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CompareUNI-T Thermometer UT 309A
UNI-T UT309A is an infrared thermometer for non-contact surfaces and objects temperature measuring within the range from -35 ºC to 450 ºC. It is designed to meet some of the highest protection ratings in UNI-T’s product line, IP65. UNI-T UT309A is 3 m drop-proof.UT309A Professional Infrared Thermometer.UT309 series professional infrared thermometer can determine surface temperature through the energy radiated by the target surface.
| Specifications | UT309A | UT309C | UT309E |
| Temperature range | -35°C~450°C | -35℃~650℃ | -35℃~850℃ |
| -31°F~842°F | -31℉~1202℉ | -31℉~1562℉ | |
| Accuracy | ≥0°C: ±1.8°C or ±1.8% | ||
| <0°C: ±(1.8°C+0.1°C/°C) | |||
| ≥32°F: ±3.6°F or ±1.8% | |||
| <32°F: ±(3.6°F+0.1°F/°F) | |||
| Resolution | 0.1°C/0.1°F | ||
| D:S ratio | 10:1 | 12:1 | 20:1 |
| Response time | 250ms (95% of reading) | ||
| Emissivity | 0.95 | 0.1~1 adjustable | 0.1~1 adjustable |
| Number of lasers | Single laser | Dual lasers | Dual lasers |
| Laser type | Class 2 | ||
| Laser power | <1mW | ||
| Laser wavelength | 630nm~670nm | ||
| Spectral response | 8μm~14μm | ||
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