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DOC 225-RHP-2Sxx UM 20210113

 

225-RHP-2Sxx 

User Manual 

 
 

 

 

 

 

225-RHP-2S11 (4-20 mA output) 

225-RHP-2S33 (0-5 V output) 

Temperature and Relative Humidity Transmitter 

 

 

 

225-RHP-2Sxx Transmitter 

with 

380-RHRS Solar Radiation Shield 

 

 

Phone

 (530) 823-7185 

Email

 

[email protected]

   

Website

 www.novalynx.com 

Summary of Contents for 225-RHP-2S Series

Page 1: ...User Manual 225 RHP 2S11 4 20 mA output 225 RHP 2S33 0 5 V output Temperature and Relative Humidity Transmitter 225 RHP 2Sxx Transmitter with 380 RHRS Solar Radiation Shield Phone 530 823 7185 Email n...

Page 2: ...e items If packing facilities are not available take the equipment to the nearest Post Office UPS or other freight service and obtain assistance with the packaging Please write the RA on the outside o...

Page 3: ...NSTALLATION 5 5 1 Outdoors 5 5 2 Indoors 5 5 3 Duct Mount 5 6 WIRING 6 6 1 Dual 4 20 mA Output Wiring Model 225 RHP 2S11 6 6 2 Dual 0 5 V Output Wiring Model 225 RHP 2S33 6 7 TROUBLESHOOTING 7 7 1 Tro...

Page 4: ...tion shield NovaLynx 380 RHRS protects the sensor from rain and radiated heat when installed outdoors The weatherproof enclosure cord grip cable entry point and a filter protect the electronics and se...

Page 5: ...st 5 3 Duct Mount The tip of the probe is sometimes inserted into an HVAC duct In this application drill a 1 diameter hole in the duct at the desired location away from fans corners heating and coolin...

Page 6: ...The channels are common on the positive side of the current loop Sensor excitation power is derived from the RH channel so power must always be applied to that channel If the temperature channel is n...

Page 7: ...emains within these limits under all power line conditions Ripple on the supply should not exceed 100 mV Loop Resistance The maximum allowable loop resistance depends on the power supply voltage Maxim...

Page 8: ...the humidity sensor while watching for a change in the meter reading The change may take 10 to 40 seconds To increase the temperature reading hold the probe in your hand for several seconds If no chan...

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