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GfG EC 22 Fixed Transmitter, Fluorine (F2) MK 390-0, 0 - 100 ppm, Display / 4-20 mA - EC22-727-D

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GfG EC 22 Fixed Transmitter, Fluorine (F2) MK 390-0, 0 - 100 ppm, Display / 4-20 mA - EC22-727-D

GfG EC 22 Fixed Transmitter, Fluorine (F2) MK 390-0, 0 - 100 ppm, Display / 4-20 mA - EC22-727-D


EC22-727-D EC 22 Fixed Transmitter, Fluorine (F2) MK 390-0, 0 - 100 ppm, Display / 4-20 mA by GfG

The EC 22 Series are innovative and cost-effective transmitters for the detection of toxic gases or oxygen levels, but without the need for explosion protection.

Time-proven and innovative

The EC 22 is equipped with high quality GfG sensors. The transmitters are fitted with high-performance electronics for voltage stabilization, processing of readings, and temperature compensation. Follow up costs are minimized thanks to the long lifespan of the sensors.

Universal signal transmission

Either an analog or digital output signal can be transmitted by the EC 22 by means of a Modbus interface. Due to the different types of signal transmission, a transmitter from the 22 series can be connected to almost any gas detecting system, also as a supplementary or replacement transmitter on existing systems.

Signal processing

The embedded software of the EC 22 linearizes the measuring signal and compensates for the effects of temperature. As a result, correct readings are transmitted even with weather related fluctuations in temperature. In addition, the transmitter also offers the option of transmitting service, maintenance, and error messages to a connected gas measuring computer.

Weather protection

A weatherproof housing not only protects transmitters against exposure to wind and weather, but also against contamination and excessive temperatures caused by direct sunlight.

Optional colored graphic display and horn

The clear graphic display of the EC 22 is self explanatory and allows you to read the current status and other important information with ease. The display enables you to navigate effortlessly through the unitís concise menu and to change settings or even calibrate, depending on your user authorization. In the event of an alarm the display changes color from green to red. Two LEDs indicate the status.

Operation buttons

The buttons on the transmitter allow the unit to be calibrated and settings to be adjusted through the menu as needed.

Calibration adapter

In order to perform regular bump tests, a calibration adapter is used on the transmitter, which ensures a uniform and secure supply of gas.

Easy and convenient service

GfG offers full after-the-sale commissioning and field service support.


  • Long service life of the sensors
  • High efficiency and low follow-up costs
  • Sturdy plastic housing (IP-54)
  • Cost effective single-man adjustment
  • Affordable solution for many measuring tasks
Gases Non-combustible toxic gases and vapors
Oxygen (O2)
Detection Range Depends on the type of gas
Detection Method Electrochemical (EC)
Gas Supply Diffusion or bump test with calibration adapter
Response Time t90 Depends on the type of gas
Expected Sensor Life Depends on the sensor
Temperature Range, Humidity and Pressure Depends on the type of gas
Output Signal 4-20 mA or Modbus
Analog or digital
Power Supply 12-30 V DC
Available Configurations Display
Blind (without display)
Housing Material: Plastic
Weight up to 11.5 oz. / 325 g (depending on the version)
Dimensions 3.9 x 4.7 x 2 in. / 98 x 120 x 50 mm (W x H x D)
Housing Protection IP 54

Datasheets & User Manuals

Questions & Answers