Doc. Name: NMC-PRO
Installation Manual Revision: 2 Page: 11
Crop Management Technologies
UMeasuring Box, Water Temperature, and CO
2
Sensors and Wiring (Analog Input)
Analog Sensors Measured Values Input Range Sensor Power Supply
Measuring
Box
Air Temperature -20° to +50°C/ -4° to +122° F 30kOhm Not applicable
Relative Humidity 0 – 100% 0 – 3 VDC 12 VDC
Water Temperature 0° to +150°C/ 0° to +302° F 30kOhm Not applicable
CO
2
Sensor – EE82
*NOTE: Each sensor must have an
external power supply.
0 – 5000 ppm 4 – 20mA 15-30 VDC
Measuring Box
Sensor
Water Temperature Sensor
CO
2
Sensor – EE82
COM
INPUT 2 jumper must be
located on 0-5 for Relative
Humidity Sensor (Measuring
Box
+12V
Measuring Box
INPUT 1
INPUT 1 jumper must be
located on TEMP for
Temperature Sensor
(Measuring Box)
24VAC
supply)
INPUT 3 jumper must be
located on TEMP for WATER
Temperature Sensor
located on 4-20mA for CO
2
Sensor
COM
INPUT 4
15-30VDC*
0 VDC*
* External power supply
INPUT 2
INPUT 3
COM