Gastec Gas Sampling Pumps and Detector Tubes for Gas Identification and Measurement Photo Ionization Detectors (PID's) Velocity measurements are achieved through

Velocity measurements are achieved through a permanent magnet in the impact body that generates an induction voltage in the coil of the impact device

Standard 9V alkaline battery gives 90 hrs

and pumping test

a man-down alarm

battery operated

Gastec Gas Sampling Pumps and Detector Tubes for Gas Identification and Measurement Photo Ionization Detectors (PID's) Velocity measurements are achieved throughNextteq's complete line of Gastec pumps and detector tubes precisely identify and measure gases and vapors"over 600 applications. Gastec's patented pumps are lightweight and rugged. The easy to pull handle and one stroke precision piston action provides field proven, foolproof operation with no partial samples. The are the only gas sampling pumps with Nextteq's patented Thermal Ring, providing on the spot measurement of ambient temperature. Gastec's