Wika GD10-F gas density transmitter 0 ... 10 to 0 ... 80 g/litre

gas density

The gas density transmitter is electronically compensated.   The compensation follows the nonlinear behavior of SF6   gas. The basic principle is the calculation following virial   equation. The gas density transmitter picks up the physical   variables pressure and temperature of the SF6 gas contained   in the device (tank). The current gas density is ascertained   from both variables by means of an electronic evaluation   system. Thermal induced pressure changes are dynamically   com-pensated and do not affect the output signal.

 

The gas density transmitter generates a density   proportional, standardized signal of 4 ... 20 mA.

 

A recalibration of the zero signal as well as maintenance   service will no longer be necessary due to the high long-term   stability of the gas density transmitter.

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