Products
Temperature Measurement
Ametek | Jofra
RTC
Reference Temperature Calibrator
Temperature range from -100 to 700°C (-148 to 1292°F) with 7 models
Accuracy to ± 0.04°C and Stability to ± 0.005°C
Dry block and liquid bath / dry block combined
Time saving fast cooling and heating times
Contamination free calibration of clamp sensors
“Plug and Play” intelligent reference sensor
Easy-to-read color display with User-friendly navigation
Lightweight and easy to carry
Multi-hole insert kits
JofraCal Calibration Software
Inputs for Thermocouple Calibration
RTC
Reference Temperature Calibrator
| RTC 156 | Temperature range | -30 to 155°C / -22 to 311°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.04°C / ± 0.07°F with internal reference sensor: ± 0.10°C / ± 0.18°F |
|
| Stability | ± 0.005°C / ± 0.009°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | 30 to 23°C / -22 to 73°F. . . . . . . . . . . . . 4 minutes
23 to 155°C / 73 to 311°F . . . . . . . . . . . 15 minutes |
|
| Cooling time | 155 to 100°C / 311 to 212°F . . . . . . . . . . 4 minutes 100 to 23°C / 212 to 73°F . . . . . . . . . . . . 8 minutes 23 to -24°C / 73 to -11°F . . . . . . . . . . . . 15 minutes -24 to -30°C / -11 to -22°F . . . . . . . . . . . 10 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 160 mm / 6.3 in |
| RTC 157 | Temperature range | -45 to 155°C / -49 to 311°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.04°C / ± 0.07°F with internal reference sensor: ± 0.10°C / ± 0.18°F |
|
| Stability | ± 0.005°C / ± 0.009°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | -45 to 23°C /-49 to 73°F . . . . . . . . . . . . . 7 minutes 23 to 155°C / 73 to 311°F. . . . . . . . . . . . 17 minutes |
|
| Cooling time | 155 to 100°C / 311 to 212°F. . . . . . . . . . . 5 minutes 100 to 23°C / 212 to 73°F. . . . . . . . . . . . 10 minutes 23 to -30°C / 73 to -22°F. . . . . . . . . . . . . 17 minutes -30 to -45°C / -22 to -49°F. . . . . . . . . . . . 25 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 160 mm / 6.3 in |
| RTC 158 | Temperature range | -22 to 155°C/-8 to 311°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.04°C / ± 0.07°F with internal reference sensor: ± 0.18°C / ± 0.32°F (in insert) with internal reference sensor: ± 0.3°C / ± 0.54°F (in bath) |
|
| Stability | ±0.01°C / ±0.018°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | -22 to 23°C /-8 to 73°F. . . . . . . . . . . . . . . 9 minutes 23 to 100°C / 73 to 212°F. . . . . . . . . . . . 23 minutes 100 to 155°C / 212 to 311°F. . . . . . . . . . 28 minutes |
|
| Cooling time | 155 to 100°C / 311 to 212°F. . . . . . . . . . . 9 minutes 100 to 23°C / 212 to 73°F. . . . . . . . . . . . 24 minutes 23 to 0°C / 73 to 32°F. . . . . . . . . . . . . . . 15 minutes 0 to -15°C / 32 to 5°F. . . . . . . . . . . . . . . 21 minutes |
|
| Time to stability | 15 minutes | |
| Immersion Depth | Insert Hole version : 180 mm / 7.1 in Bath version : 150 mm / 5.9 in |
| RTC 159 | Temperature range | -100 to 155°C / -148 to 311°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C) : ± 0.06°C / ± 0.11°F with internal reference sensor: ± 0.30°C / ± 0.54°F |
|
| Stability | ± 0.03°C / ± 0.054°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | -100 to 23°C / -148 to 73°F. . . . . . . . . . . . . . 12 minutes 23 to 155°C / 73 to 311°F. . . . . . . . . . . . . . . 14 minutes |
|
| Cooling time | 155 to 23°C / 311 to 73°F. . . . . . . . . . . . . . . 40 minutes 23 to -80°C / 73 to -112°F. . . . . . . . . . . . . . . 65 minutes -80 to -90°C / -176 to -130°F. . . . . . . . . . . . . 20 minutes -90 to -100°C / -194 to -148°F. . . . . . . . . . . . 50 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 190 mm/6.3 in |
| RTC 250 | Temperature range | 28 to 250°C/82 to 482°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C) : ± 0.07°C / ± 0.13°F with internal reference sensor: ± 0.28°C / ± 0.50°F (in insert) with internal reference sensor: ± 0.5°C / ± 0.90°F (in bath) |
|
| Stability | ± 0.02°C / ± 0.036°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | 28 to 100°C / 82 to 212°F. . . . . . . . . . . . 3 minutes 50 to 100°C / 122 to 212°F. . . . . . . . . . . 2 minutes 100 to 250°C / 212 to 482°F. . . . . . . . . . 9 minutes |
|
| Cooling time | 250 to 100°C / 482 to 212°F. . . . . . . . . . 27 minutes 100 to 50°C / 212 to 122°F. . . . . . . . . . . 27 minutes 50 to 28°C / 122 to 82°F. . . . . . . . . . . . 28 minutes |
|
| Time to stability | 15 minutes | |
| Immersion Depth | Insert Hole version : 180 mm / 7.1 in Bath version : 150 mm / 5.9 in |
| RTC 187 | Temperature range | -45 to 180° C/-49 to 356° F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C) : ± 0.04° C / ± 0.07° F with internal reference sensor: ± 0.12° C / ± 0.18° F |
|
| Stability | ± 0.005° C / ± 0.009° F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | -45 to 23° C /-49 to 73 °F . . . . . . . . . . . . . . . 7 minutes 23 to 100° C / 73 to 212° F. . . . . . . . . . . . . . 8 minutes 100 to 180° C / 212 to 356° F. . . . . . . . . . . . 9 minutes |
|
| Cooling time | 180 to 100 °C / 311 to 212° F . . . . . . . . . . . 8 minutes 100 to 23° C / 212 to 73° F . . . . . . . . . . . . . 11 minutes 23 to -30° C / 73 to -22° F. . . . . . . . . . . . . . 17 minutes -30 to -45° C / -22 to -49° F .. . . . . . . . . . . . 25 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 160mm / 6.3 in |
| RTC 700 | Temperature range | 33 to 700°C/91 to 1292°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.11°C / ± 0.2°F with internal reference sensor: ± 0.29°C / ± 0.52°F |
|
| Stability | @ 33 to 125ºC/91 to 257ºF : ±0.008°C/±0.015°F <br> @ 125 to 425ºC/257 to 797ºF : ±0.015ºC/±0.027ºF <br> @ 425 to 700ºC/797 to 1292ºF : ±0.02ºC/±0.036ºF | |
| Resolution (user-selectable) | 1°, 0.1°, 0.01° or 0.001° | |
| Heating time | 33 to 700°C / 91 to 1292°F . . . . . . . . . . . . . 45 minutes | |
| Cooling time | 700 to 100°C / 1292 to 212°F . . . . . . . . . . . 43 minutes 100 to 50°C / 212 to 122°F . . . . . . . . . . . . . 17 minutes 50 to 33°C / 122 to 91°F . . . . . . . . . . . . . . . 20 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 200 mm / 7.9 in |