3 Pack Natural Gas Alarm Detector, Hembisen Plug-in Methane/Propane/Combustible Explosive Gas Monitor, Home Gas Leak Detector, Sniffer, Tester, with High Reliability Sensor and Voice/Light Warning.

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$29.99

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Price: $29.99
(as of Jan 22,2021 03:27:40 UTC – Details)


Product Description


The Hembisen gas detection alarm can effectively predict the concentration of dangerous gases and emit an alarm sound of 85DB, enabling you to respond quickly to ensure personal safety and reduce property losses.

This gas detection alarm ADOPTS MCU-PROCESSING, has sensitive response, small size, and simple installation.


Value Package -3 pieces

This product is a wall-mounted gas detector, used to monitor leaking gas, using advanced semiconductor sensors, high stability, long life, and easy to install.

It is suitable for residences, villas, hotels, shopping malls, apartments, etc.


Gas Alarm Concentration:

Natural gas: 10-25% LEL
Liquefied petroleum gas: 10-25%LEL
City gas: 2-5%LEL

When the concentration of combustible gas in a certain space reaches a value within the range, the detector will send out an alarm of 85DB to let you know the situation in time.


Operating instructions:

Warm-up state:

Plug in the power cord, the red LED light flashes once every second for about 1 minute, and then turns into a green LED light, which means that the detector enters the normal working state.

Alarm status:

When gas leakage is detected, the red LED flashes and the buzzer emits a “di…” alarm sound.

Recovery status:

When the gas concentration in the environment drops below the alarm concentration, the red indicator light goes out, the sound alarm stops beeping, and the switch signal returns to its original state.

Product package includes:

3 * gas detector
3 * instruction book
6 * screws


Installation location

Power cord length : 55.1 inches

Since the PPM of combustible gas is lighter than air, when the gas leaks, the PPM will rise.

Therefore, the detection alarm is usually installed in a higher position, but not too far away from the gas, so it is most suitable to install in the range of 11.8-47.2 inches.

Technical Specification :

Operating Voltage :
AC 220V
Static Current :
90mA ≤30 mA (low power consumption type)
Alarm Current :
≤100mA ≤40 mA(low power consumption type)
Warm-up Time :
about 60S
Alarm Indicator :
red LED flashes
Operating Temperature :
-10℃ – +50℃
Environment Humidity :
≤95% RH (no congelation)
Alarm Output :
sound & flash alarm

HIGH RELIABILITY SENSOR – Adopts microprocessor control, sensitive response, effective prediction of combustible gas, and avoiding dangerous accidents.
HEMBISEN GAS DETECTOR – It is suitable for detecting natural gas, methane, ethane, liquefied petroleum gas and other combustible gases; widely used in households, gas stations, coal mines and other occasions.
MONITORING STATUS – Power cord inserted, about 50 seconds after, the green indicator light is always on, indicating that the detector is in normal monitoring state.
ALARM LIGHT STATUS – When the gas concentration in the environment reaches the alarm concentration, the red indicator light flashes and emits an alarm sound 85DB. Allow you to respond quickly, reduce the risk of explosion, protect the safety of family life and property.
EASY TO INSTALL & USE – Alarm Installations are 11.8 inches to 47.2 inches below the ceiling and within a gas radius of 59 inches are best.

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3 Pack Natural Gas Alarm Detector, Hembisen Plug-in Methane/Propane/Combustible Explosive Gas Monitor, Home Gas Leak Detector, Sniffer, Tester, with High Reliability Sensor and Voice/Light Warning.

$29.99

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