Cross sensitivity: Styrene, vinyl acetate, acetaldehyde, acrolein, diesel fuel and furfuryl alcohol are indicated with a yellowish brown discoloration. 500 ppm octane, 5 ppm nitric oxide and 5 ppm nitrogen dioxide have no effect.

• Data below representative for an Accuro® pump, a hand operated bellows pump
• One stroke is equivalent to a volume of 100 ±5 ml of gas passing through the tube
• The standard measuring range is calibrated at 20 °C and 1013 hPa