GX-2009 Operator’s Manual
Specifications • 7
Specifications
Table 1: Model GX-2009 Specifications
Target Gas
Combustible Gas
,
Methane (CH4)
calibration standard*
Oxygen (O
2
)
Hydrogen Sulfide
(H
2
S)
Carbon Monoxide
(CO)
Range
(Increment)
0-100% LEL
(1% LEL)
0-40.0 vol%
(0.1 vol%)
0-100.0 ppm
(0.5 ppm)
0-500 ppm
(1 ppm)
Detection Method
Diffusion
Response Time
T90 Within 30 Seconds
Accuracy
± 5% of reading or
± 2% LEL
(whichever is greater)
± 0.5% O
2
± 5% of reading or
± 2 ppm H
2
S
(whichever is greater)
± 5% of reading or
± 5 ppm CO
(whichever is greater)
Display
Digital LCD
Gas Alarms
(Factory Settings)
Alarm 1: 10% LEL
Alarm 2: 50% LEL
Over: 100% LEL
Alarm 1: 19.5 vol%
(Decreasing)
Alarm 2: 23.5 vol%
Over: 40.0 vol%
Alarm 1: 5.0 ppm
Alarm 2: 30.0 ppm
Over: 100.0 ppm
TWA: 1.0 ppm
STEL: 5.0 ppm
Alarm 1: 25 ppm
Alarm 2: 50 ppm
Over: 300 ppm
TWA: 25 ppm
STEL: 200 ppm
Operating
Temperature and
Humidity
-20 to 50
o
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. Class I, Zone
0, Group IIC. Temperature Code T3C.
Power Supply
NiMH Batteries (2.4 VDC Nominal), Direct Charging
Continuous
Operating Hours
Up to 20 Hours (Non Alarm Operation After Full Charge)
Charge Time
3 hours for a full charge
Case
High-impact Plastic, Dust and Water Resistant to IP-67
Required
Accessories
AC or DC Charging Station, AC Charging Station Available For From 1 to 5 Instruments
Other Accessories
• IrDA/USB cable for downloading data to computer
• Product CD, includes GX-2009 Data Logger Management Program and GX-2009 Setup
Program
• SDM-2009 Automatic Calibration Station
• Hand Aspirated Sample Draw Adapter with Hose and Probe
• Wrist Strap (included with every unit)
www.calcert.com
1.800.544.2843
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