GFG Fixed Single-Point Gas Monitors/Transmitters

Simple and Effective
The Dynagard accurately displays values on a large backlit LCD, and can transmit a linear 4 to 20 mA output. AutoCal® calibration and maintenance is done effortlessly through front panel push-buttons. Smart sensors enable the user to change measuring ranges or gas types in the field without the need
for additional programming. The Dynagard is equipped with onboard relays for two adjustable alarm points, and one sensor fault for local connection and activation or deactivation of external devices like strobes, fans, auto dialers, etc.


  • AutoCal® automatic calibration
  • Smart Sensor technology
  • Digital display/control connection
  • Internal push button alarm settings
$477.50 - $3,524.50USD / Each

6 variations of this product are available.

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Compareitem specifications
Gases Measured
Availability Pricing
GFG Instrumentation 3701-030 Gas Monitor/Transmitter, Oxygen, 0 to 25% Vol EW-10109-36 Mfr # 3701-030
$2,228.50USD / Each
GFG Instrumentation 3704-500 Gas Monitor/Transmitter, Carbon Monoxide, 0 to 500 ppm EW-10109-38 Mfr # 3704-500
$2,069.00USD / Each
GFG Instrumentation 3707-050 Gas Monitor/Transmitter, Sulfur Dioxide, 0 to 50 ppm EW-10109-40 Mfr # 3707-050
$3,279.50USD / Each
GFG Instrumentation 3708-050 Gas Monitor/Transmitter, Chlorine, 0 to 50 ppm EW-10109-41 Mfr # 3708-050
$3,524.50USD / Each
GFG Instrumentation 3742-200 Gas Monitor/Transmitter, Hydrogen Chloride, 0 to 200 ppm EW-10109-45 Mfr # 3742-200
Hydrogen chloride
$2,361.00USD / Each
GFG Instrumentation 7771-038 Gas Monitor/Transmitter Calibration Kit; Without Gas EW-10109-51 Mfr # 7771-038
O2/Toxic Gasses
$477.50USD / Each
Showing 1- 6 of 6

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