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Multi Gas Meter Detector 4in1 : O2/ H2S/ CO/ LEL “Smart Sensor”




A gas detector is a device that detects the presence of gases in an area, often as part of a

safety system. This type of equipment is used to detect a gas leak and interface with a control

system so a process can be automatically shut down. A gas detector can sound an alarm to

operators in the area where the leak is occurring, giving them the opportunity to leave. This

type of device is important because there are many gases that can be harmful to organic life.

Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen

depletion, etc. This type of device is widely used in industry and can be found in locations,

such as on oil rigs, to monitor manufacture processes and emerging technologies such as

photovoltaic. They may also be used in firefighting.


While many of the standard gas detector units were originally fabricated to detect one gas,

modern multifunctional or multi-gas devices are capable of detecting several gases at once.

Some detectors may be utilized as individual units to monitor small workspace areas, or units

can be combined or linked together to create a protection system.



Gas Type

Oxygen/ Carbon Monoxide/ Hydration/ Combustible Gas

Measuring range

O2 : 0 ~ 30% VOL

CO: 0 ~ 999 PPM

H2S: 0 ~ 500 PPM

Combustible Gas: 0 ~ 100% LEL


0.1% / 1 µmo/mol (ppm)/1%

Measuring Principle

Electrochemical principle, life for 2 years

Low/ High Alarm

Alarm Setting


Sound, Light Alarm. Adjustable Alarm values, Alarm sound up to 80 db.

Operating temperature

-10 ~ 50C

Operating humidity

15% - 95%RH (Standard)




3.7V li-battery

Product Net Weight

200 g

Product Size

120.2 * 64.5 * 38.3 mm

This product was added to our catalog on Friday 31 August, 2018.
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Smart Sensor
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Nanomachinery Co., Ltd.
4, Soi Petchkasem 100 ,Phetchkasem Rd. ,Bangkaenue ,Bangkae ,Bangkok, 10160, THAILAND.
Tel : 086-322-6876 ,02-421-9927 ,Fax : 02-809-2591 E-mail : pongthorn@nano-machinery.com
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