Technical Specifications
| Sound pressure range | 30 dBA to 130 dBA |
| Sound pressure accuracy | ±1.5 dB (94 dB at 1 KHz) |
| Sound pressure frequency response | 30 Hz to 8 KHz |
| Sound pressure frequency weighting | A weighting |
| Sound pressure time weight | Slow 1 second |
| Sound pressure analog bar | Yes |
| Backlight | Yes |
| Data hold | Yes |
| Maximum or minimum | Yes |
| Auto power off | Yes |
| Low battery indication | Yes |
| Power supply | 3 V x 1.5 V AAA batteries |
| Ambient temperature range | -4 ℉ to 140 ℉ (-20.0 ºC to +60.0 ºC) |
| Ambient temperature accuracy | 32 ℉ to 113 ℉ (0.0 ºC to 45.0 ºC) |
| Ambient humidity range | 0.0% to 99.9% |
| Ambient humidity accuracy | 20% to 80% ±3.0 RH |
| Wet bulb temperature range | -4 ℉ to 140 ℉ (-20.0 ºC to +60.0 ºC) |
| Wet bulb temperature accuracy | 32 ℉ to 113 ℉ (0.0 ºC to 45.0 ºC) ±0.1 ºF (± 0.1 ºC) |
| Dew point temperature range | -58 ℉ to 140 ℉ (-50.0 ºC to 60.0 ºC) |
| Dew point temperature accuracy | 32 ℉ to 113 ℉ (0.0 ºC to 45.0 ºC) ±0.1 ºF (± 0.1 ºC) |
| Size | 5.5 in x 2.2 in x 1.1 in (142 mm x 58 mm x 28 mm) |
| Weight | Approximately 4.08 oz (115.7 g) |
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