Introduction of a wireless gas density sensor that can be integrated into IIoT systems.

WIKA supports the digitalization of gas-insulated switchgear with its new gas density sensor: GD-20-W. The wireless device, which incorporates a battery and wireless module, enables easy integration into IIoT environments.
This sensor transmits measurements of gas density, temperature, and pressure via the LoRaWAN network protocol. It also features an alarm function for the three parameters and the battery status. The alarm function notifies when a threshold value is reached, regardless of the set transmission cycle.
The compact wireless device GD-20-W is particularly suitable for retrofitting existing equipment that uses SF6 gas or alternative insulating gases. It requires no installation or maintenance effort. The battery life is over 10 years, depending on the measurement and transmission rate. The sensor calculates gas density from pressure and temperature values, measuring pressure at 20°C with an accuracy of ±0.2%. This device continuously monitors gas density, allowing for maintenance of assets as needed.

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This is a wireless gas density sensor with a built-in battery and wireless module.