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CTC Compact Temperature Calibrator

CTC Series New Generation
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 5 models
• Accuracy to ± 0.2°C and Stability to ± 0.04°C
• Calibrate Long Sensors with the CTC-652s 190 mm immersion depth
• 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


  • Documentation +

  • Video +

    ProductVideoMessage

    • Introducing the new CTC Series
      Introducing the new CTC Series

      Engineered for “advanced simplicity”, incorporating a number of useful features that greatly extend the range and functionality of the popular temperature calibrator

    • CTC-Innovative-Icon-Set

      The CTCs innovative icon set gives you quick feedback to the current status of a temperature calibrator. This Gives you the flexibility to complete other tasks while the calibrator is reaching stability.

    • CTC Series Hold and Cold Icons

      With the full color display found on the CTC calibrator, our color icons provide the user with quick indications if an insert is too hot or cold to be handled.

  • Application Notes +

    • Gas Industry Measurement

      AMETEK STC has a variety of products designed specifically for the natural gas industry.

    • Temperature Calibration UHT Milk Production
      Temperature Calibration in UHT Milk Production

      The CTC-156B is used to calibrate sensors used in UHT milk production.

    • steel processing temperature sensor calibration
      Controlling Furnace Temperatures

      The CTC-1205 is designed to calibrate high temperature sensors used in steel processing.

  • Options +

      • CTC-155 A -25 to 155°C (-13 to 311°F)
      • CTC-155 C -25 to 155°C (-13 to 311°F)
      • CTC-350 A 28 to 350°C (82 to 662°F)
      • CTC-350 C 28 to 350°C (82 to 662°F)
      • CTC-652 28 to 650°C (82 to 1202°F)
      • CTC-660 A 28 to 660°C (82 to 1220°F)
      • CTC-660 C 28 to 660°C (82 to 1220°F)
      • CTC-1205 100 to 1205°C (212 to 2201°F)
      • 115 115VAC Power Supply
      • 230 230VAC Power Supply
      • Power 9 Different Mains Power Cable Types
      • Inserts Undrilled, Single Hole, and Multi Hole Options available
      • F Traceable certificate
      • H ISO17025 Accredited Certificate
      • C Carrying case

  • Accessories +

      • 125002 Edgeport converter with 4 RS232 ports
      • 125068 Support rod set for sensors (2 grips and 2 fixtures)
      • 125066 Extra fixture for sensor grip
      • 125067 Extra sensor grip
      • 123408 Carrying Case (A models)
      • 123409 Carrying Case (B models and CTC-1200 A)
      • 123469 Set of insulation plugs (3 pieces)
      • 122832 Cleaning Brushes (4 mm; package of 3)
      • 60F174 Cleaning Brushes (6 mm; package of 3)
      • 122822 Cleaning Brushes (8 mm; package of 3)
      • 105173 Set of Insulation Plates (10 pieces)
      • 104216 Thermal Protection Shield

  • Software +

    • JofraCal

      JofraCal (Free) - Calibration software for easy calibration of RTDs, thermocouples, transmitters, thermo switches, pressure gauges, and pressure switches.

  • Firmware +

    • CTC Firmware

      CTC Firmware (Free) - Click on the above headline and download the latest CTC firmware (32 or 64 Bit).

  • Release Notes +

      • Version 1.41 02-Mar-22. Fixed: 1) An internal calibration error and saving for the ITS-90 coefficients (ITS-90 or CVD).
      • Version 1.38 07-Sep-20. Fixed: 1) An issue where heater models occasionally could stop heating without an error message, 2) Improved calibrator health and safety check algorithms.
      • Version 1.36 21-Feb-20. Fixed: 1) An issue where the SET temperature limits did not convert correctly to a user defined temperature unit.
      • Version 1.35 11-Dec-19. Fixed: 1) An issue related to the external adjustment of the CTC-1205, 2) A calibration coefficient error message problem when replacing PCB, 3) Update to configuration of external reference CJC-parameters for CTC-1205.
      • Version 1.34 06-Nov-19. Fixed: 1) Probe parameters of external RTD sensors are no longer reset after updating the calibration date, 2) An issue with probe parameter 4 updates, 3) Incorrect calcuation of the logarithmic mapping of a defined interval for compressed floating point values, 4) Internal adjustment of CTC-1205 issue.
      • Version 1.0.1.33 24-May-19. Corrected CTC-C models error that displayed after selecting External ref. asTrue-reference. Added a Heater test routine for the CTC-1205.
      • Version 1.0.1.22 27-Mar-18. Added support firmware version 1.22.