AZ 77232 CO2/Temp./RHMeter
Features :
- Low cost wall mountable monitor checking indoor air quality
- Super large LCD displays CO2, temperature & humidity simultaneously
- Designed with NDIR (non-dispersive infrared) wave guide technology CO2 sensor
- ABC (automatic background calibration) preset on for long time drift compensation
- Warning carbon dioxide level programmable
- Visible & audible alarm (~80db) are both available
- Alarm output drives built-in relay to control ventilation system
- Max, min, average functions included
- PC output to computer for on line analysis
- Display 8 hours TWA value (time-weighted average) or 15 minutes STEL value (short-term exposure limit)
- Housing design surrounds with rails to help air ventilation for quick and accurate response
- Easy to manually calibrate at fresh air around 380 - 420 ppm
- Temperature unit is switchable
| Measuring Range | |
| CO2 | 0 ~ 9999 ppm (5001~9999ppm out of scale range) |
| Temperature | -10~60°C (14~140°F) |
| Relative Humidity | 0.1%~99.9%RH |
| DP (Dew Point Temp.) | -20.0~59.9°C |
| WB (Wet Bulb Temp.) | -5.0~59.9°C |
| Resolution | 1 ppm, 0.1°C/°F, 0.1%RH |
| Accuracy | |
| CO2 | ±30ppm ±5% of reading (0~5000ppm) Other range are not specified |
| Temperature | ±0.6°C/±0.9°F |
| Relative Humidity | ±5%RH (at 25°C, other) |
| Warm-up time | 30 seconds |
| Response Time | |
| CO2 | <30 seconds (90% step change) |
| Tair | <2 mins (90% step change) |
| RH | <10 minutes (90% step change) |
| Relay | Yes |
| LCD size (mm, H x W) | 50 x 65 |
| Operating Condition | 0~50°C, 0~95%RH (avoid condensation) |
| Storage Condition | -20~50°C, 0~95%RH (avoid condensation) |
| Power Supply | 12VDC adaptor |
| Battery Life | <50mA (average), <310mA (peak) |
| Meter Size (L x W x H, mm) | 130 x 85 x 60 |
| Weight | 200g |
| Standard Package | Meter, manual, 12V USA type plug adaptor, plain box |
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