硫化氫H2S氣體測毒管120UT HYDROGEN SULPHIDE 2.5-40%

Tube 20UT

1. PERFORMANCE
1） Measuring range ：5-40％ 2.5-5％
Number of pump strokes 1/2（50ml） 1（100ml）
2） Sampling time ：1 minute/1/2 pump stroke
3） Shelf life ：3 years
4） Operating temperature ：0～40℃
5） Reading ：Direct reading from the scale calibrated by 1 /2 pump stroke
6） Colour change ：Pale blue→Black
2. RELATIVE STANDARD DEVIATION
RSD-low：10％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTION
By reacting with Copper sulphate（II）, Cupric sulphide is produced.
H2S＋CuSO4→CuS
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
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GAS To pump
（Rubber）
40
35
30
25
20
15
10
5
FIT-ADAPTOR
120UT HYDROGEN SULPHIDE
Substance Interference Coexistence
Sulphur dioxide Not affected. 8％ Lower readings are given.
Carbon dioxide Not affected. Not affected.
（NOTE）
In case of 1 pump stroke, divide the tube reading by 2.