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| Product Name | SMART SENSOR AR320 Infrared ThermoMeter | SMART SENSOR AR300+ Infrared ThermoMeter |
| Product Price | $79.00 | $94.00 |
| Details | Details | |
| Model comparison | ||
| type | Portable | Portable |
| How it works | monochrome | monochrome |
| upper limit of temperature measurement | ≤400℃ | ≤400℃ |
| lower limit of temperature measurement | -49~0℃ | -49~0℃ |
| DS object distance ratio | 12:1 | 12:1 |
| precision | ±2℃ | ±2℃ |
| Parameter comparison | ||
| Temperature measurement Range | -32℃~380℃ (-26℉~716℉) | -32℃~400℃(-26℉~752℉) |
| Measurement Accuracy | ±2% or 2℃ | ±2% or 2℃ |
| Measurement of object distance ratio | 12:1 | 12:1 |
| emissivity | 0.95 preset | Adjustable from 0.10 to 1.00 |
| resolution | 0.1℃ 0.1℉ | 0.1℃ 0.1℉ |
| Light spectrum Response and reaction time | (8-14)um&500ms | (8-14)um&500ms |
| Repeatability | ±1% or ±1℃ | ±1% or ±0.1℃ |
| ° C/° F unit conversion | Yes. | Yes. |
| data locking function | Yes. | Yes. |
| Laser positioning function | Yes. | Yes. |
| Backlight display function | Yes. | Yes. |
| Automatic shutdown function | Yes. | Yes. |
