CONTROLS | BARTLETT INSTRUMENTS Greenhouse Temperature Controls
Bartlett Instruments environmental controllers coordinate operation of heating and ventilation systems to improve energy efficiency and crop quality. All models feature DIF; day and night settings; multiple heating and cooling cycles; 1 or 2 zone operation; vent cycle for dehumidification; timer output which could be used for irrigation, misting, or light; alarm signals; and more.
GHK Models for Louver/Fan Houses • 2-zone controller DIF, DAY and NIGHT settings
• Each zone has; one heat output, two cool outputs, and one HAF (horizontal air-flow) output
• Collects statistics for graphical tracking
RWL11X2 Model for Natural Ventilation Houses with Roof Vents • DIF, DAY and NITE stages for better crop management
• 2 Heats & 2 Time-Proportional Outputs • Proportional outputs open & close in 5 steps with an optional manual override
• Can control single zone or two separate zones
VSmart Vent Controller For use with 24V DC Motors
r NEW!
Automate your roof or side vents with an economical VSmart Vent Controller. • Operates 24V DC motors • Adjustable for slow or quick vents • Temperature driven: ºF or ºC units • Manual override • 4-button panel • Variety of models available • Accurate and easy to use
CIS™ (Computer Interface System) Ties it all together for command and control from your computer.
• Connect up to 50 controllers to one personal computer. • Programming and monitoring of the greenhouse can be done remotely.
• Data can be collected and stored for graphing.
CIS is a package of computer software and hardware used to connect multiple Bartlett greenhouse controllers to a personal computer. It provides an easy-to-use interface for programming the controllers and monitoring the greenhouse conditions. The status screen of the software will show the current settings and conditions for each greenhouse. Information can also be collected in a file for later viewing or graphing. By using a third- party remote control software, the greenhouses can also be monitored off-site.
Item # Model
GHK Models – For use in houses with louvers and fans 34-0550 GHK12X2
2 4
34-0551 GHK12X2C 2 4 1 34-0552 GHK12X2H 2 4
34-0553 GHK12x2CH 2 4 1 2 2
Price/ Each
$450.00 $500.00
1 $500.00 1 $550.00
RWL Model – For use in houses with roof vents and side walls 34-0554 RWL11X2
Wind Rain Alarm
Wind and rain allows the WR to adjust curtain/roof vents to the current weather. This alarm has a sensor for three levels of rain as well as average wind speeds • Programmable wind activate and drop- out set point and delay
• Three levels of rain sensor sensitivity • Retains wind/rain alarm and maximum wind speed
Easy-Wire Models Combine GHK12X2 or RWL11X2 with
an easy to connect relay box. Easy-Wire uses 2 heating steps to control 2 unit heaters and controls a variety of cooling equipment. Plus, all Easy-Wires have DIF, day and night stages, a dehumidi- fication vent cycle, an alarm and more! The relay box has 30 amp relays and an easy connection terminal strip.
64 CIS statistics screen sample.
www.bartinst.com CIS status screen sample. CIS main screen sample. $450.00
RS485/RS232 Converter
Computer
Greenhouse 1
Greenhouse 2
Greenhouse 50
Modular Panel Connectors
Prices and availability may vary by location. Prices are subject to change without notice. Minimum quantities may apply
Prices and availability may vary by location. Prices are subject to change without notice. Minimum quantities may apply.
EQUIPMENT
BFG Supply Co. (800) 883-0234 | Toll Free Fax: (800) 645-6126 |
www.bfgsupply.com
HEAT Steps COOL Steps
Curtain Vent Proportional Output
Setpoint Heat
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