Ametek - Jofra CTC660 Dry Block Calibrator

Ametek CTC660 Compact Temperature Calibrator

Order #: CTC660

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Special Price $4,038.11 Regular Price $4,163.00

Ametek - Jofra CTC660 Dry Block Calibrator

Ametek CTC660 Compact Temperature Calibrator

Order #: CTC660

Special Price $4,038.11 Regular Price $4,163.00

The Ametek Jofra CTC Series 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 With the use of the optional external reference probe, this is the most accurate industrial class temperature calibrator on the market. CTC Series is available in three versions. The CTC660 handles temperatures ranging from 28° to 660°C (82° to 1220°F).

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Product Highlights

  • Temperature range from -25 to 1205°C (-13 to 2200°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

Each Unit Includes

  • CTC dry-block calibrator (user specified)
  • Mains power cable (user specified)
  • Traceable certificate - temperature performance
  • Tool for insertion tubes
  • User manual
  • Test cables (1 x red, 1 x black)
  • USB cable
  • JofraCal calibration software
  • CTC-660 includes a Heat Shield

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Temperature Specifications
Temperature Range
Range 28 to 660°C / 82 to 1220°F
Lowest calibration temperature ambient +5°C / 41°F
CTC-660 with internal ref. sensor ±0.85°C /±1.53°F
CTC-660 with STS-120 ±0.45°C /±0.81°F
Stability ±0.08°C / ±0.14°F
Radial Homogeneity (difference between holes) 0.1°C / 0.18°F
Resolution 1 or 0.1 or 0.01
Units °C or °F or K
Heating Time
23 to 660°C / 73 to 1220°F 18 minutes
Cooling Time
660 to 100°C / 1220 to 212°F 39 minutes
100 to 50°C / 212 to 122°F 18 minutes
Time to Stability (typical) 5 minutes
Mains Power Specifications
Voltage 115 V (90-127) / 230 V (180-254)
Max Power Consumption 1150 VA
Frequency, US deliveries 60 Hz ±3
Frequency, non US deliveries 50 Hz ±3, 60 Hz ±3
Physical Specifications
Dimensions LxWxH 248x148x305 mm / 9.761x5.83x12.01 in
Weight 6.1 kg / 13.4 lb
Immersion Depth 115 mm / 4.53 in
Well diameter 26 mm / 1.02 in
Insert Dimensions (diameter x length) 25,7 mm x 120 mm / 1.01 x 4.72 in
Electrical Specifications
Switch Input (dry contact)
Test Voltage Maximum 14 VDC
Test Current Maximum 1 mA
Digital Interface USB 2.0
Environmental Specifications
Operating Temperature 0 to 50°C / 32 to 122°F
Storage Temperature -20 to 50°C / -4 to 122°F
Humidity 5 to 90% Rh, non-condensing
Protection Class IP-10
External reference sensor
STS-120-A-966 0 to 660°C /32 to 1220°F
Hysteresis (@ 0°C / 32°F) 0.01°C / 0.018°F
Long Term Stability (@ 0°C / 32°F) 0.014°C / 0.025°F
Repeatability 0.004°C/ 0.007°F
Sensing Element Type PT100
Response Time
STS-120-A: t0.5 (50%) 8 sec.
STS-120-A: t0.9 (90%) 26 sec.
Diameter 4 mm / 0.157 in
Length 151 mm / 5.96 in
Max. height over calibrator top 25 mm / 0.94 in
All products in this series