The combustible gas detector can detect gases like EX in a range of 0-100% LEL with a discrimination rate of 0.01% LEL using catalytic combustion. It has a 2-3 year sensor life, 500ml/min pump suction detection method, 2.4-inch color screen, IP65 rating, and dimensions of 160x70x28mm. It provides sound, light, and vibration alarms and has a 4500mAh polymer battery with overcharge, overdischarge, and temperature protections.

1. Combustible Gas Detector Technical Data
Detecting gas：EX
Detection range: 0-100% LEL (optional)
Discrimination rate：0.01%LEL
Detection principle: catalytic combustion
Sensor life: 2-3 years
Detection method: Built-in pump suction type, flow rate 500ml / min
Display: 2.4-inch 320X240 high-definition color screen display, 5 button operation

2. Detection accuracy: ≤ ± 3% (F.S)
Linearity: ≤±2%
Repeatability: ≤±2%
Response time: T90≤20 seconds
Recovery time: ≤ 30 seconds
Working power supply: DC3.6V
Alarm mode: sound and light alarm, vibration alarm, visual alarm, sound and light + vibration +
visual alarm, shutdown alarm optional
Battery capacity: 3.6VDC, 4500mA high-capacity rechargeable polymer battery with overcharge,
overdischarge, overvoltage, overheat, short-circuit protection
Operating environment: temperature -40 ℃ ~ +60 ℃; relative humidity ≤ 0-99% RH (built-in
filter can be used in high humidity or high dust environment)
Sample gas temperature: -40 ℃ ~ +60 ℃, optional high-temperature sampling cooling filter
handle, can detect the concentration of flue gas at 600 degrees or higher temperature
Temperature measurement: -40 ℃ ~ +120 ℃ (optional) precision 0.5 ℃
Humidity measurement: 0-100% RH (optional) accuracy 3% RH
Data storage: 100,000 data capacity as standard, support local real-time view, delete or data
export, free upper computer communication software, storage function is off by default, can be set
to open state, storage time interval arbitrary settings
Communication interface: USB (charging and communication), optional RS485 or RS232
communication interface
Interface language: Chinese or English can be set, the default Chinese interface
Explosion-proof type: Intrinsically safe
Explosion-proof mark: Exia II CT4 Ga
Protection level: IP65, dustproof, splash-proof

3. External dimensions: 160×70×28mm(L×W×H)
Weight: 300g
Standard accessories: manual, certificate, warranty card, USB charger (including data cable),
high-grade aluminum alloy instrument case, crocodile clips, humidity dust filter 1
Optional accessories: temperature and humidity measurement function, 1.2 m retractable
sampling handle (1-10 m hose, standard length 1 m), high temperature sampling cooling filter
handle, high temperature and high humidity pre-treatment system, humidity dust filter, lanyard
Applications: chemical, petroleum, pharmaceutical, environmental protection flue gas analysis,
pipeline, boiler gas analysis, air treatment and all other occasions that need to detect gas
concentration