| | Thomas No. 1170C21 | Thomas No. 1170C22 |
| Probe Temperature Range | –90.00 to 105.00°C (–130.00 to 221.00°F) | –90.00 to 105.00°C (–130.00 to 221.00°F) |
| Probe Temperature Resolution | 0.01° | 0.01° |
| Probe Temperature Accuracy | ±0.1°C | ±0.1°C |
| # of Probes | 1 | 1 |
| Included Probe | Platinum RTD sensors, 1 stainless-steel 316 Probe | Platinum RTD sensors, 2 stainless-steel 316 Probe |
| Cable Length | 10' | 10' |
| Cal Points | -80, -40, 0, and 100°C | -80, -40, 0, and 100°C |
| Temp MIN/MAX Memory | Y | Y |
| Probe Temperature Resolution | Y | N |
| Average (Y/N) | N | N |
| Difference (Y/N) | N | Y |
| Data Logging | Y | Y |
| LCD Digit Size | 1/2 in | 1/2 in |
| Dimensions | 2-3/4"x4-1/4"x3/4" | 2-3/4"x4-1/4"x3/4" |
| Weight | 5 ounces | 5 ounces |
| A/C Plug (Y/N) | Y(Included) | Y(Included) |
| Traceable | Y | Y |
| CE Marked | Y | Y |
| Supplied With | batteries, universal adapter, stand, Velcro®, magnetic strips, wall mount, Traceable® Certificate, batteries | batteries, universal adapter, stand, Velcro®, magnetic strips, wall mount, Traceable® Certificate, batteries |
| Probe Temperature Resolution | Y | |