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HoldPeak 9000A Portable Multi-Gas Detector – Professional 4-in-1 Gas Monitor for O₂, H₂S, CO, and Combustible Gases (EX) with Color LCD, Sound/Light Alarms & Data Logging

HP-9000B Highly Accurate Measuring Range 0-100ppm Continuous Quantitative Ammonia Detector

Environmental Detector HP-531G-Wifi

Highlights：

Connect with mobile phone through Bluetooth, display onmobile phone through APp,Can remotely monitor themeasurement status, the distance controlin 10 ~ 15 metres

Product Parameter:

Display
84x69mm big screen VA LCD

CO2 sensor type
NDlR sensor

CO2 detective range
0~10000 ppm

Displayed CO2 resolution
1ppm

CO2 detective accuracy

±(5% of display + 50ppm)

CO2 conformity accuracy

±20%

CO2 operating temperature
-10~50°C(14~122℉)

CO2 operatingrelative humidity
0~95%RH (non condense).

NDlR sensor life time
>10 years

Temperaturetest range
-40~80°C(-40~176℉)

Temperaturetest accuracy

±2℃(+3.6℉)

Temperaturetest resolution
0.1'℃(0.1℉)

Relative humiditytest range
0.1~99.9%

Relative humiditytest accuracy

±10.0%

Relative humiditytest resolution
0.1%

Power supply
Built-in 3.7V Lithium battery(2000mAh)

Battery charging time
Approx.2 hours

Power operating time
Approx.4 hours

Dimensions(H/W/D)
128 x90 x37mm

Weight
Approx.230g (including battery)

Product material
ABS plastic