Gas tester for quantitatative analysis

For the determination of gaseous air pollutants. With one hand operated bellows pump to suck defined air quantities. With different test tubes gaseous air pollutants can be determined quantitatively and qualitatively. A break from pottery is integrated in the pump to injury-free opening of the test tube. Displacement: 100 ml / stroke Automatic stroke counter to avoid faulty measurements Visual display indicates that the air needed for the test was sucked