Instrumental in all you do
Our greenhouse controllers are designed for small and medium businesses, as well as individual growers. Read on for a testimonial from a grower who has been using our controllers for years... Our ...
The most basic model we make, designed for a traditional house with heats, fans & louvers!
Have full control of your greenhouse in the palm of your hand using the Headgrower mobile app!
A great controller for houses that use roofs and/or sidewalls for cooling, but no fans!
24VDC power supply for two 5A motors for roll up/down walls
Includes Host Radio for computer connection, Range Test Board for signal testing, and Bartlett Instrument CIS software for monitoring and programming up to 50 greenhouses
Install the In-Controller Radio to monitor your Bartlett greenhouse controllers wirelessly. (Required Radio Link Host unit not included)
Includes Weather Alarm model WR, Anemometer, Optical Rain Sensor, and Transformer
The basic GHK model, with an additional output for a rollup side or curtain!
The basic GHK model, with an additional output for an independently controlled setpoint - perfect for use with bench heat!
A basic GHK, but with additional outputs for one side wall or curtain and for an independently controlled heat
Our "combo" package - controller & relay box for traditional heat/fan/louver house!
A great controller for natural ventilation houses that use roofs and/or sidewalls for cooling, but no fans!
The "combo" package for an open roof house - controller & relay box all-in-one!
The "combo" package for an open roof house - controller & relay box all-in-one with additional controls for horizontal airflow fans!
24VDC power supply for two 10A motors for roll up/down walls
A relay box for interfacing between a Bartlett controller and 120 VAC vent motors with limit switch connection.
A relay box for interfacing between a Bartlett controller and 120 VAC vent motors with limit switch connection and inflation motor control.
Connect multiple controllers in close proximity to the wireless communication system, C.I.S. to monitor and control your controllers. (Extension Kits are required for each controller)
Connect multiple controllers to the Radio Link Base Unit with the Radio Link Extension Kit.
Monitor and control your Bartlett greenhouse controllers from your personal computer
Connect multiple controllers to your C.I.S. USB for control and monitoring using the C.I.S. 2015 software
Monitor the humidity levels of your greenhouse with our Humidity Sensor.
Temperature sensor for GHK or RWL series controllers
Replacement whip antenna for all radio communication products.
The "combo" package for an open roof house - controller & relay box all-in-one with an additional control for horizontal airflow fans.