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3.0 Connection Diagrams
SRH200 - Analog volts
SRH200 - Analog milliamps
SRH200 - Digital
Bus termination resistor 120 Ω (jumper)
DO NOT CONNECT!
1.0 General information
The Setra Systems Model SRH200 transmitter, available for wall or duct mounting, is designed
for the measurement of humidity and temperature in HVAC applications.
For use in special applications, please contact Setra Systems.
2.0 Caution
• For accurate measurement, it is essential that the temperature of the sensing probe and the
sensing head is same as the temperature of the air to measure. Avoid mounting the SRH200
transmitter in a way which creates temperature gradients along the probe.
• The transmitter and the sensing head should not be exposed to extreme mechanical stress.
•
The transmitter must be operated with the filter cap on at all times. DO NOT touch the
sensors inside the sensing head.
