| Specifications | MS6540B |
| Temperature Range | -32 to 1050℃(-25 to 1922℉) |
| >510℃ | ±1.5% of the reading |
| 50~510℃ | ±1.5% of the reading+1℃ |
| 15~50℃ | ±1.5% of the reading+2℃ |
| -32~15℃ | ±3℃ |
| Repeat error | <±0.5% of the reading |

Source: https://www.meterstesters.com/products/infrared-thermometers/infrared-thermometer-ms6540b.html