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.

Retired products cannot be ordered

The Michell Instruments HygroSmart WM Series RH Transmitter is the recommended replacement

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Manufactured

By Michell Instruments

Includes

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FREE Lifetime Tech Support

Product Specs

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.