GX-2003 Operator’s Manual Specifications • 9
Specifications
Table 1: GX-2003 Specifications
Target Gas %LEL
Combustible
Gas
(Methane
Calibration
Standard)
% Volume
Combustible
Gas
(Methane
Calibration
Standard)
Oxygen (O
2
) Hydrogen
Sulfide
(H
2
S)
Carbon
Monoxide
(CO)
Range
(Increment)
0-100% LEL
(1% LEL)
0 - 100% vol
(1% vol)
0-40.0% vol
(0.1 vol%)
0-100 ppm
(0.5 ppm)
0-500 ppm
(1 ppm)
Auxiliary
Range
(Increment)
0-5,000 ppm
(100 ppm)
In Leak Check
Mode Only
n/a
n/a n/a n/a
Sampling
Method
Sample Draw
Response
Time
T90 Within 30 Seconds
Display Dot Matrix LCD Display
Gas Alarms
(Factory
Settings)
Alarm 1
10% LEL
Alarm 2
50% LEL
None Alarm 1
19.5 vol%
(Decreasing)
Alarm 2
23.5 vol%
(Increasing)
Alarm 1
10 ppm
Alarm 2
30 ppm
TWA
10 ppm
STEL
15 ppm
Alarm 1
25 ppm
Alarm 2
50 ppm
TWA
25 ppm
STEL
200 ppm
Operating
Temperature
& Humidity
-20°C to 50
°
C/Below 85% RH (Without Condensation)
Safety/
Regulatory
C US
186718
CSA classified, “C/US”, as Intrinsically Safe. Exia. Class I, Groups A, B, C, &
D. Temperature Code T3C.
Power
Supply
• Three AA size alkaline batteries standard
• Ni-MH Battery Pack (3.6 VDC Nominal) optional, Direct Charging
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