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SPD207/HCHO

This product uses pumping method to detect the concentration of formaldehyde gas,adopting a 16-bit MCU chip with a built-in 12-bit AD converter, with accurate environmental temperature detection and display.

Detail

Measurement display: 4-digit LCD digital display with backlight

Operating temperature: 0~40℃(32~104℉)

Storage temperature: -10~50℃(14~122℉)

Operating humidity: 15~80%RH (relative humidity) (non-condensing)

Storage humidity: 15%~80% RH (relative humidity) (non-condensing)

Concentration unit: ppm (volume concentration), mg/m³ (mass concentration)

Measuring range: 0~4.00ppm (0~5.00mg/m³) (1ppm =1.25mg/m³ under one atmosphere)

Resolution: 0.01ppm (0.01 mg/m³)

Accuracy: ±10%×reading

Pump sampling time: 30 seconds

Sensor response time: <20 seconds

Calibration gas: customized standard gas

Over-range display: --OL--

Alarm mode: sound and light alarm (when the alarm value is exceeded, sound and red backlight will warn at the same time)

Sensor principle: electrochemistry

Sampling method: pump suction

Power supply: 4×3.7 lithium iron phosphate battery

Size: 235×74×40(mm)