Relative Humidity Sensor and Transmitter

This relative humidity transmitter complete with sensor continuously measures humidity and provides a 4-20mA output signal over the range of the sensor. The transmitter is housed in a sturdy Macrolon box rated to IP67. There are three styles of mounting. Wall mounted, duct mounted (using a compression fitting) or wall mounted with remote sensor. A dust filter is available as an option.
  • Probe dimensions:
    Wall mounted, 135mm long x 14mm diameter
    Duct mounted, 135mm long x 14mm diameter (mounting flange and gland required)
    Remote mounted, via 2 mtr leads to 135mm or 335mm long x 14mm diameter probe
  • Measuring range: 5% to 98%
  • Accuracy: ±2% RH in temp range of 10ºC to +80ºC
  • Output: 4mA = 0% RH, 20mA = 100% RH
  • Response: (63% of full value) without filter 6 seconds, with filter 3 minutes
  • Power supply required: 16V to 40V DC
  • Ambient operating temp: Sensor -20ºC to +80ºC, Electronics -5ºC to 50ºC
  • Junction box dimensions: 80 x 84 x 44mm (HxWxD)
The following types are available:

Relative Humidity Sensor & Transmitter 5% to 98% RH

Order Code Description 1 - 4 5 - 9 10+ Buy
715-061 Wall Mounted Humidity Transmitter £355.00 £333.00 £312.00 Add
715-067 Duct Mounted Humidity Transmitter £381.00 £359.00 £336.00 Add
715-073 Remote Humidity Transmitter - 135mm probe with 2 mtr leads £419.00 £395.00 £369.00 Add
715-079 Remote Humidity Transmitter - 335mm probe with 2 mtr leads £448.00 £421.00 £393.00 Add
715-089 Duct Mounting Flange £79.00 £74.00 £69.00 Add
715-100 PG16 Gland for duct or remote mounting £20.50 £18.90 £17.50 Add