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Ametek Jofra CTC Range

The CTC Series provides portability and ease-of-use at a reasonable cost, without sacrificing accuracy, performance, or features. The CTC Series also features dual zone temperature control which provides excellent temperature homogeneity in the well.

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CTC Carrying Case
CTC External Probe

Jofra CTC Range

Ametek Industrial Temperature Calibrator
Wide Temperature Range

CTC-155          -25 to 155°C / -13 to 311°F
CTC-320           28 to 350°C / 82 to 662°F
CTC-650           28 to 660°C / 82 to 1220°F

Best in Class Industrial Calibrator

The new generation of the CTC temperature calibrator has improved the accuracy with as much as 25%. This makes it the most accurate industrial class temperature calibrator on the market.

Wide Temperature Range

The CTC series covers a wide temperature range from -25 to 660°C (-13 to 1220°F). This makes itsufficent to cover almost all standard industrial temperature calibration applications.

Fast calibration

All our Jofra temperature calibrators feature a purpose-dedicated temperature regulator. This provides a very fast heating and cooling time as well as a short stabilization time. Performing a three point temperature calibration procedure is fast and saves time.

External reference sensor

All our C Models are designed with a signal input for an external reference sensor. The sensor makes it possible to improve accuracy even more. Our new range of external reference sensors have been developed to match each of the new CTC’s.

External Sensor Control

The CTC can be run in two modes when using the external reference sensor. “External ref” mode is where the external reference sensor represents the True value. The “Set follows True” mode is where the reference sensor serves two purposes;measuring the reference temperatue and at the same time controlling the block temperature to the set temperature.

Easy to carry

The CTC series is designed for both on-site and maintenance shop calibration. We have focused on great portability in regard of size and weight. The calibrator is lightweight and easy to carry and with a handle placed away from the heat-zone.

The CTC Series portable temperature calibrator is a fast, time-saving, reliable dry block temperature calibrator designed for on-site use. The large color display is easy-to-read and provides icons and information regarding the status of the calibrator and the calibration in process. Popular functions like automatic switch test and auto stepping are available with special one-key-one-function buttons.

Speed, portability, cleanliness, and wide temperature range are all superior over liquid bath systems.

  • Temperature range from -25 to 1205°C (-13 to 2201°F) with 6 models
  • Accuracy to ± 0.2°C and Stability to ± 0.04°C
  • Lightweight and easy to carry
  • Multi-hole and/or insert kits
  • Input for external reference sensor on all C models
  • MVI circuitry ensures stability despite mains supply variations
  • Rugged, portable temperature calibrator
CTC Complete Set
CTC Case

Selection Guide

JOFRA CTC 155 JOFRA CTC 350 JOFRA CTC 660
RANGE -25 to 155°C /
-13 to 311°F
28 to 350°C /
82 to 662°F
28 to 660°C /
82 to 1220°F
STABILITY ±0.04°C ±0.05°C ±0.08°C
ACCURACY (WITH EXTERNAL REFERENCE) ±0.2°C ±0.25°C ±0.45°C
HEATING TIME (APPROXIMATELY) 23 to 155°C / 73 to 311°F ~ 13 mins
23 to 350°C / 73 to 662°F ~ 6 mins 23 to 660°C / 73 to 1220°F ~ 18 mins
COOLING TIME 155 to 23°C / 311 to 73°F ~ 12 mins
23 to -25°C / 73 to -13°F ~ 16 mins
350 to 100°C / 662 to 212°F ~ 18 mins
100 to 50°C / 212 to 122°F ~ 13 mins
660 to 100°C / 1220 to 212°F ~ 39 mins
100 to 50°C / 212 to 122°F ~ 18 mins
WELL SIZES 1x 3.0mm
2x 4.0mm
1x 5.0mm
1x 6.0mm
1x 9.0mm
1x 3.0mm
2x 4.0mm
1x 5.0mm
1x 6.0mm
1x 9.0mm
1x 3.0mm
2x 4.0mm
1x 5.0mm
1x 6.0mm
1x 9.0mm
PHYSICAL DIMENSIONS
L x W x H
248 x 148 x 305 mm /
9.76 x 5.83 x 12.01 in
248 x 148 x 305 mm /
9.76 x 5.83 x 12.01 in
248 x 148 x 305 mm /
9.76 x 5.83 x 12.01 in
WEIGHT 5.5 kg / 12.1 lb 5 kg / 11 lb 6.1 kg / 13.4 lb
CERTIFICATE PROVIDED Traceable Traceable Traceable
DATASHEET Download here Download here Download here