Replace greenhouse thermostats with Bartlett Instrument's two zone    environmental controller, designed to be a low cost solution to maintaining    greenhouse temperatures automatically. This controller is feature packed; easy    to use and install; provides energy cost savings; reduces man-hours spent    monitoring greenhouse environments; and can be used to collect statistics for    graphical tracking.

  

The features include control of 2 heat steps, 2 HAF, and 4 cool steps; a timer    output for irrigation, misting or lights; DIF, DAY, and NITE settings; and an    alarm output.

Features of the GHK12X2 Greenhouse Controller:

Programmable for 1 or 2 zones

DIF, DAY, and NIGHT settings for each zone

4 COOL, and 2 HAF relay outputs source 24V AC

2 HEAT outputs are open/closed contacts or source 24V AC

Automatic or manual settings for each HEAT or COOL output

1 TIMER output for irrigation or lights

ALARM output (High Temperature, Low Temperature, Power Loss)

Vent Stage for dehumidification

Programmable delay for HEAT-COOL (COOL-HEAT) transitions

Statistics - min and max temperature, 7 days of averages for DIF, DAY, NITE and 24hr.

Override of temperature setting for temporary adjustment

24 hour clock and memory with battery back-up

Curtain/Vent Control available on models GHK12X2C and CH

Set Point Heat available on models GHK12X2H and CH

Remote control and programming with CIS (Computer Interface Software)