Michell Instruments WM281 RH & Temperature Transmitter

Digital relative humidity & temperature transmitter, wall mount, 0 to 100% RH range, 30 to +70°C (-22 to +158°F) measuring temp range.

Features

  • Relative humidity range: 0 to 100% RH
  • RH accuarcy at 23°C (73°F): less than ±2% RH (5-95% RH)
  • Measuring temp range: -30 to 70°C (-22 to 158°F)
  • temp accuracy: ±0.4°C (±0.72°F)
  • Based on the interchangeable Hygrosmart module
  • Analog output signals selectable through software
  • Metric or US measurement units selectable through software
  • Aluminum die cast housing
  • Delrin probe
  • IP67 ingress protection

The Michell Instruments WM281 Humidity & Temperature Transmitter includes the interchangeable Hygrosmart module. The interchangeable module lets you recalibrate the transmitter simply by replacing the sensor head with the Hygrosmart module. As a result, maintenance costs are greatly reduced and down-time is minimized.

The WM281 has a relative humidity range of 0 to 100% RH with an accuracy of less than ±2% RH (5-95% RH). The measuring temperature range is -30 to 70°C (-22 to 158°F) with and accuracy of ±0.4°C (±0.72°F). The WM281 is protected with IP67 ingress protection. The housing is made of aluminum die casting and the probe is made of Delrin.