




Vaisala DPT146 | Dew Point & Pressure Transmitter
The Vaisala DPT146 is a dual-purpose pressure and dew point transmitter. The Vaisala DPT146 is a straightforward, integrated measurement device that lowers installation costs because it was created especially with compressed air applications in mind. Furthermore, calibration can be spot checked against a Vaisala DM70 Portable Dewpoint Meter, simplifying ongoing maintenance. Additionally, the DM70 can be utilized as a data recorder and local display. RS-485 communications can be used to measure temperature in addition to dewpoint and pressure.

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- Specifications
- Features
- Downloads
Dew Point | -70 ¦ +30 °C (accuracy within +/-2°C) |
PRESSURE | 1 ¦ 12 barA |
Temperature Range | 40¦+80°C |
Vaisala DPT146 Dew Point & Pressure Transmitter
- 24Vdc supply with 2x analogue output channels (typically dew point and pressure)
- Analogue outputs can be mA (usually 4-20mA) or 0-5v / 0-10v
- Compact design, full length including sensor probe approx 120-130mm x 33mm DIA
- 316SS construction with various threaded process connection options
- Operating environment -40…+60°C, 0-100% RH (storage up to +80C), IP66 design
- Combined dew point and temperature measurement
- Highly accurate RH information thanks to dew point data coupled with live pressure input
- Compatible with the Vaisala Hand-Held DM70 for spot-checking, local display and data logging
- Pressure range: 1 … 12 barA
- Dew point range: -70 … +30 °C (accuracy within ±2°C)
- Temperature range (via RS-485 is selected) -40…+80°C (accuracy within ±0.5°C at room ambient)
- Supply and signal connection via M8 4-pin circular plug (cable assemblies available from Fluidic)
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