidity into one single chip sensor with CMOSens Technology for superior quality. Housed within a protective shield that safeguards against radiation and reflected heat, the Digital Temperature & Humidity Sensor offers high precision for relative humidity and temperature readings. This unique design has no moving parts (which often get damaged), keeps power consumption low, gives fast response times of less than 4 seconds, and reports accurate readings at an affordable price. Digital Integrated Sensor Module (DISM) Provides sensing for CO 2,temperature, humidity and light to get the most out of your greenhouse operation. QUANTUM (PAR) LIGHT SENSOR If you want to know exactly how much light each of your plants are getting, look no further than the Par Light Sensor from Link4. Calibrated for sunlight, this self-powered sensor measures PPFD (Photosynthetic Photon Flux Density) in your greenhouse grow. Its quantum sensors can also measure PARs (Photosynthetically Active Radiation) in your aquaponics setup. Its rugged and self-cleaning design makes it a reliable and long-lasting addition to your grow setup. You ll never again have to wonder if your plants are getting the amount of light they need.

26 LINK4 PRODUCTS // LINK4CORP.COM MAINTENANCE PACKAGES WORRY FREE PROTECTION WITH A 100% RENEWAL RATE PACKAGES STERLING GOLD PLATINUM In Warranty Out of Warranty Extended Warranty Duration 1st Year Annually Annually Annually Email Support Ticket Yes Yes Yes Yes Yes Screen Sharing Support / Training Yes Yes Yes Yes Yes Phone Support (8am - 5pm PST) Yes Yes Yes Yes Yes Priority Access Medium Normal Medium High Highest After Hours Support Yes Yes Yes Yes Phone Training 1 Hour 1 Hour 4-1 Hour Sessions As Requested / Scheduled Replacement Hardware Cost & Fulfillment / Shipping Cost & Method Free Same Day / UPS Ground Parts or Repair Cost When Payment Received / UPS Ground Free Same Day / UPS Ground Free Same Day / UPS Next Day Free Same Day / UPS Next Day Firmware Upgrade Free Free Free Free Software Upgrade Free Free Free Free Site Visit Free - Annually Free- Quarterly Monitoring Service Free Free Emergency Response Phone (same day) Phone (next day) Phone (same day) Phone (within 4 hrs) CONTACT YOUR LINK4 SALES REPRESENTATIVE FOR SPARE PARTS KIT Phone (within 4 hrs) / In Person (Next Day)

DELIVERING CONFIDENCE THROUGH INTELLIGENT ENVIRONMENTAL CONTROLS AND AUTOMATION SOLUTIONS 175 E. Freedom Avenue, Anaheim, CA 92801 714.524.0004 866.755.5465 Fax: (714) 854-7244 www.link4corp.com Copyright 2017 Link4 Corporation. All Rights Reserved