Products
Temperature Measurement
Ametek | Jofra
PTC
Professional Temperature Calibrator
Temperature range from -90 to 660°C (-130 to 1220°F) with 5 models
Accuracy to ± 0.06°C and Stability to ± 0.01°C
Clean Dry block calibrator
Time saving fast cooling and heating times (350° in only 7 minutes)
“Plug and Play” intelligent reference sensor
Easy-to-read color display
Intuitive, fast, user-friendly navigation
Lightweight and easy to carry
Multi-hole insert kits
JofraCal Calibration Software
Inputs for Thermocouple Calibration
PTC
Professional Temperature Calibrator
| PTC 125 | Temperature range | -90 to 125°C/-130 to 257°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.07°C / ± 0.13°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 | -90 to 23°C /-130 to 73°F. . . . . . . . . . . . . 15 minutes 23 to 125°C / 73 to 257°F. . . . . . . . . . . . . 13 minutes |
|
| Cooling time | 125 to 23°C / 257 to 73°F. . . . . . . . . . . . . 40 minutes 23 to -80°C / 73 to -112°F. . . . . . . . . . . . . 75 minutes -80 to -90°C / -112 to -130°F. . . . . . . . . . . 30 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 190mm / 6.3 in |
| PTC 155 | Temperature range | -250 to 155°C / -13 to 311°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.06°C / ± 0.11°F with internal reference sensor: ± 0.18°C / ± 0.32°F |
|
| Stability | ± 0.013°C / ± 0.018°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001 | |
| Heating time | -25 to 23°C /-13 to 73°F . . . . . . . . . . . . . 4 minutes 23 to 155°C / 73 to 311°F. . . . . . . . . . . . 12 minutes |
|
| Cooling time | 155 to 23°C / 311 to 73°F. . . . . . . . . . . . 10 minutes 23 to -25°C / 73 to -13°F. . . . . . . . . . . . . 15 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 160 mm / 6.3 in |
| PTC 350 | Temperature range | 33 to 350°C / 91 to 662°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.08°C / ± 0.15°F with internal reference sensor: ± 0.2°C / ± 0.36°F |
|
| Stability | ± 0.02°C / ± 0.036°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001 | |
| Heating time | 33 to 350°C / 91 to 662°F. . . . . . . . . . . . 7 minutes | |
| Cooling time | 350 to 100°C / 662 to 212°F. . . . . . . . . . 12 minutes 100 to 50°C / 212 to 122°F. . . . . . . . . . . 12 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 140 mm / 5.5 in |
| PTC 425 | Temperature range | 33 to 425°C/91 to 797°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.13°C / ± 0.23°F with internal ref. sensor @ 33 to 350°C : ± 0.20°C / ± 0.36°F with internal ref. sensor @ 350 to 425°C : ± 0.25°C / ± 0.45°F |
|
| Stability | ± 0.02°C / ± 0.036°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | 33 to 425°C / 91 to 797°F. . . . . . . . . . . . 10 minutes | |
| Cooling time | 425 to 100°C / 797 to 212°F. . . . . . . . . . 25 minutes 100 to 50°C / 212 to 122°F. . . . . . . . . . . 16 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 150 mm / 5.91 in |
| PTC 660 | Temperature range | 33 to 660°C/91 to 1220°F |
|---|---|---|
| Accuracy | with external STS ref. sensor (model B & C): ± 0.15°C / ± 0.27°F with internal ref. sensor @ 33 to 420°C : ± 0.30°C / ± 0.54°F with internal ref. sensor @ 420 to 660°C : ± 0.50°C / ± 0.54°F |
|
| Stability | ± 0.04°C / ± 0.072°F | |
| Resolution (user-selectable) | 1° or 0.1° or 0.01° or 0.001° | |
| Heating time | 33 to 660°C / 91 to 1220°F. . . . . . . . . . . . 20 minutes | |
| Cooling time | 660 to 100°C / 1220 to 212°F. . . . . . . . . . 36 minutes 100 to 50°C / 212 to 122°F. . . . . . . . . . . . 15 minutes |
|
| Time to stability | 10 minutes | |
| Immersion Depth | 150 mm / 5.91 in |