The Gastro+ requires calibration once per month using 100ppm H2 gas, the calibration kit contans 100ppm H2 gas, 1 x calibration adapter and 1 x regulator.
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The Gastro+ requires calibration once per month using 100ppm H2 gas, the calibration kit contans 100ppm H2 gas, 1 x calibration adapter and 1 x regulator.