Datasheet

Relative Humidity and Temperature Probe HMP8

for pressurized processes

Vaisala HUMICAP® Humidity and Temperature Probe HMP8 is designed for pressurized applications in compressed air systems, refrigerant dryers, and other pressurized industrial applications where easy insertion and removal of the probe and adjustable installation depth into the pipeline are needed. The HMP8 is part of the Indigo product family and compatible with Indigo500 and Indigo200 series transmitters and free Insight PC Software.

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Features

RH accuracy up to 0.8 %RH, Temperature accuracy up to 0.1 °C (0.18 °F)

Temperature measurement range -70 ... +180 °C (-94 ... +356 °F)

Sensor purge provides superior chemical resistance

Probe installation depth can be freely adjusted and probe can be hot-swapped from pressurized pipelines with an installation valve

Modbus RTU over RS-485

Plug & play compatible with Indigo™ series of transmitters

Traceable calibration certificate: 5 points for humidity, 1 point for temperature

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Key Benefits

Proven Vaisala HUMICAP performance

Vaisala is the original innovator of the thin-film capacitive humidity measurement technology, which has now become the industry standard in humidity measurement.

Chemical purge minimizes effects of contaminants

In environments with high concentrations of chemicals and cleaning agents, the chemical purge option helps to maintain measurement accuracy between calibration intervals.

Flexible connectivity

The probe is plug and play compatible with Vaisala Indigo series transmitters, can be used as a standalone digital Modbus RTU transmitter, or connected to Vaisala Insight™ PC Software.

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