Overview
Hospitality Enviro Tech 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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