PTCt Series (Professional Temperature Calibrators)

The PTCt Series is a professional dry-block temperature calibrator designed for fast, accurate, and reliable temperature calibration in both laboratory and field environments. Featuring an intuitive touchscreen interface, advanced automation, and a wide temperature range, the PTCt Series delivers consistent performance for calibrating RTDs, thermocouples, temperature transmitters, and switches across a variety of industries.

Features

  • Wide temperature range from –90°C to 660°C

  • High accuracy and excellent stability

  • Intuitive touchscreen operation

  • Fast heating and cooling performance

  • Auto Step function for automated calibration

  • USB, Ethernet, and optional Wi-Fi connectivity

  • Remote monitoring and control (Option RG)

  • Suitable for laboratory and field applications

Specifications

Category

Specification

Temperature range

- 90 to 125°C/-130 to 257°F - PTCt 125

-30 to 155°C / -13 to 311°F - PTCt 155

33 to 350°C / 91 to 662°F – PTCt 350

33 to 425°C/91 to 797°F – PTCt 425

33 to 660°C/91 to 1220°F – PTCt 660

Accuracy

±0.07°C to ±0.15°C (depends on model) - PTCt 125/155/350/425/660

Stability

±0.03°C / ±0.054°F - PTCt 125

±0.01°C / ± 0.018°F - PTCt 155

±0.02°C / ±0.036°F - PTCt 350/425

±0.04°C / ±0.072°F - PTCt 660

Resolution (user-selectable)

1° or 0.1° or 0.01° - PTCt 125/155/350/425/660

Heating time

13 - 15minutes (Depending on Temperature Ranges) – PTCt 125

4 - 12minutes (Depending on Temperature Ranges) – PTCt 155

7 minutes (Depending on Temperature Ranges) – PTCt 350

10 minutes (Depending on Temperature Ranges) – PTCt 425

20 minutes (Depending on Temperature Ranges) – PTCt 660

Cooling time

30 – 75 mins (Depending on Temperature Ranges) – PTCt 125

10 – 20 mins (Depending on Temperature Ranges) – PTCt 155

12 - 19 mins (Depending on Temperature Ranges) – PTCt 350

16 – 25 mins (Depending on Temperature Ranges) – PTCt 425

15 – 36 mins (Depending on Temperature Ranges) – PTCt 660

Time to stability

10 minutes – PTCt 125/155/350/425/660

Immersion depth

190 mm / 6.3 in – PTC 125

160 mm / 6.3 in – PTC 155

140 mm / 5.5 in – PTC 350

150 mm / 5.91 in – PTC 425/660