TI-260/TI320/TI500/TI760 | TID -420/TID-620 | TIP-1200 | PT-1800/PT-3000 | |
Temperature range | -20 ~ 260 ℃ -40 ~ 500 ℃ -40 ~ 320 ℃ -40 ~ 760 ℃ | -20 ~ 420 ℃ /-20 ~ 620 ℃ | -25 ~ 1200 ℃ | 400 ~ 1800 ℃ 500 ~ 3000 ℃ |
Allowance | 2 ~ 3 %or 2 ~ 3 ℃ choose max value | 1 % or 1 ℃ choose max value | 1 % or 1 ℃ choose max value | |
Repeatability | 2 ℃ | 1 % or 1 ℃
| 0.5 % or 0.5 ℃ | 0.5 % or 0.5 ℃ |
Optical resolution | 6:1/10:1/12:1 | 12:1/20:1 | 80:1 | 120:1 |
Emissivitity | Fixed / adjustable | 0.95/0.1 ~ 1.0 adjustable | 0.15 ~ 1.00 | 0.10 ~ 1.0 |
Display resolution | 1 ℃ or 1 ℉ | 1 ℃ or 1 ℉ | 1 ℃ or 1 ℉ | 1 ℃ or 1 ℉ |
√ | √ | √ | √ | |
high,low temperature alarm | -/ √ | -/ √ | -/ √ | -/ √ |
max min average value display | -/ √ | -/ √ | -/ √ | -/ √ |
Power supply | 9V battery | 9V battery | 9V battery | 9V battery |
Dimension | 160X79X46mm | 165X105X30mm | 180X170X50mm | 185X200X50mm |
℃ / ℉ convert | Yes | Yes | Yes | |
Aiming mode | Single laser | Single laser /coaxial laser | telescope | |
Optional | Leather case / wrist strap / external temperature measuring rod | / battery |