RKI Instruments GX-2009 Manual - Manual (Page 7)

GX-2009 Operator’s Manual Specifications • 2
Specifications
Table 1: Model GX-2009 Specifications
Target Gas Combustibles,
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