Detection factor

1-4 gases (carbon monoxide CO, hydrogen sulfide H2S, oxygen O2, combustible gas Ex, CO2 CO2, VOC, etc.),

Depending on the site environment and user needs

Scope of detection

Depending on the site environment and user needs

resolution ratio

0.001ppm (0-10ppm high precision) / 0.01ppm (0-10 ppm);0.01ppm (0-100 ppm),0.1ppm (0-1000 ppm), 1ppm (0-5000 ppm); 0.1% LEL; 0.01%Vol

Unit display

Option: umol / mol, ppm, mg/m3, VOL%, LEL%

Detection principle

Electrochemistry, catalytic combustion, infrared, thermal conductivity, semiconductor, PID photoions, etc., according to the range, field environment and user needs

Sensor life

2 – 3 years for electrochemical chemistry, 2 – 3 years for catalytic combustion, 5 years for infrared, 2 – 5 years for thermal conductivity, and 2 years for PID

detection mode

Diffusion type / pump suction type, standard equipment: external pump, pump plug alarm function

display mode

LCD

Display content

Real-time concentration, alarm, time, storage, communication state, electric quantity, charging state, concentration unit, gas molecular formula, etc

Detection accuracy

Typical accuracy: ± 3% FS (optional higher precision sensor)

uncertainty

≤±2%

degree of linearity

≤±3%

repetitiveness

≤±2%

response time

T9020 seconds (GM)

recovery time

30 seconds (GM)

working power supply

DC 7.4V

battery capacity

7.4V, 1400 mAH rechargeable polymer battery, with over charge, over discharge, over voltage, short circuit, overheat protection functions

stand-by time

Over 100 hours (no catalytic sensor)

The alarm volume

Buzzer 85dB (1 m distance)

service environment

Temperature: -20℃ ~ + 60℃, it can be customized-40℃ ~ + 70℃; Relative humidity: 10-95% RH

communication interface

Standard Type-C fast charging and communication, with a seat charging base

data storage

Standard capacity 100,000; support local view, delete or data export, storage time interval set

Interface language

Chinese or English can be set, the default Chinese interface

Explosion-proof type

Intrinsically safe type ExiaⅡCT4Ga

levels of protection

IP68

Case material

High strength corrosion resistance, fire proof polycarbonate, integral glue, anti-fall wear resistance anti-static, effective drop resistance of 5 meters

External size

Maximum size: 907038mm (LWH)

weight

200g

standard accessory

Manual, qualification certificate, USB charger (including data line), instrument box, external pump, filter 1.