GD10P – Gas detector

Tecnologia	Infrared
Measured gas	Acetaldehyde – C2H4O, Acetic acid – C2H4O2, Acetone / Propionaldehyde – C3H6O, Acetylene – C2H2, Benzene – C6H6, Butane – C4H10, Carbon Dioxide – CO2, Carbon disulfide – CS2, Carbonyl sulfide – COS, Chloroform – CHCl3, Cycloheptatriene – C7H8, Dichloromethane – CH2CL2, Dimethylbutane – C6H14, Ethane – C2H6, Ethanol – C2H6O, Ethylene – C2H4, Fluoromethane – CH3F, Hexane – C6H14, IC4 – IC4, IC5 – IC5, Isobutanol – C4H10O, Methane – CH4, Methanol – CH3OH, Methanol – CH4O, Methyl iodide – CH3I, Octane – C8H18, Pentane – C5H12, Phosgene – CCl2O, Propane – C3H8, Propanol – C3H7OH, Propylene – C3H6, Styrene – C8H8, Tetrachloroethylene – C2Cl4, Tetrafluoroethylene – C2F4, Tetrafluoromethane – CF4, Total HydroCarbons – THC, Trichloroethylene – C2HCl3, Xylene – C8H10
Manufacturer	Simtronics

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Description
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Description

Description

Our ultimate Infra-Red point detector with versions covering a wide range of combustible gases.

Features

Life-time stability

The SimSource infrared light source is a solid-state component with a stable output and 60 years of expected lifteime. This, together with the Simtronics IR-path design gives you a detector with unparallelled stability.

No false alarms

Unlike most gas detectors in use today, the GD10P will give an error signal and not cause gas alarms in case of detector failure.

No poisioning or saturation

Immune to silicon vapours, H2S and other widely used agents.
High gas concentrations will not saturate the detector.
Can be used to detect gases where oxygen is not present, e.g. in sub-sea production units

Specification

General
Detection method	IR-absorbtion, dual wavelength, dual path
IR-Source	Solid state IR source, 50Hz flash
Gases detected	Hydrocarbons, see separate data sheet for CO2 detection
Self-test	Continuous
Calibration	Factory set, no field recalibration
Performance
Lifetime stability	±5% of full scale (FS) reading
Accuracy	±3% FS between 0-50 % reading
	±5% FS between 50-100 % reading
Response time	T20 = 1 sec. (Option 0.3 sec)
	T50 = 2.5 sec. (Option 0.7 sec)
	T90 = 6 sec. (Option 1.6 sec)
Start-up time	Less than 60 sec.
Output Signal
Standard	Current source 4 – 20 mA, max. load impedance 500 Ohm
Option	Current sink 4 – 20 mA
Option	HART®
Detector warnings:
Early clean optics	Pre warning (1 mA pulse)
Clean optics	Dirt accumulation (1 mA)
Clean optics	Dirt accumulation (1 mA)
	Option: Dirt accumulation (2mA)
Detector failure	Internal fault (0 mA)
Electrial
Power supply	24 V DC, range18-32 V DC
Power consumption	Approx. 3.5 W
Connection	3 wires (0.5mm2 – 1.5mm2)
Cable entry	M20 EExe cable gland
Temperature Range
Storage	-40°C to + 70°C (-40°F to +158°F)
Operating	-40°C to + 65°C (-40°F to +149°F)
Humidity (operation)	100% RH
Exsplosion Proof Housing
Main housing	EExd IIC T6
Terminal compartment	EExe
Protection category	IP66/IP67 DIN 40050
Housing material	Stainless steel SIS2343 (ASTM 316)