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79-2500 Flame Proof Gas Detection

 79-2500 Catalytic and Infrared Gas Detectors  

Ampcontrol’s 79-2500 range of Exd Group 2 certified flammable gas detectors is available in Infrared and Catalytic detection versions.

The detectors feature a local display and calibration functions with 4-20mA loop output. Inbuilt alarm with relay options for local alarm control.

User programmable via magnetic tool.

Backlit LCD provides full information display of gas, alarm and mA output.

 

Features
Certification
Specifications
 

  • Certified Flameproof
  • Remote display option
  • Non-intrusive calibratoin and checking

  • IECEx Exd IIB T6 40°C [Infrared]
  • ANZEx 11.4101U / IECEx SIR 09-0118U [Catalytic]

 
Power
1.8 watts, 2.7 watts with relay option 
 
 
Accuracy 
+/- 2.0% fsd on all ranges
 
 
Repeatability
+/- 1.0% fsd
 
 
Built in self test
Continuous
 
 
Non-intrusive
Zero/Span/Test gas concentraton/alarm set-points/Gas type
 
 
No Gas Test feature [IR]
Invokes pre-programmed response test via front panel [factory re-set to specifications eg: 30% LEL] using Ampcontrol's patented lamp control technology which enables precise and repeatable readings over long periods without use of test gas.
 
 
Electrical Certification
Australian Certified Ex s d IIC
 
 
Operating temp range
IR/Catalytic -30°C to 70°C
Electrochemical -20°C to 40°C
 
 
Humidity range
0 - 99% RH
 
 
Shock resistance
Half sine 15g, 20ms duration on all axis
 
 
Vibration resistance
3 - 10Hz, displacement 0.5mm, 10 - 50 Hz, 2m/s2
 
 
Conduit entries
3/4 NPT conduit [2] horizontal plane standard
 
 
Weight inc. housing
2.0kg [without sensor, varies with options]
 
 
Overall dimensions
150mm width x 125mm height x 120mm depth
 
 
Gas Type
79-2500 IR - Flammable Hydrocharbons
79-2500 Catalytic - Flammable Hydrocarbons & Hydrogen

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