RH & temperature display, Center 31


Hygro thermometer Center 31/RP-31  from Center Technology Corporation provides a more accurate and stable alternative to the low cost battery powered displays that are commonly available.

Downloads:   Data sheet 

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Stock comes from different warehouses, delivery may take 1-4 working days. If urgent check availability at toll free: 0800 323 327

3 in stock (can be backordered)

SKU: CE-31/RP-31 Category:



The unit can operate in alarm mode where a buzzer and display shows an alarm for high or low values, and / or in MAX / MIN where the high and low vales since reset are stored.

The unit can also display in Dew Point from -20 to 60ºC

  • Range RH from 0-100% and temperature -20 to 60ºC
  • Alarm buzzer and annunciation for high / low values
  • MAX/MIN function
  • Dimensions 140x105x26mm with 4 x AAA batteries for 1 year life
  • Standard with RP-31 sensor ±3% from 10-90%RH

The unit has readily replaceable  sensors : RP-32 with ±2% accuracy and RP-31 with ±3%  accuracy in the range of 10-90%RH.


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