New Handheld Mini Portable Air Gas Quality, Formaldehyde Detector Sensor Tester

US $570

Singapore, Singapore
Jun 18th

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Product Description Test Item HCHO in the air Test Range 0.000~3.500mg/m3 Detection Time 5~10 minutes Detection Technique Electrochemistry Sensing Technology Sample Mode Diffusion Type Density Unit mg/m3 or ppm Display Mode LCD Digital Display Thousands display Humidity Range <90% RH Detection Temp. -10~45 degree Charging Temp. 0~45 degree Charging Time 2 hours Storage Temperature -20~60 degrees Instructions 1) Turn on the power switch, wait for 200 seconds after the normal use of the LCD screen show countdown; 200 - 199 - 198…... 2... 1... 0. 2) Formaldehyde concentration and TVOC concentration display switch: Boot LCD screen shows the default for TVOC concentration; long time hold down the button FN 1 seconds, switch to the formaldehyde concentration show, click the button FN, formaldehyde concentration unit is: mg / cubic meter and ppm switch. 3 Calibration: Will be the instrument to get fresh air, the use of the instrument to detect the mouth 1 and 2 clean natural air, the instrument will be placed in the outdoor 5 minutes after the long time to hold the middle of the instrument button, 3 seconds after the correction is 0, LCD screen flicker, and then directly into the chamber. (correct time, please don't in the corridor. Perfume, paint, alcohol and other local correction 4 Turn off backlight. Press the left button for a long time for 1 seconds, turn off the backlight. 5 Start detection: Detection time, the doors and windows are closed, the test site can make the bedroom, living room, kitchen, toilet, each place to detect the time is 5-7 minutes LCD when the formaldehyde concentration is less than 0.1 mg / cubic meter (international standard GB18883-2002), TVOC concentration is less than 0.6 mg / cubic meter, a: display shows that the air quality is best B. when the formaldehyde concentration greater than 0.1 mg / m3 (international standard GB18883-2002) and TVOC concentration greater than 0.6 mg / cubic meters, LCD screen display snivel, the concentration of formaldehyde in the air quality exceeded, the screen lit a red light C. when the formaldehyde concentration greater than 0.3 mg / m3 (international standard GB18883-2002) and TVOC concentration greater than 0.6 mg / cubic meters, LCD screen display snivel, said air quality formaldehyde concentration limit, the screen lit a red light, the instrument will alarm sound, said seriously overweight. 6 Charge Description USB charge into the computer to charge, charging time is 3 hours, the battery icon when charging, full of lights, flashing lights stop flashing POLICIES Shipping - Shipping only to USA, Canada, Europe, Russia, South East Asia, Australia and New Zealand Unless Otherwise Specified. - Buyers from other countries to contact me first before committing to buy Returns - 14 days return period -Buyer pays for Shipping unless there is a manufacturer defect Warranty Period - 1 Year Manufacturer's Warranty