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Transmitter EC28 DAR

Product catalog summary

Overview: The EC28 DAR Transmitter is designed for monitoring toxic gases, oxygen, or hydrogen in potentially explosive atmospheres. It features a display for current measured values and provides local and external alarms. The device is ATEX-certified, ensuring safety in Ex zones.

Communication and Service: The transmitter communicates via a 4 to 20 mA signal. It incorporates Smart Sensor technology for easy sensor replacement and allows adjustments through the RC2 remote control for one-man calibration.

Display, Control, and Alarms: The EC28 DAR includes a 2.2-inch LC display and three control buttons. It displays measured values, faults, or alarms and allows access to operating parameters. It features red alarm LEDs, a 90 dB horn, and an additional relay for triggering external alarms.

Reliability and Cost Efficiency: The transmitter ensures high measuring accuracy with temperature compensation and offers a long sensor service life with low maintenance costs.

Variants: The EC28 series includes several versions to meet different application needs, such as the basic version, versions with displays, alarm horns, Modbus interfaces, and intrinsically safe models.

Gas Detection Capabilities: The EC28 can detect a wide range of gases, including ammonia, chlorine, hydrogen sulfide, and more.

Technical Specifications: The EC28 DAR uses an electrochemical measuring principle, supports diffusion or gassing gas supply, operates in temperatures from -20 to +50 °C in Ex zones, and has a protection class of IP64. It is powered by 18 to 30 V DC and weighs 800 g.

Certifications: The device is marked with II 2G Ex eb mb [ib] IIC T4 Gb, suitable for temperatures between -20 °C and +50 °C.

Catalog excerpts

Fixed gas detection systems smart

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EC28 DAR Transmitter Display, Alarm and Relay for Safety in Ex Zones Whenever toxic gases, oxygen or hydrogen are to be monitored and a display of the current measured value as well as local and external alarms are to be provided on site, the EC28 DAR transmitter combined with GfG's proven control units is the solution of choice. The ATEX-certified design means it can be used even in potentially explosive atmospheres. Communication is carried out via a 4 to 20 mA signal. The Smart Sensor technology enables fast and uncomplicated replacement of the sensor. Adjustments can be made using the RC2...

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Transmitter EC28 DAR

Transmitter EC28 DAR

Catalog excerpts

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