Течеискатель SE151

for natural gas leaks finding. carbon mono carbo.ethanol.freon.butane.liquid gas. hydrogen and alcohol standard 1.5 V batteries power supply battery life 7 hours of continuous working with imitation leather case calibration is reached through sensitivity adjustm in no polluting gas air so that the buzzer gives one pulse every second. as soon as the sensor is in a polluted environment the pulses frequency increases.
ZANUSSI:0S2023