Ametek Calibration Instruments-Compact Temperature Calibrator ( Model:CTC Series)

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The CTC series is designed for both on-site and maintenance shop use. The applications are generally critical process control but can vary based on calibration and testing requirements. The user interface is easy and intuitive. One-key-one-function gives quick access to timesaving features such as the switch test or the auto-stepping function. The JOFRA CTC series consists of six different models that differ in temperature ranges and immersion depths. All models feature a large, backlit LCD display panel, which is easy-to-read even in well-lit areas. Units feature an informative display that provides icons and information regarding the status of the CTC and the calibration in progress.

CTC-320 and CTC-650 are exceptionally fast and have deep immersion depths of 200 mm (7.9 in). The CTC-320 A heats up to maximum temperature in just 4 minutes and the CTC-650 A in just 10 minutes. The fast performance of the heating block is due to a special profile that minimizes the mass, but still contains a 26 mm (1 in) insertion tube. The design is a balanced compromise between temperature stability / homogeneity and fast heating / cooling.

The CTC-1200 A calibrator covers the temperature scale in the high range from 300 to 1205°C (572 to 2200°F) having an excellent stability of 0.1°C (0.18°F). The calibrator heats up very quickly and combining this ability with the standard auto stepping function makes it a very timesaving calibrator. Sensors tested by the CTC-1200 A are immersed 110 mm (4.3 in) into the insert to ensure that the whole thermo-sensitive part of the sensor is exposed to the required temperature.

Models and temperature ranges
CTC-140 A -17 to 140°C (-1 to 284°F)
CTC-320 A 33 to 320°C (91 to 608°F)
CTC-320 B 33 to 320°C (91 to 608°F)
CTC-650 A 33 to 650°C (91 to 1202°F)
CTC-650 B 33 to 650°C (91 to 1202°F)
CTC-1200 A 300 to 1200°C (572 to 2200°F)

Features for the CTC

  • Interchangeable inserts
  • Multi-hole insertion tubes
  • MVI Mains Variance Immunity
  • Automatic switch test
  • RS232 and JOFRACAL calibration software
  • Multi information display
  • Safty banana bushings
  • Auto stepping
  • Stability indicator
  • Count down timer (shows when unit is stable)
  • Programmable maximum temperature
  • Fast simulation/training mode
  • Re-calibration from keyboard
Selection guide CTC Series

CTC-140 A

CTC-320 A

CTC-320 B CTC-650 A

CTC-650 B

CTC-1200 A

Temperature range @ ambient 23°C / 73°F

-17 to 140°C
(-1 to 284°F)
33 to 320°C 
(91 to 608°F)
33 to 320°C
(91 to 608°F)
33 to 650°C
(91 to 1202°F)
33 to 650°C
(91 to 1202°F)
300 to 1200°C
(572 to 2200°F)
Heating time 15 min. 4 min. 10 min. 20 min. 39 min. 45 min.
Accuracy 0.4°C (0.7°F) 0.5°C (0.9°F) 0.5°C (0.9°F) 0.9°C (1.6°F) 0.6°C (1.1°F) 2.0°C (3.6°F)
Stability 0.05°C (0.09°F) 0.1°C (0.18°F) 0.1°C (0.18°F) 0.1°C (0.18°F) 0.05°C (0.09°F) 0.1°C (0.18°F)
Immersion depth 115 mm (4.5 in.) 110 mm (4.3 in.) 190 mm (7.5 in.) 110 mm (4.3 in.) 190 mm (7.5 in.) 110 mm (4.3 in.)
Insert diameter 19 mm (3/4 in.) 26 mm (1 in.) 26 mm (1 in). 26 mm (1 in.) 26 mm (1 in.) 27 mm (1 in.)

Resource & Download

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