Gretstone Room Humidity Transmitter RH100B Series

Gretstone Room Humidity Transmitter RH100B Series

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Greystone Room Humidity Transmitter RH100B

Greystone Humidity Sensor RH100B Specification

Sensor Type

Thermoset Polymer based capacitive

Accuracy at 25°C

±2, 3, or 5% RH, (5% to 95% RH)

Measurement Range

0 to 100% RH

Temperature Dependence

±0.05% RH/ °C


±1.5% RH maximum


±0.5% RH typical


±0.5% RH typical

Sensor Response Time

15 seconds typical


±1% RH typical at 50% RH in 5 yrs.

Operating Temperature

0° to 70°C (32° to 148°F)

Operating Humidity

0 to 95% RH non-condensing

Power Supply

18 to 35 Vdc, 15 to 26 Vac


22 mA maximum

Input Voltage Effect

Negligible over specified operating range

Protection Circuitry

Reverse voltage protected and output limited

Output Signal 

4-20 mA current loop, 0-5 or 0-10 Vdc (jumper-selectable)

Output Drive at 24 Vdc550 Ω max for current output 10K Ω min for voltage output
Dimensions70x114x30mm, (2.75”w x 4.5”h x 1.2”d)