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Multiparameter Transmitter for SF6 Gas


The Vaisala Multiparameter Transmitter DPT145 for SF6 Gas is a unique innovation that enables online measurement of dew point, pressure, and temperature. It also calculates four other values, including SF6 density. The DPT145 is especially well suited for integration into OEM systems.

DPT145 Overview

- First transmitter to offer online measurement of seven SF6 parameters in one unit

- Measured parameters: dew point, pressure, temperature

- Calculated parameters: SF6 density, normalized pressure, dew point in atmospheric pressure, ppm

- Saves time and money across the board, from investment and installation to operation and servicing

- More reliable assessment of the condition of SF6 insulation due to online measurement

- Long calibration interval of years

Technical Specs

Model DPT145
Fixed / Portable Fixed
Tolerance Maximum temperature: 60 deg C
Maximum pressure: 50 bar
Measurement Range -60 to 30 deg C Td, 1 to 10 bar, -40 to 80 deg C
Accuracy +-3 deg C Td
Output 4-20mA

Data sheet

CatalogueProduct Selection Form



See also
Dewpoint Transmitter for Low Dewpoint
The recently updated DTM152 is designed for measuring low dew point in OEM applications, even down to -80 °C.


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