Extech VOC and Formaldehyde Meter, 9.99 PPM TVOC, 5 PPM Formaldehyde

Backlit LCD displays TVOC (Total Volatile Organic Compound) and HCHO (Formaldehyde) concentrations simultaneously in real-time Complete with rechargeable battery and Universal AC Adaptor/Charger (multi-plugs US, EU, UK, and AU) Built-in fast response, high accuracy fuel cell Formaldehyde sensor Two selectable units of measure (ppm, mg/m3) Adjustable audible and visible high/low alarms Auto Power Off Specifications Resolution 0.01ppm Charge Time approx. 3 hours TVOC 0.00 to 9.99ppm (mg/m�) Formaldehyde (CH?O or HCHO) 0.00 to 5.00ppm (mg/m�) Weight 1.3lbs (584g) Response time <2s Power supply Rechargeable battery and AC adaptor Dimensions 6.5�2.4�1? (165 x 60 x 25mm) Basic Accuracy �5%FS