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2.
SPECIFICATIONS
Gases Detected
Natural Gas (Methane)
Carbon Monoxide (CO)
Hydrogen Sulfide (H
Oxygen (O
2
Sensors
Catalytic Combustion (CH
Thermal Conductivity (CH
Electrochemical (CO and H
Electrochemical (O
Ranges
% GAS
0 to 100% by volume of methane
Steps of 0.05% up to 4.0%
Steps of 1% from 4 to 100%
% LEL
0 to 100% (Model CGA-411)
PPM CO
0 to 9999 ppm carbon monoxide in steps of 1 ppm
PPM H
S
0 to 1000 ppm of hydrogen sulfide
2
% Oxygen
0 to 40% by volume in steps of 0.1%
Calibrated
GAS
±0.1% from 0 to 4%
Accuracy
±2% from 4% to 100%
to 35
LEL
±2% from 0 to 100%
o
o
(5
C)
CO
±5% of reading, ±5 ppm
(±10% from 1000 ppm to 9999 ppm)
O
±5% of reading for % oxygen
2
S)
2
)
)
4
)
4
S)
2
)
2
Lower Limit of Detection
Warm-Up Time
Operating Temperature
(with fresh batteries)
Storage Temperature
Continuous Operating
Time per Battery Set
Humidity
Power Supply
Dimensions and Instrument
Weight
3
0.03% GAS, 1 ppm CO
30 seconds
o
o
-25
C to 55
C
o
o
(-10
F to 130
F)
o
o
-40
C to 60
C
o
o
(-40
F to 140
F)
o
12 hours (25
C), typical
0 to 98% RH
(non-condensing)
Four AA Alkaline
(1.5V Type AM-3) or
Four AA Ni/Cd Rechargeable
(1.25V, 0.850 Ah)
Height 7.25"
(18.4 cm)
Width 3.62"
( 9.2 cm)
Depth 1.70"
( 4.6 cm)
Weight 20 ounces (570 g)
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