Inficon 580-000, Original Operating Instructions

Page: 30 / 128

4 | Description INFICON
30 / 128 IRwin-Operating-instructions-mina66en1-15-(1904)
Ex mode:
This mode is not available in IRwin S.
Measurement
principle
Infrared (IR)
Measurement
range
CH
4
, C
3
H
8
, C
4
H
10
: 1 - 100% LEL
Resolution 1%LEL
Measurement
error
±5%LEL
Response time CH
4
: t
50
= 3 s, t
90
= 5 s
Recovery time t
50
<3 s, t
10
<5 s
Cross sensitivity All hydrocarbons CxHy
Lifetime Guaranteed 1 year, expected > 2 years
Calibration gas Fresh air, CH
4
in synthetic air: 2.2 Vol%
Ex Tox mode:
This mode is only available in IRwin SXT and SXGT.
Measurement
principle
Infrared (IR)
Measurement
range
CH
4
, C
3
H
8
, C
4
H
10
: 1 - 100% LEL
CO
2
: 0.1 - 5 Vol%
O
2
: 0.1 - 25 Vol%
CO: 1 - 500 ppm
H
2
S: 1 - 400 ppm
Resolution CH
4
, C
3
H
8
, C
4
H
10
: 1% LEL
CO
2
: 0.05 Vol%
O
2
: 0.1 Vol%
CO: 1 ppm
H
2
S: 0.1 ppm
Measurement
error
CH
4
: ±5 % LEL C
3
H
8
: ±40% of indicated value C
4
H
10
: ±50% of
indicated value
CO
2
: ±0.1 Vol%
O
2
: ±0.3 Vol%
CO: ±3 ppm
H
2
S: ±0.5 ppm
Response time CH
4
: t
50
<3 s, t
90
<5 s