For high-precision online monitoring of the gas density, temperature, pressure and humidity of SF6 gas in internal and external systems of SF6 gas-insulated equipment, WIKA gas density sensors are exceptionally suited. The instruments are notable for their high-accuracy sensor technology which guarantees very good long-term stability and EMC characteristics.

Optionally, there are hybrid solutions available which combine gas density transmitters with conventional gas density monitors with switch contacts.

Sales contact

WIKA Instruments Ltd.

+44 1737 644008
+44 1737 644403


Can a gas density sensor be damaged if connected incorrectly?

Interchanging the +/- connections cannot damage the instrument, since the connection pins for the voltage supply are protected against reverse polarity.

Why would the gas density sensor not provide plausible values, even after two days?

If the gas density sensor does not provide plausible readings, even after two days, it is recommended that you check the installation. The sensor should be installed as close to the gas compartment as possible and should be in contact with the gas over a large area ... More

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