汞蒸氣Hg氣體檢測管142S MERCURY VAPOUR 0.1-10mg/m3

Tube 42S
1. PERFORMANCE
1） Measuring range ：0.5-10mg/m3 0.1-2.0mg/m3
Number of pump strokes 1（100ml） 5（500ml）
2） Sampling time ：5 minutes /5 pump strokes
3） Detectable limit ：0.02 mg/m3（500ml）
4） Shelf life ：3 years
5） Operating temperature ：0～40℃
6） Reading ：Direct reading from the scale calibrated by 5 pump strokes
7） Colour change ：Grey→Pale orange
2. RELATIVE STANDARD DEVIATION
RSD-low：10％　RSD-mid.：10％　RSD-high：10％
3. CHEMICAL REACTION
By reacting with Cupric iodide（II）, Cupric mercury iodide is produced.
Hg＋CuI→Cu2（HgI4）
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
mg/m2
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
GAS To pump
142S MERCURY VAPOUR
Substance Interference ppm Coexistence
Chlorine The accuracy of readings is not affected. 0.1 Lower readings are given.
Hydrogen chloride 〃0.5 〃
Nitrogen dioxide Brown stain is produced. 0.1 〃
Hydrogen Sulphide 〃0.5 〃
（NOTE）
In case of 1 pump stroke, actual concentration is calculated with five times of reading value.