SPECIFICATIONS
(1,2)
Gases
Detected
Natural Gas (Methane)
Carbon Monoxide (CO)
Oxygen (O
2
)
Hydrogen Sulfide (H
2
S)
Sensors
Catalytic Combustion (CH
4
)
Thermal Conductivity (CH
4
)
Electrochemical (CO)
Electrochemical (O
2
)
Electrochemical (H
2
S)
Ranges
% GAS
0 to 100% by volume of methane in steps of
0.05% up to 4.0% and steps of 1% from 4 to
100%.
% LEL
0 to 100% LEL of methane in steps of 1%.
ii
PPM CO
0 to 5000 ppm of carbon monoxide in steps
of 1 ppm.
PPM H
2
S
0 to 1000 ppm of hydrogen sulfide in steps
of 1 ppm.
% O
2
0 to 40% by volume in steps of 0.1%
Accuracy
(5
o
to 45
o
C)
±
2% LEL for % LEL scale
±
2% GAS for % GAS scale
±
5% of reading,
±
10 ppm for PPM CO scale
(
±
10% from 1000 ppm to 5000 ppm)
±
5% of reading,
±
10 ppm for PPM H
2
S scale
±
5% of reading for % oxygen
Warm-Up Time
30 seconds
Operating Temperature
(with fresh batteries)
-30
o
C to 50
o
C
(-20
o
F to 120
o
F)
Maximum Temperature
of Sampled Gas
325
o
C (620
o
F)
Storage Temperature
-40
o
C to 60
o
C
(-40
o
F to 140
o
F)
Continuous Operating
Time per Battery Set
12 hours typical (25
o
C)
Humidity
0 to 98% RH
(non-condensing)
Power Supply
Two D-size Alkaline
or Rechargeable
Dimensions
Weight
Length 7.80" (19.8 cm)
Width 4.25" (10.8 cm)
Height 4.00" (10.2 cm)
3.20 lb. (1.45 kg)
(1) Not all instruments detect all gases. For a list of detectors
see page 1.
(2) Specifications are applicable to properly calibrated
instruments, see page 2.
