The Vaisala HMP9 Compact Humidity and Temperature Probe is a compact humidity and temperature measurement probe for industrial environments where conditions can change quickly and installation space is limited.
With a 5mm probe head, the HMP9 supports measurement in tight spaces and can be used for duct and chamber installations with an available duct installation kit.
As part of the Indigo Family, the HMP9 is suited for humidity measurement applications under 120°C (248°F) that do not involve high pressure or long exposure to condensing conditions.
It can be paired with Vaisala Indigo series transmitters or used as a standalone digital Modbus RTU transmitter over an RS-485 serial bus.
Key Characteristics
- Compact 5mm probe head for installation in tight spaces
- Designed for rapidly changing humidity and temperature environments
- HUMICAP® sensor technology for humidity measurement
- Available chemical purge option for environments with high concentrations of chemicals or cleaning agents
- Compatible with Indigo500, Indigo300, and Indigo200 series transmitters
- Can connect with Insight PC Software for configuration, field calibration access, and device analytics
Ideal Applications
- Dryer inlet monitoring
- Air handling units
- Data centers
- Duct installations
- Chamber installations
- Industrial humidity measurement applications below 120°C (248°F) without high pressure or extended condensing exposure
Product Family Includes
- Vaisala HMP9 Compact Humidity and Temperature Probe
- 5mm diameter probe head with HUMICAP® sensor
- Duct installation kit availability for duct and chamber installations
- Indigo500, Indigo300, and Indigo200 transmitter compatibility
- Standalone digital Modbus RTU use over RS-485 serial bus
- Insight PC Software compatibility for configuration and field service access
Industries Served
- Industrial Manufacturing and Process Facilities
- HVAC, Air Handling, and Building Systems
- Data Centers and Mission-critical Facilities
- Environmental Test Chamber and Product Testing Environments
- Dryer Equipment, OEM Systems, and Process Equipment Manufacturers
- General Industrial Facilities
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