Improved Hydrogen sulfide tube (120U)
The measuring range for 120U Hydrogen sulphide tube has been improved,
from 0.2-6.0ppm to 0.1-6.0ppm.
1/2 pump strokes(50mL)
1 pump stroke(100mL)
0.1ppm, 1/10 of TLV, can be measured at 1 pump stroke without temperature correction.
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