Vaisala Humidity and Temperature Meter Series HMT330
Humidity and Temperature Meter Series HMT330 for Demanding Humidity Measurement
Measure humidity in harsh environments with the instrument you can depend on. The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 with 10-year warranty* is designed for demanding industrial applications where stable measurements and extensive customization are essential.
Looking for HMT330 performance with interchangeable probes and a transmitter supporting two probes? View Indigo family.
View video on how to replace the HMT330 with the Indigo 520.
There are six models to choose from:
- HMT331 for wall mounting
- HMT333 for duct mounting and tight spaces, see also HMP3 and HMP9
- HMT334 for high pressures up to 100 bar and vacuum conditions, see also HMP4
- HMT335 for high temperatures, see also HMP5
- HMT337 for high humidity and meteorological applications, see also HMP7
- HMT338 for pressurized pipelines up to 40 bar, see also HMP8
The instrument can be quickly tailored to meet the specific needs of each individual application and is pre-configured for each delivery.
Features
- Full 0 … 100 %RH measurement, temperature range up to +180 °C (+356 °F) depending on model
- Pressure tolerance up to 100 bar depending on model
- Excellent performance in harsh conditions; good chemical tolerance
- Corrosion-resistant IP65/IP66 housing
- Traceable calibration for measurement and analog outputs (certificates included)
- RS232/485/422 LAN
- Modbus protocol support (RTU/ TCP)
- Optional graphical display and keypad for convenient operation
Key Benefits
Flexible Connectivity
The probe is plug and play compatible with Vaisala Indigo™ series of transmitters, or it can be used as a standalone digital Modbus RTU transmitter over RS-485 serial bus.
Part of Vaisala Indigo™ Product Family
Indigo host devices offer a variety of connectivity options through analog signals or digital outputs, configurable relays, and wireless (WLAN) configuration interface.
Relative Humidity Measurements in High Humidities
When the TMP1 probe is connected to a control system with HMP7, it is possible to have relative humidity measurement in actual process temperature while using probe heating in the relative humidity probe HMP7.
