Rae MultiRAE PLUS PGM-50, Руководство по эксплуатации и обслуживанию

Страница: 37 / 184

OPERATION OF MULTIRAE PLUS
2 - 21
2.7 Preset Alarm Limits and Calibration
The MultiRAE PLUS Multi-gas Monitor is factory
calibrated with standard calibration gas, and is programmed
with default alarm limits as listed below. (refer to Chapter 4
or Chapter 5 for programming procedures if new calibration
or alarm limits is required).
Table 2.2
Factory Calibration and Preset Alarm Limits
Gas
ppm Cal Gas /
Balance Unit TWA STEL Low High
CO
50 / Air ppm 35 100 35 200
H
2
S
25 / N
2
ppm 10 15 10 20
SO
2
5 / N
2
ppm 2 5 2 10
NO
25 / N
2
ppm 25 25 25 50
NO
2
5 / Air ppm 1 1 1 10
Cl
2
10 / N
2
ppm 0.5 1 0.5 5
O
2
20.9 / N
2
%Vol - - 19.5 23.5
CH
4
50 / Air %LEL - - 10 20
HCN 10 / N
2
ppm 5 5 5 50
NH
3
50 / N
2
ppm 25 35 25 50
PH
3
5 / N
2
ppm 0.3 1 1 2
VOC*
100 / Air ppm 10.0 25.0 50.0 100
* Note : 100 ppm isobutylene gas is used for VOC gas
calibration