| Specifications |
| Temperature Range | | Fluke 62 MAX | -30 °C to 500 °C (-22 °F to 932 °F) | | Fluke 62+ MAX | -30 °C to 650 °C (-22 °F to 1202 °F) | |
| Accuracy | | Fluke 62 MAX | ±1.5 °C or ±1.5% of reading, whichever is greater -10 °C to 0 °C: ±2.0 -30 °C to -10 °C: ±3.0 | | Fluke 62+ MAX | ±1.0 °C or ±1.0% of reading, whichever is greater -10 °C to 0 °C: ±2.0 -30 °C to -10 °C: ±3.0 | |
| Response Time (95%) | | Fluke 62 MAX | < 500 ms (95% of reading) | | Fluke 62+ MAX | < 300 ms (95% of reading) | | Spectral Response | 8 to 14 microns | | Emissivity | 0.10 to 1.00 | |
| Optical Resolution | | Fluke 62 MAX | 10:1 (calculated at 90% energy) | | Fluke 62+ MAX | 12:1 (calculated at 90% energy) | |
| Display Resolution | |
| Repeatability of Readings | | Fluke 62 MAX | ±0.8% of reading or | |