Ametek Jofra PTCt-125 Series Dry Block Temperature Calibrator
Designed for applications requiring calibration in the lower temperature range, including sub‑zero conditions and controlled environments.
Overview
Features
- Temperature range:
- -130 to 257°F @ ambient temp. 0°C /32°F
- -130 to 257°F @ ambient temp. 23°C /73°F
- -99 to 257°F @ ambient temp. 40°C /104°F
- 32 to 104°F operating temperature
- ±0.25°C / ±0.45 °F accuracy with internal reference sensor
- ±0.02 °C / ±0.04 °F stability
- Touchscreen user interface with configurable views
- Built-in automation features such as Auto Step and switch testing
Description
The Ametek Jofra PTCt-125 Series Dry Block Temperature Calibrator is a dry-block temperature calibrator designed for laboratory and field calibration of temperature sensors across a range of -130°F to 257°F at standard ambient conditions.
The PTCt-125 is offered in three model versions with differing input capabilities. Model A is a basic unit without sensor input, Model C adds a reference sensor input, and Model B (the fullest configuration) adds both reference and sensor-under-test inputs, supporting RTD, thermocouple, and 4-20 mA transmitter measurements. Model B's RTD sensor-under-test input accommodates a range of standard curves (including Pt100, Pt500, Pt1000, and others) and provides a 24VDC transmitter supply along with switch testing for dry contacts.
Calibration inserts are sold separately.
Need Help? Call a Calibration engineer at 1-800-884-4967
We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET
