Apps
Gas density monitoring of closed SF6 tanks
Suitable for indoor and outdoor applications, can be installed in SF6 GIS equipment

Features
Improved Bourdon tube pressure gauge with gas density transmitter (mounted on the external interface of the housing)
Field readings with alarm contacts
Remote reading (output signal is 4 … 20 mA 2-wire system), measuring range from 0 ... 10 g / L to 0 ... 80 g / L
EMI (anti-electromagnetic interference) performance, air tightness in line with CE standards, instrument performance is not affected by atmospheric pressure fluctuations and altitude changes

Description - Gas Density Transmitter
233.52.100 The TA model is equipped with a gas density transmitter next to the pressure interface of the gas density relay, which can be used as a full-featured standard GD-10 gas density transmitter. In addition, the combined gas density relay and gas density transmitter can be connected to the tank through the same interface to measure the gas density in the tank. The Wika GD-10 L transmitter (with L-shaped plug connection) is shown below, but the user can also choose GD-10 C type (with connecting cable) or GD-10 F type (with solid housing) depending on the application. ) Transmitter.
gas density transmitter can electronically compensate the nonlinear state change of SF6 gas according to the Villi equation, so that the state change of SF6 gas conforms to the actual gas state equation, thus achieving the highest accuracy and the best. Temperature compensation. However, only gas density transmitters have the above features.
Gas density transmitter can collect the pressure and temperature of SF6 gas in the tank.
Then use an electronic evaluation system to use these two variables to determine the current gas density. The system dynamically compensates for changes in the thermal sensing pressure so that it does not affect the output signal.
Gas density transmitter produces a 4...20 mA standard signal proportional to gas density (2-wire system) with a measurement range of 0 ... 10 g/L to 0 ...80 g/L.
Gas density transmitters have high long-term stability and do not require recalibration of the zero signal. The hermetic sealed measuring unit uses closed welding to ensure good sealing for a long period of time, not only to prevent leakage of the instrument, but also to ensure that the performance of the instrument is not affected by atmospheric pressure fluctuations and installation height.
The EMI (anti-electromagnetic interference) performance of the transmitter is tested according to IEC 61000-4-2 to IEC 61000-4-6, which ensures safe signal acquisition, especially for high voltage switchgear .