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GD1-H₂S Laser Open Path Gas Detector
Brand: Detcon Inc
The GD1 sets a new standard for toxic gas detection. Using a tuneable laser diode the GD1 delivers enhanced coverage and fail safe detection.
The performance improvement marks a genuine step change for safety systems and life cycle cost savings.
The GD1 has been designed with features that provide an effective response to the detection of gas hazards in a wide range of industrial environments from offshore production facilities to wastewater treatment plants.
At the heart of the detector is a tuneable laser diode that eliminates environmental effects from sun, rain and fog. The laser scans single absorption lines where there is no interference from other gases.
Unlike traditional methods for detecting H₂S (MOS or EC cell) the GD1 needs no recalibration and can replace multiple standard detectors to cover the same risk.
The complete optomechanical design and construction is so stable that an ultra fast speed of response can be achieved while providing unparalleled service life and detector stability, thus saving on maintenance and service costs.
The detector is supplied with worldwide hazardous area approvals, is suitable for SIL2 applications.
Specifications
Brand
Approvals & Certifications
- ATEX Ex II 2 G Ex d IIC T6/T5, Ex II 2 G Ex E IIC T4/T5/T6, DNV 08-ATEX-18877X
- IEC Ex: DNV 10.0002X
- SIL 2
Cable Entry
- M20
Communication
- HART
Consumption
- < 15 W
Current
- 1 mA - Fault
- 2 mA - Beam Block
- 3 mA - Warning
Enclosure, Body Material
- 316 Stainless Steel - Tx & Rx Housing
Environmental Protection
- IP66
- IP67
Humidity
- 100 % RH
Length
- 0 to 22.86 ft (0 to 75 m) - Path
Load Impedance
- 500 ohms - Max.
Materials of Construction
- Glass-Reinforced Plastic (GRP) - Junction Box
Measuring Range
- 0 to 200 ppm
Operating Temperature
- -40° to 65° C (-40° to 149° F)
Output
- 4-20 mA - Source or Sink
Response Time
- 5 seconds
Span & Zero Effect
- ± 2 % of Full Scale Deflection - Zero
Span Effect
- ± 3 % of Full Scale Deflection
Storage Temperature
- -40° to 75° C (-40° to 167° F)
Supply Voltage
- 18-32 Vdc - Range
- 24 Vdc
Temperature Range
- -55° to 75° C (-67° to 167° F) - ATEX Flameproof