Detection gas |
Formaldeyde (HCHO) in air |
Detection range |
0-0.4 ppm (0.005ppm/digit) |
0-1.0 ppm
(0.01 ppm/digit) |
Detection time |
30 minutes (1,800 sec.) |
15 minutes (900 sec.) |
Detection principle |
Photoelectric photometry method |
Detection method |
Colorimetric tablet method (accumulating measurement) |
Accuracy |
± 10% of reading or ± 5% of full scale (which ever is greater) |
Display |
Digital LCD |
Sampling method |
Sample drawing with built-in pump |
Operating conditions |
-10 ~ 40ºC (14 ~ 104ºF), below 90%RH |
Memory |
Up to 99 readings (automatic recording at the completion of measurement) |
Self-diagnosis |
Failure of light source and light receiver, low battery voltage, pump failure, system trouble |
Power Source |
AA size Alkaline batteries (quantity 4) |
Continuous Operation |
Approximately 12 hours (with no alarm or backlight, with alkaline batteries at 20°C) |
Dimension |
Approx 85(W) x 190(H) x 40(D)mm, 3.35(W) x 7.48(H) x 1.57(W), |
Weight |
500g, 17.6 oz |
Standard Accessories |
• Detection TAB (20 pcs/pack) ** • Carrying case • AA size alkaline batteries • Operating manual |
Optional Accessories |
Zero and span tab, datalogging software, USB-IRdA cable (for downloading stored data) |
Warranty |
One year material and workmanship |