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Gas Detectors - EC22 / EC22 D

GfG Gesellschaft für Gerätebau mbH

Diffusion measuring gas supply
2.2 graphic display
3 function buttons (display version only)

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The EC22 / EC22 D is an electrochemical (EC) gas sensor with a diffusion measuring gas supply. It offers a measuring range dependent on the sensor, with an update time of 1 second and a readiness delay of 5 seconds plus a 20-90 second sensor run-in phase. It operates on a 24V DC power supply with an allowable range of 12-30V DC. The device features a 2.2 graphic display, 3 function buttons, and an AutoCal button for ZERO and SPAN adjustment. It has a protection class of IP54 and is made of plastic. The dimensions are 96 x 123 x 49 mm with a sensor, and the weight ranges from 120-150g to 170-195g depending on the version. It is approved for electromagnetic compatibility (DIN EN 50270:2015) and is suitable for various applications requiring precise gas measurement.

Use Cases

Typically used in hydrogen and related industrial applications

Capabilities

Continuous gas concentration measurement using electrochemical sensors with diffusion-based gas supply
Provides analog current outputs (4–20 mA or 0.2–1 mA) for integration with control and monitoring systems
Supports digital communication via RS-485 using Modbus protocol with selectable baud rates up to 38,400
Operates at a nominal supply voltage of 24 V DC (allowable range 12–30 V DC)
Operable within –20 to +50 °C, 20–90 % r.H., and 80–120 kPa, depending on sensor type

GfG Gesellschaft für Gerätebau mbH GfG is a key player in the green hydrogen economy, focusing on producing carbon-free hydrogen via renewable energy. It aims to convert its Whyalla plant to hydrogen-powered steel production. GfGs efforts align with global efforts to reduce fossil fuel dependence.

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