Description
- Model 77294L
- Large LED displays CO2 value, humidity and temperature.
- 12000 readings auto logging. USB2.0 plug and play. No need to operate through specific software.
- Wall mount display with 3-color light bar to provide hazardous level indicator from far distance
- Touch panel to program the setting
- NDIR (non-dispersive infrared) waveguide CO2 technology
- 3-color lightbar (green / yellow / red) gradually changes color for CO2 concentration.
- CO2 automatic background calibration(called ABC) for long time drift compensation
- Buzzer alarm function is included
- Areas of application: Widely used in the office building, school, exhibition hall, shopping mall, meeting room, fitness center, restaurant and other public places where energy cost, personal comfort and healthy are important.
Specification
Model | 7729 |
CO2 Range | 0~9999 ppm |
CO2 Resolution | 1 ppm |
CO2 Accuracy | ±50 ppm ±5% of reading (0~2000ppm), Other range is 10% of reading |
CO2 Response Time | <30 seconds (63% of step change) |
Temperature Range | -10.0~60.0℃ (14.0~140.0 ℉) |
Temperature Resolution | 0.1℃/℉ |
Temperature Accuracy | ±0.6℃/±0.9℉ |
Temperature Response time | <2 mins (90% step change) |
Humidity Range | 0.1~99.9%RH |
Humidity Resolution | 1% RH |
Humidity Accuracy | ±5%RH (at 25℃, 10~90%RH) ±7%RH (at 25℃, Other range) |
Humidity Response Time | <20 mins (90% step change) |
Auto Logging | 12000 times records |
IP Rating | IP20 |
Operating | -10~50℃, 0~95%RH(avoid condensation) |
Storage | -20~50℃, 0~95%RH(avoid condensation) |
Power Supply | 5VDC USB Type C Port |
Power Consumption | <500mA |
Standard Package | Meter, Manual, USB Type C Cable Hanging accessories |
Weight | 450 g |
Meter Size | 226 (L) * 152 (W) * 45 (H) mm |
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