| Model |
7721 |
| CO2 Range |
0~9999 ppm
(2001~9999 ppm out of scale range) |
| CO2 Resolution |
1 ppm |
| CO2 Accuracy |
±50 ppm ±5% of reading (0~2000 ppm),
other range are not specified |
| CO2 Response Time |
＜30 Seconds (90% step change) |
| CO2 Warm-up Time |
30 Seconds |
| Air Temperature Range |
-10~60℃, 14~140℉ |
| Air Temperature Resolution |
0.1℃, 0.1℉ |
| Air Temperature Accuracy |
±0.6℃, ±0.9℉ |
| Air Temperature Response Time |
＜2 mins (90% step change) |
| LCD Size |
65(L) * 50(W) mm |
| Meter Size |
130(L) * 85(W) * 60(H) mm |
| Operating Temperature |
0~50℃ |
| Operating RH% |
0~95% RH (avoid condensation) |
| Storage Temperature |
-20~50℃ |
| Storage RH% |
0~90% RH (avoid condensation) |
| Power Supply |
12V DC Adaptor |
| Battery life |
＜50 mA (average), ＜310 mA (peak) |
| Weight |
~200g |
| Standard Package |
Meter, Manual, Paper Box,
12V USA Type Adaptor
|
