| What temperature range do you need to measure? | -200 °C to +1372 °C (-328 °F to +2502 °F) | 500 °C (+932 °F) | |
| Do you need more than 1 % 1 °C (2 °F) accuracy? | | | |
| Do you need to download data for analysis and reporting? | | | |
| Do you need on-board memory for trending and comparison? | | | |
| Will you do any hands-free, real-time temperature monitoring with a PC? | | | |
| Will you be measuring objects 200 °C (400 °F), moving, uncontaminatable, energized objects or difficult to reach objects? | | | |