Black Portable Digital Formaldehyde Detector Air Quality Monitor HCHO TVOC Detector Gas Analyzer LCD Display Tester

Specifications: Color: Black Input: 5.0V/500mA Dimension: As shown in the figure Test item: HCHO, TVOC Test rangeS: 0-2.888mg/m?(HCHO), 0-9.999mg/m?(TVOC) Detection principle: semiconductor gas sensor principle Concentration unit: mg/m? Operating voltage: 2.5-3.2v Display Method: LED screen Feature: -3D convection vents for real-time circulating convection of air and more accurate detection. -The constant temperature working condition of the sensor is monitored to overcome the influence of temperature difference on the detection results. -Adopt dry battery protection technology, long standby time, more power saving. -High sensitivity, high resolution, high stability, strong anti-interference, detectable TVOC and HCHO. -Real-time detection of air at any time and place to ensure timely detection of air quality problems. -High precision semiconductor sensor for detecting HCHO, TVOC. -Large screen for visual display of data, the data is clear at a glance. -Beep when the alarm value is exceeded. -Easy to carry, suitable for testing in various environments such as home, office, and car. Package included: 1 x Air Quality Detector Notice: 1. Please allow 1-5mm error due to manual measurement. Please make sure you do not mind before you bid. 2. The colors may have different as the difference display, please understand.