AZ Wall Mount CO2 & Temperature Monitor with Relay
Description
- Model 7721
- Super large LCD display CO2 value and temperature simultaneously
- Designed with NDIR (Non-Dispersive Infrared) wave guide technology
- ABC (Automatic Background Calibration) preset on for long time drift compensation
- Display 8 hrs TWA value (time-weighted average) or 15 minutes STEL value (short-term exposure limit)
- Easy to manually calibrate CO2 at fresh air
- Digital wall mountable / desktop type
- Warning Carbon Dioxide level
- Alarm output drive relay to control system
Specification
| 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 |
