Overview
Enviro Test Construct Temperature and RH Meter is designed for measuring the indoor air quality index. It provides data on CO2 concentration, air temperature, dew point, wet bulb temperature, and humidity. The Carbon Dioxide values can be easily output to a PC for online analysis. This versatile device serves as an effective CO2 checker for assessing air quality in various settings such as workspaces, offices, hospitals, schools, stations, and homes. With easy calibration in the air and a backlight function, users can operate it even in dark areas.
Features
- NDIR sensor technology
- Displays CO2 level, temperature, and humidity simultaneously
- Real-time data output
- Alarm function
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 ranges are not specified |
| CO2 response time | <30 seconds (90 % step change) |
| CO2 warm-up time | 30 seconds |
| Air temperature measurement range | 14 °F to 140 °F (-10 °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) |
| Humidity measurement range | 0 % to 99.9 % RH |
| Humidity resolution | 0.1 % RH |
| Humidity accuracy | ±3 % RH at 77 °F (25 °C) (10 % to 90 % RH), Others ±5 % RH |
| Humidity response time | <10 min (90 % step change) |
| Operating temperature | 32 °F to 122 °F (0 °C to 50 °C) |
| Operating RH % | 0 % to 95 % RH (avoid condensation) |
| Storage temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Storage RH % | 0 % to 90 % RH (avoid condensation) |
| Power supply | 4 x AA |
| 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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