FACTORY-SET
ALARM SETPOINTS LOW ALARM HIGH ALARM STEL TWA
CO 35 PPM 100 PPM 400 35
H
2
S 10 PPM 15 PPM 15 10
LEL 10% 20% -- --
O
2
19.5% 23.0% -- --
NO
2
2.5 PPM 5.0 PPM 5.0 2.5
*NOTE: Extended temperature range indicates gas readings may vary slightly
if calibrated at room temperature. For optimal performance, calibrate instrument
at temperature of use.
Table 6-3.
COMBUSTIBLE GAS - Typical Performance Specifications
RANGE 0 to 10 0% LEL or 0 to 5.00% CH
4
RESOLUTION 1% LEL or 0.05% CH
4
REPRODUCIBILITY 3% LEL, 0% to 50% LEL reading or
.15% CH
4
, 0.00% to 2.50% CH
4
(normal temperature range*)
5% LEL, 50% to 100% LEL reading or
.25% CH
4
, 2.50% to 5.00% CH
4
(normal temperature range*)
5% LEL, 0% to 50% LEL reading or
.25% CH
4
, 0.00% to 2.50% CH
4
(extended temperature range*)
8% LEL, 50% to 100% LEL reading or .
0.40% CH
4
, 2.50% to 5.00% CH
4
(extended temperature range*)
RESPONSE TIME 90% of final reading in 30 seconds (normal temperature range*)
(LEL only)
90% of final reading in 20 seconds (Methane)
*See TABLE 6-2 NOTE
Table 6-4.
COMBUSTIBLE GAS - Cross Reference Factors
for Solaris General-Purpose Calibration Using Calibration Cylinder
(P/N 10045035) Set to 58% LEL Pentane Simulant
COMBUSTIBLE GAS MULTIPLY %LEL READING BY
Acetone 1.1
Acetylene 0.7
Acrylonitrile
1
0.8
Benzene 1.1
Butane 1.0
1,3 Butadiene 0.9
6-2