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Acoustic Testing Pro Digital Humidity Meter
Acoustic Testing Pro digital humidity meter is a multi-gas detector that can measure the indoor air quality index, including CO2 and CO concentrations, dew point, wet bulb value, and air temperature.
Overview
Acoustic Testing Pro digital humidity meter is a multi-gas detector that can measure the indoor air quality index, including CO2 and CO concentrations, dew point, wet bulb value, and air temperature. This device can be used as a CO 2 data logger for monitoring air quality in workspaces, offices, hospitals, schools, stations, or homes. It is an ideal instrument for indoor air quality (IAQ) diagnosis.
Features
- Professional portable air quality meter with alarm function
- Large LCD with blue backlight
- One-touch multi-measurement
- NDIR waveguide technology CO 2 sensor
- Data storage and calibration
Technical Specifications
| CO2 measurement range | 0 ppm to 9999 ppm (5001 ppm to 9999 ppm out of scale range) |
| CO2 resolution | 1 ppm |
| CO2 accuracy | ±30 ppm ±5 % of reading (0 ppm to 5000 ppm), other range are not specified |
| CO2 response time | <30 seconds (90 % step change) |
| CO2 warm-up time | 30 seconds |
| CO measurement range | 0 ppm to 1000 ppm |
| CO resolution | 1 ppm |
| CO accuracy | ±10 ppm for less than 100 ppm, ±10 % of reading for 101 ppm to 500 ppm, ±20 % of reading for 501 ppm and above |
| CO response time | <60 seconds (90 % step change) |
| Air temperature measurement range | -4 °F to 140 °F (-20 °C to 60 °C) |
| Air temperature resolution | 0.1 °F, 0.1 °C |
| Air temperature accuracy | ± 0.9 °F, ± 0.6 °C |
| Air temperature response time | <2 mins (90% step change) |
| Relative humidity measurement range | 0 % to 99.9 % RH |
| Relative humidity resolution | 0.1 % RH |
| Relative humidity accuracy | ±3 % RH at 77 °F (25 °C) (10 % to 90 % RH), ±5 % RH remaining range |
| Relative humidity response time | <10 min (90 % step change) |
| Dew point temperature (DP) | -4 °F to 139.82 °F (-20 °C to 59.9 °C) |
| Wet bulb temperature (WB) | 23 °F to 139.82 °F (-5 °C to 59.9 °C) |
| CO2 sensor operating temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| CO sensor operating temperature | 32 °F to 122 °F (0 °C to 50 °C) |
| Other parameters of operating temperature | -4 °F to 140 °F (-20 °C to 60 °C) |
| Storage temperature | -4 °F to 140 °F (-20 °C to 60 °C) |
| Storage RH % | 10 % to 90 % RH (avoid condensation) |
| Power supply | 4 x AA or 9 V adaptor |
| Battery life | > 24 hours (alkaline battery) |
| LCD size (L x W) | 1.73 in x 1.02 in (44 mm x 26 mm) |
| Meter size (L x W x H) | 8.07 in x 2.76 in x 2.20 in (205 mm x 70 mm x 56 mm) |
| Weight | 7.05 oz (200 g) |
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