




1 unit of product
Product Specifications
HD TFT Color Screen with backlight
Real-time display of formaldehyde (HCHO), TVOC, temperature, and humidity
Multiple interface options with record playback and alarm indicators

Pump-suction four-in-one
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AS8801 Oxygen Detector (0-30%VOL)
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Nano composite electrochemical sensor with three-dimensional stepwise filtering and dual platinum electrodes for high sensitivity and anti-interference
Semiconductor sensor for temperature and humidity measurement
32-bit DPS digital processor chip with EMA (Exponential Moving Average) algorithm for weighted average calculation and noise reduction
Active constant airflow fan for stable and accurate sampling, minimizing environmental interference
Automatic calibration with 300-second self-calibration process
Adjustable alarm thresholds with audible and visual alerts for formaldehyde over-limit detection
Intelligent hazard assessment and comprehensive air quality evaluation displayed clearly
Real-time monitoring and dynamic tracking of air quality parameters
Data recording, playback, and calibration settings available
User-friendly interface with multiple function keys (OK, ESC, navigation keys)
Portable and suitable for various environments including homes, vehicles, nurseries, offices, and more
1. Before first use, power on the device and ventilate for at least 1 hour without operating the instrument.
2. Turn on the detector outdoors or in a ventilated area and power on for 10 minutes.
3. The device will perform an automatic 300-second calibration.
4. After calibration, place the device in a sealed space for measurement.
5. Allow the device to stabilize for at least 5 minutes at the detection point before reading results.
Professional air quality detection for formaldehyde, TVOC, temperature, and humidity
Suitable for indoor environments such as homes, cars, nurseries, offices, and public spaces
Provides comprehensive hazard assessment and real-time alerts to protect health and safety
Constant convection airflow and speed adjustment to eliminate flow rate interference
Multi-level filtering to exclude organic and other interfering substances
Automatic alarm and backlight for night-time visibility
Formaldehyde removal calculator to assist in selecting appropriate remediation methods based on room size and contamination level

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