Application Range
Standard Measuring Range: 3 to 15 mg/m3 / 1 to 10 mg/m3
Number of Strokes n: 3 / 5
Time for Measurement: 3 min / 5 min
Standard Deviation: ± 15 to 20 %
Color Change: yellow -> pink
Ambient Operating Conditions
Temperature: 20 to 35 °C
Absolute Humidity: < 15 mg H2O / L
Reaction Principle
TBM + HgCl2O7 -> HgS + 2 HCl
HCl + pH-indicator -> pink reaction product
Cross Sensitivity
Hydrogen sulfide, sulfur dioxide, mercaptane, arsine, nitrogen dioxide and phosphine are indicated as well, but with different sensitivities.
Additional Information
For applications in an environment with temperatures below 20 °C use temperature correction. To do so refer to the instructions for use.
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