50 P5536.1600 rev A
Recommended Test Gas Concentration
Gas Sensor Type
Zero Gas
Calibration Gas/ balance gas
CH
4
(Pellistor) 100% LEL Zero Air
2.2% v/v CH
4
in air
CH
4
(Infra Red)
Zero Air or Nitrogen 100% 50% to 100% of range CH
4
in N
2
CO
Zero Air
50% to 100% of range CO in air
H
2
S
Zero Air
50% to 100% of range H
2
S in air
NO
Zero Air
50% to 100% of range NO in air
NO
2
Zero Air
50% to 100% of range NO
2
in air
SO
2
Zero Air
50% to 100% of range SO
2
in air
CO
2
Nitrogen 100%
50% to 100% of range CO
2
in air
O
2
Nitrogen 100%
Clean air, or 50% to 100% of
range O
2
in N
2
Standard test gas canisters are available from our Product Support department and
can be supplied in a range of capacities from 34 litres up to 110 litres.
Please call our sales engineers for advice regarding recommended test gas
procedures and product support plans.
Checkpoint
• CH
4
test gas must be combined with balance air if being used to calibrate
pellistor based devices.
• 25% O
2
cannot be shipped by air transport, so a concentration below 23%
would be supplied.
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Summary of Contents for TX6351
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Page 6: ...6 P5536 1600 rev A 1 4 Dimensions www trolex com...
Page 30: ...30 P5536 1600 rev A 4 Setup and Calibration 4 1 Controls and Indicators www trolex com...
Page 31: ...TX6351 TX6352 User Manual P5536 1600 rev A 31 www trolex com...
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