Chatsworth Products Remote Infrastructure Management (RIM-1000) User Manual
Page 179
Remote Infrastructure Management System - Version 1.0 / July 2014
Chatsworth Products, Inc. (CPI) • 800-834-4969
179
A P P E N D I X
C
ANALOG INPUT 4-20
M
A REFERENCE CHART
Analog 4-20Ma Gain/Offset Conversion Formula:
Gain = Sensor Range (High Value - Low Value) / 4
Offset = Sensor Low Value - Gain
Example: P/N 60111-004 Humidity
Gain = (High Value (100) -Low Value (0)) / 4 = 25
Offset = (Sensor Low Value (0) - Gain (25)) = -25
Table C.1 Analog Input 4-20mA Reference Chart
Product #
Transducer Type
Range
Gain
Offset
60111-004
Temperature (Display in Deg F)
32°F - 120°F
22
10
Temperature (Display in Deg C)
0°C - 48.8°C
12.2
-12.2
Humidity
0% - 100% RH
25
-25
60111-001
Temperature (Display in Deg F)
32°F - 122°F
22
10
Temperature (Display in Deg C)
0°C - 48.8°C
12.2
-12.2
Current
CT55
Current
0 - 5 Amps
1
-1
0 - 55 Amps
13
-13
CT20
Current
0 - 30 Amps
7
-7
0 - 60 Amps
15
-15
0 - 120 Amps
30
-30
CT200
Current
0 - 20 Amps
5
-5
0 - 200 Amps
50
-50
CT300
Current
0 - 100 Amps
25
-25
0 - 300 Amps
75
-75