Handheld Oxygen Monitor O2 Gas Detector Analyzer 0 30%VOL Smart Sensor AS8901

Handheld Oxygen Monitor O2 Gas Detector Analyzer 0 30%VOL Smart Sensor AS8901
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Professional Digital Handheld Precision Oxygen Detectors O2 Meter Monitor Gas Analyzer O2 Tester Smart Sensor AR8100



MART SENSOR 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.



 Color  Black + Blue
 Gas Type  Oxygen meter
 Measuring range    0~25% VOL
 Resolution    0.1%
 Basic error:  Less than ± 0.1%
 Response time:  Less than 50 seconds
 Recovery time:  Less than 50 seconds
 Measuring Principle    Electrochemical principle, life for 2 years
 Low / High Alarm / Alarm Setting   V
 Alarm    Acoustic, optical double alarm, can set the alarm value, an alarm
 sound is divided into 80 dB
 Operating Temperature:  -10~ 50℃(except LEL is 0 ~40℃)
 Operating Humidity :  15~95 % RH, typical
 Storage Temperature :   0~40℃
 Product Weight / Size:  200g / 112 * 66 * 32 ( mm )
 Power Supply  Rechargeable lithium-ion battery, 3.7 Volts (include)
 Battery working runtime:   about 100 hours of continuous use ( when backlight is off)
 Packing  Gift Box
 Packing Contents                                                                                            1pc AR8100 Oxygen gas monitor
 1pc User manual
 1pc Carrying brouch
 1pc 3.7V rechargable lithium battery
 1pc Battery charger

Diagram and LCD display


 ② Decrement button
 ③ Increment button / backlight 
 ④ MODE : Measurement mode button
 ⑤ The first siren (Blue indicator)
 ⑥ The second siren (red indicator)
 ⑦ Buzzer
 ⑧ LCD Display
 ⑨ Sensor
 ⑩ T / R: Temperature / relative
 11.Battery compartment cover                                                                            


 1. Gas type
 2. Alarm
 3. Back light 
 4. Battery
 5. Measured value
 6. Measurement prompt
 7. C / F
 8. Temperature Measured value


 The effect of oxygen-deficient and oxygen-enriched atmospheres
 The concentration of oxygen(%)  Symptoms (atmospheric pressure)
 100%  Deadly, 6 minutes(Absolutely airtight environment, such as hyperbaric oxygen chamber
 50%  Deadly, can be cured after 45 minutes treatment. (Absolutely airtight environment, such as hyperbaric oxygen chamber)
 >23.5%  Rich oxygen
 20.96%  Normal
 19.5%  Minimum
 15~19%  Reduce efficiency, and lead to problems of head, lung and circulation system
 10~12%  Shortness of breath, loss of judgment, purple lips
 8~10%  governance loss, syncope, unconscious, pale, nausea and vomiting
 6~8%  8 minutes, blood pressure, weak heartbeat,mouth breathing, quickly stopped breathing
 4~6%  40 seconds, convulsions, respiratory arrest, death