Description
Overview
GAOTek temperature handheld environment tester device is mainly used to monitor carbon dioxide concentration and ambient temperature and humidity, suitable for use in private rooms, classrooms and offices. Make your life healthier and more comfortable.
Features
- HD black bottom color screen
- Use NDIR sensor
- Lithium electric direct charge (optional)
- Dry battery power supply (optional)
- Human comfort index
- Intelligent alarm
- CO2 user calibration
- Screen brightness is adjustable
- Battery status indicator
Technical Specifications
| Measurement parameters | Temperature, relative humidity, CO2Â concentration |
| Temperature unit | ºC |
| Temperature humidity | % |
| Temperature CO2 | PPM |
| Temperature measuring range | -4 ℉ to 140 ℉ (-20 ºC to +60 ºC) |
| Humidity measuring range | 0% to 100% |
| CO2 measuring range | 400 per PM to 10,000 per PM |
| Temperature measurement accuracy | ± 33.8 °F (± 1 ºC) 14 °F to 149 °F (-10 °C to +65 ºC) ± 35.6 °F (± 2 ºC) (other area) |
| Humidity measurement range | ±5% (10% to 90%, 77 °F (25 ºC)) ±6% (other range) |
| CO2 measurement range | ±3% ±100 PPM (400 PPM to 2000 PPM, 32 °F to 122 °F (0 ºC to 50 ºC)) |
| Temperature resolution | 33.8 °F (1 ºC) |
| Humidity resolution | 1% |
| CO2 resolution | 1 PPM |
| Temperature response time (t90) | 15 minutes |
| Humidity response time | 15 minutes |
| CO2 response time | ≥ 3 minutes (with better air circulation) |
| Temperature measuring interval | 1 second |
| Humidity measuring interval | 1 seconds |
| CO2 measuring interval | 4 seconds |
| LCD refresh interval | 1 seconds |
| Power supply | 3 pieces 1.5 V AAA alkaline battery or USB power adapter |
| Power supply interface | TYPE C, DC 5 V or 2 A |
| Protection class | IP 20 |
| Operating temperature | -4 ℉ to 140 ℉ (-20 ºC to +60 ºC) |
| Storage temperature | -22 ℉ to 140 ℉ (-30 ºC to +60 ºC) (no battery) |
| Size | 3.5 in x 2.9 in x 1.5 in (91 mm x 76 mm x 40 mm) |
| Weight | Approximately 4.9 oz (140 g) (without batteries) |