leak detector for gas se151nm

for natural gas and lpg leaks finding.standard 4 batteries 1.5V power supplybattery life 7 hours of continuous workingwith imitation leather casecalibration is reached through sensitivity adjustmin no polluting gas air so thatthe buzzer gives one pulse every second.As soon as the sensor is in a pollutedenvironment the pulses frequencyincreases.

Made in Italy