HMP9 Compact Humidity and Temperature Probe - Vaisala Online Store

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HMP9 Compact Humidity and Temperature Probe

HMP9 is a general purpose Relative Humidity and Temperature probe, with 5 mm (0.2 in) diameter miniature probe head. Despite the small footprint, the probe head contains a HUMICAP® sensor that provides its industry standard humidity measurement performance. HMP9 has great stability, fast response time, and low hysteresis in a wide range of applications, where accuracy and fast stabilization of the measurement are important.

In environments with high concentrations of chemicals and cleaning agents, the chemical purge option helps to maintain measurement accuracy between calibration intervals. The chemical purge involves heating the sensor to remove harmful chemicals. The function can be initiated manually or programmed to occur at set intervals.

The probe is compatible with INDIGO range transmitters, or can be used as a stand-alone Modbus RTU transmitter.

The probe can be installed in ducts or channels. Installation accessories for installing the probe through 0.5 .. 2mm sheet metal, or in M10x1.5 tapped hole are included.

The probe is suitable for continuous temperatures in range of -40..+120 °C.

Process connection: M12/5 (MA) connector.

HMP9 Compact Humidity and Temperature Probe
HMP9 Compact Humidity and Temperature Probe
Standard delivery time for single unit: 1 week
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Warranty: 24 months
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Part no. HMP9

Quantity Price
890 € + VAT

Detailed information

Measurement parameter(s)Relative Humidity
Measurement range0..100 %RH
Measurement accuracy+/- 0.8 %RH
Operating temperature-40..+120 °C, for probe body -40.. +60 °C
Operating pressureNon-pressurized
Operating voltage15..30 VDC
Digital outputsModbus RTU (RS-485)
Housing classificationIP65
Links See full specifications on

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