The AMETEK CTC-660 is a compact dry block temperature calibrator designed for reliable, efficient and accurate temperature sensor calibration in industrial environments, calibration laboratories and field service applications.
With a temperature range from 28 °C to 660 °C, temperature stability of ±0.08 °C at 660 °C and fast heating performance, the AMETEK CTC-660 provides an efficient solution for demanding temperature calibration applications.
The instrument combines advanced temperature control technology with a compact and lightweight design. It is particularly suitable for calibrating resistance temperature detectors, Pt100 sensors, thermocouples, temperature switches and industrial temperature measurement systems.
The AMETEK CTC-660 features a large color display, interchangeable calibration inserts, automatic temperature stepping and an integrated USB communication interface.
Depending on the selected configuration, the calibrator can also be used with an external reference thermometer to improve calibration accuracy.
With a weight of only 6.1 kg, the AMETEK CTC-660 is particularly suitable for mobile calibration applications.
europascal supports customers with professional temperature calibration equipment, technical advice and calibration services.
For professional calibration and metrological traceability, visit the europascal Calibration Service.
Your Benefits at a Glance
The AMETEK CTC-660 combines reliable temperature calibration performance with compact construction and convenient operation.
Its main advantages include:
- Temperature range from 28 °C to 660 °C
- Temperature stability of ±0.08 °C at 660 °C
- Internal reference accuracy of ±0.85 °C at 660 °C
- Accuracy of ±0.45 °C at 660 °C with the specified external reference sensor
- Radial temperature homogeneity of 0.1 °C at 660 °C
- Fast heating from 23 °C to 660 °C in approximately 18 minutes
- Cooling from 660 °C to 100 °C in approximately 39 minutes
- Typical stabilization time of 5 minutes
- Interchangeable calibration inserts
- Calibration well diameter of 26 mm
- Immersion depth of 115 mm
- Large color display
- Automatic temperature stepping
- Automatic temperature switch testing
- USB 2.0 communication interface
- MVI technology for reduced sensitivity to mains voltage variations
- Optional external reference thermometer input
- Compatible with JofraCal calibration software
- Compact construction
- Lightweight design weighing approximately 6.1 kg
- Suitable for laboratory and field calibration
Ideal for Demanding Calibration Applications
The AMETEK CTC-660 is designed for applications requiring reliable temperature calibration at elevated temperatures.
Its wide temperature range makes it suitable for numerous industrial measurement tasks.
Typical applications include the calibration of Pt100 sensors, thermocouples, industrial thermometers and temperature switches.
The compact design allows the instrument to be transported between different measurement locations.
This makes it particularly useful for maintenance technicians, service engineers and calibration specialists.
The AMETEK CTC-660 can also be used in calibration laboratories for routine temperature sensor verification.
Its fast heating and cooling performance helps reduce waiting times during multi-point calibration procedures.
The integrated automatic stepping function allows predefined temperature sequences to be performed with reduced manual intervention.
Temperature Range up to 660 °C
The AMETEK CTC-660 provides a temperature calibration range from:
28 °C to 660 °C
The minimum achievable temperature is approximately 5 °C above ambient temperature.
The specified range applies under the manufacturer’s defined operating conditions.
Typical calibration temperatures include:
- 50 °C
- 100 °C
- 150 °C
- 200 °C
- 300 °C
- 400 °C
- 500 °C
- 600 °C
- 660 °C
The wide temperature range allows users to calibrate sensors used in industrial heating systems, process equipment and thermal monitoring applications.
For accurate calibration results, the temperature must be allowed to stabilize before measurements are recorded.
High Temperature Accuracy
The AMETEK CTC-660 provides different accuracy specifications depending on the reference thermometer configuration.
Accuracy with Internal Reference
The manufacturer specifies the following values:
| Temperature | Accuracy |
|---|---|
| 200 °C | ±0.65 °C |
| 400 °C | ±0.75 °C |
| 660 °C | ±0.85 °C |
These specifications describe the temperature accuracy when using the internal reference thermometer.
Accuracy with External Reference
The CTC-660C can be operated with a compatible external reference thermometer.
When using the specified STS-120-A-966 reference sensor, the manufacturer specifies:
| Temperature | Accuracy |
|---|---|
| 200 °C | ±0.40 °C |
| 400 °C | ±0.45 °C |
| 660 °C | ±0.45 °C |
The external reference thermometer measures the temperature within the calibration insert.
This allows more accurate comparison calibrations than relying exclusively on the internal temperature indication.
The stated values are manufacturer accuracy specifications under defined conditions.
They must not be confused with the expanded measurement uncertainty of an individual calibration certificate.
Excellent Temperature Stability
The AMETEK CTC-660 provides excellent temperature stability.
At 660 °C, the manufacturer specifies:
±0.08 °C
Temperature stability describes the variation of the calibration block temperature over time under defined operating conditions.
According to the manufacturer, stability is measured after the stability indicator has been active for 10 minutes, followed by a 30-minute measurement period.
Stable temperature conditions are essential for reliable comparison calibrations.
Temperature stability must be distinguished from absolute temperature accuracy.
Fast Heating Performance
The AMETEK CTC-660 provides fast heating performance.
The manufacturer specifies a typical heating time of:
18 minutes from 23 °C to 660 °C
This allows the instrument to reach its maximum calibration temperature quickly.
Fast heating is particularly useful when performing multi-point calibration procedures.
Short heating times help improve calibration efficiency and reduce equipment downtime.
The actual heating time depends on ambient conditions, sensor loading and the selected calibration insert.
Efficient Cooling Performance
The AMETEK CTC-660 also provides efficient cooling performance.
Typical cooling times include:
| Temperature Change | Cooling Time |
|---|---|
| 660 °C to 100 °C | 39 minutes |
| 100 °C to 50 °C | 18 minutes |
These cooling times allow calibration procedures involving both increasing and decreasing temperature sequences.
This is particularly useful when investigating temperature sensor hysteresis.
The actual cooling time depends on ambient conditions and thermal loading.
Short Stabilization Time
The AMETEK CTC-660 features a typical stabilization time of:
5 minutes
This value describes the stabilization behavior under the manufacturer’s specified conditions.
The temperature sensor being calibrated may require additional time to reach thermal equilibrium.
Large sensors or sensors with slow thermal response may need longer stabilization periods.
For demanding calibration procedures, stabilization should be verified using a suitable reference thermometer.
Excellent Radial Temperature Homogeneity
The AMETEK CTC-660 provides good radial temperature homogeneity.
The manufacturer specifies:
| Temperature | Radial Homogeneity |
|---|---|
| 400 °C | 0.03 °C |
| 660 °C | 0.1 °C |
Radial temperature homogeneity describes temperature differences between different calibration holes.
Good radial homogeneity is particularly important when calibrating several temperature sensors simultaneously.
It helps reduce temperature differences between the reference thermometer and the device under test.
The actual measurement uncertainty also depends on sensor geometry, immersion depth and thermal contact.
Interchangeable Calibration Inserts
The AMETEK CTC-660 uses interchangeable calibration inserts.
These allow temperature sensors with different diameters to be accommodated within the calibration block.
The manufacturer specifies the following dimensions:
| Specification | Value |
|---|---|
| Calibration well diameter | 26 mm |
| Insert outer diameter | 25.7 mm |
| Insert length | 120 mm |
| Immersion depth | 115 mm |
Different metric and imperial inserts are available.
Single-hole and multi-hole inserts allow the instrument to be adapted to different sensor geometries.
The appropriate insert should be selected according to the dimensions of the temperature sensor.
Good thermal contact between the sensor and insert helps minimize measurement errors.
Excessive clearance can increase temperature differences between the calibration block and the sensing element.
Compact Design
The AMETEK CTC-660 is designed for portable temperature calibration.
The instrument weighs approximately:
6.1 kg
Its dimensions are:
248 × 148 × 305 mm
This makes the calibrator suitable for transportation between laboratories and industrial measurement locations.
The compact construction also requires relatively little space on a laboratory workbench.
A protective carrying case is available as an accessory.
The case can be used to transport the calibrator, inserts, reference sensors and additional accessories.
Two Available Configurations
The AMETEK CTC-660 is available in two configurations.
AMETEK CTC-660A
The CTC-660A is the basic compact temperature calibrator.
It provides temperature generation and control using the internal temperature reference.
This configuration is suitable for applications where an external reference thermometer and readout are already available.
AMETEK CTC-660C
The CTC-660C includes an external reference thermometer input.
This allows the instrument to measure a compatible external reference sensor directly.
The external reference thermometer can be used to improve temperature calibration accuracy.
The CTC-660C is particularly suitable for comparison calibrations requiring better accuracy than the internal reference alone.
Neither configuration provides the comprehensive sensor-under-test measurement functions of the professional PTC-B models.
Intelligent Reference Sensors
The AMETEK CTC-660C supports compatible intelligent reference temperature sensors.
These sensors contain calibration information stored in an integrated memory chip.
When connected, the calibrator can recognize the sensor and retrieve its calibration coefficients.
This simplifies setup and reduces the risk of incorrect calibration coefficient entry.
The specified external reference sensor for the CTC-660 is the STS-120-A-966.
The reference thermometer measures the actual temperature within the calibration insert.
This allows the device under test to be compared directly with a traceable temperature reference.
MVI Technology
The AMETEK CTC-660 features MVI technology.
MVI stands for:
Mains Voltage Immunity
This technology helps maintain stable temperature control when the mains supply voltage varies.
Voltage fluctuations can influence the heating performance of conventional temperature calibrators.
MVI technology reduces the sensitivity of the calibration process to such variations.
This is particularly useful for field calibration applications where the electrical supply may not be as stable as in a laboratory.
Automatic Temperature Stepping
The AMETEK CTC-660 supports automatic temperature stepping.
The user can define temperature setpoints and holding times.
The calibrator then performs the programmed temperature sequence automatically.
This is particularly useful for repetitive calibration procedures.
Automatic stepping reduces manual intervention and helps improve efficiency.
The function is especially valuable when several temperature sensors must be checked at predefined calibration points.
Automatic Temperature Switch Testing
The AMETEK CTC-660 supports automatic temperature switch testing.
Temperature switches are widely used in industrial control systems.
They activate or deactivate electrical contacts when a defined temperature is reached.
The calibrator can generate controlled temperature changes while monitoring the switch contact.
This allows switching temperatures and hysteresis to be determined.
Automatic switch testing is particularly useful for maintenance and quality assurance applications.
USB Communication Interface
The AMETEK CTC-660 includes a USB 2.0 communication interface.
The interface allows communication with compatible calibration software.
The instrument can be integrated into computer-assisted calibration procedures.
This helps improve efficiency when performing repetitive calibration tasks.
USB communication also allows the instrument to be controlled remotely using suitable software.
Calibration Software
The AMETEK CTC-660 is compatible with JofraCal calibration software.
The software supports temperature calibration procedures and documentation.
It can be used to assist with calibration of RTDs, thermocouples and temperature switches.
Depending on the selected configuration and external measurement equipment, calibration data can be collected and evaluated.
Computer-assisted calibration helps improve repeatability and documentation.
Calibration of Pt100 and RTD Sensors
The AMETEK CTC-660 is particularly suitable for calibrating resistance temperature detectors.
Typical applications include:
- Pt100 calibration
- Pt1000 calibration
- Industrial RTD calibration
- Temperature probe verification
- Precision temperature measurement
The temperature sensor is inserted into a suitable calibration insert.
The calibration block generates a controlled temperature.
The indicated temperature of the device under test can then be compared with the reference temperature.
For demanding applications, the CTC-660C can be used with an external reference thermometer.
The complete measurement uncertainty must be evaluated according to the calibration procedure.
Calibration of Thermocouples
The AMETEK CTC-660 can also be used for thermocouple calibration.
Thermocouples are widely used in industrial applications requiring elevated temperatures.
The instrument provides a stable temperature environment for checking thermocouple measurement systems.
The thermocouple is inserted into the calibration block and allowed to stabilize.
Its indicated temperature can then be compared with the reference temperature.
For accurate thermocouple calibration, reference junction compensation and the measurement uncertainty of the readout must be considered.
Calibration of Temperature Switches
The AMETEK CTC-660 is suitable for checking industrial temperature switches.
Temperature switches are used to monitor and control industrial processes.
They activate or deactivate electrical contacts at defined temperatures.
The CTC-660 can generate controlled temperature changes to determine switching points.
The integrated switch testing function simplifies this procedure.
Switching hysteresis can also be investigated by increasing and decreasing the temperature.
Technical Highlights
The AMETEK CTC-660 provides the following key specifications:
Manufacturer: AMETEK
Model: CTC-660
Product Type: Compact Dry Block Temperature Calibrator
Temperature Range: 28 °C to 660 °C
Minimum Temperature: Ambient temperature +5 °C
Internal Accuracy at 660 °C: ±0.85 °C
External Reference Accuracy at 660 °C: ±0.45 °C
Temperature Stability at 660 °C: ±0.08 °C
Radial Homogeneity at 660 °C: 0.1 °C
Heating Time: 18 minutes from 23 °C to 660 °C
Cooling Time: 39 minutes from 660 °C to 100 °C
Typical Stabilization Time: 5 minutes
Calibration Well Diameter: 26 mm
Immersion Depth: 115 mm
Insert Length: 120 mm
Communication: USB 2.0
Power Supply: 115 V or 230 V AC version
Maximum Power Consumption: 1150 VA
Weight: 6.1 kg
Technical Specifications
| Specification | AMETEK CTC-660 |
|---|---|
| Manufacturer | AMETEK |
| Model | CTC-660 |
| Product type | Compact Dry Block Temperature Calibrator |
| Temperature range | 28 °C to 660 °C |
| Minimum temperature | Ambient +5 °C |
| Internal accuracy at 200 °C | ±0.65 °C |
| Internal accuracy at 400 °C | ±0.75 °C |
| Internal accuracy at 660 °C | ±0.85 °C |
| External reference accuracy at 200 °C | ±0.40 °C |
| External reference accuracy at 400 °C | ±0.45 °C |
| External reference accuracy at 660 °C | ±0.45 °C |
| Temperature stability at 660 °C | ±0.08 °C |
| Radial homogeneity at 400 °C | 0.03 °C |
| Radial homogeneity at 660 °C | 0.1 °C |
| Temperature resolution | 1 °C / 0.1 °C / 0.01 °C |
| Heating time, 23 °C to 660 °C | 18 minutes |
| Cooling time, 660 °C to 100 °C | 39 minutes |
| Cooling time, 100 °C to 50 °C | 18 minutes |
| Typical stabilization time | 5 minutes |
| Well diameter | 26 mm |
| Immersion depth | 115 mm |
| Insert outer diameter | 25.7 mm |
| Insert length | 120 mm |
| Calibration inserts | Interchangeable |
| Communication interface | USB 2.0 |
| External reference input | CTC-660C |
| Automatic temperature stepping | Yes |
| Automatic switch testing | Yes |
| Software | JofraCal |
| Operating temperature | 0 °C to 50 °C |
| Storage temperature | −20 °C to 50 °C |
| Relative humidity | 5–90% RH, non-condensing |
| Power supply | 115 V or 230 V AC version |
| Maximum power consumption | 1150 VA |
| Protection rating | IP10 |
| Dimensions | 248 × 148 × 305 mm |
| Weight | Approx. 6.1 kg |
AMETEK CTC-660 or PTC-660?
The AMETEK CTC-660 and AMETEK PTC-660 are both dry block temperature calibrators designed for applications up to 660 °C.
However, they are intended for different calibration requirements.
| Specification | AMETEK CTC-660 | AMETEK PTC-660 |
|---|---|---|
| Temperature range | 28 °C to 660 °C | 33 °C to 660 °C |
| Temperature stability | ±0.08 °C at 660 °C | ±0.04 °C |
| Internal reference accuracy | ±0.85 °C at 660 °C | ±0.30 °C |
| External reference accuracy | ±0.45 °C at 660 °C | ±0.15 °C |
| Calibration well | 26 mm | Professional calibration insert system |
| Main application | Routine field calibration | Higher-accuracy industrial calibration |
The AMETEK CTC-660 is particularly suitable for users requiring a compact, lightweight and efficient field calibrator.
The AMETEK PTC-660 is designed for applications requiring higher accuracy and additional measurement functionality.
Why Choose the AMETEK CTC-660?
The AMETEK CTC-660 combines a wide temperature range with compact construction and convenient operation.
Its temperature range from 28 °C to 660 °C covers numerous industrial applications.
Fast heating allows the instrument to reach 660 °C in approximately 18 minutes.
The compact design and low weight make it suitable for mobile calibration.
Interchangeable inserts accommodate temperature sensors with different diameters.
Automatic temperature stepping and switch testing help simplify routine calibration procedures.
The CTC-660C configuration provides an external reference thermometer input for improved accuracy.
MVI technology helps maintain stable temperature control when mains voltage varies.
For maintenance technicians, calibration laboratories and industrial users requiring a compact high-temperature calibrator, the AMETEK CTC-660 provides an excellent combination of performance, flexibility and portability.
europascal supports customers with professional temperature calibration equipment, technical advice and calibration services.
Typical Applications for the AMETEK CTC-660
The AMETEK CTC-660 is suitable for numerous professional temperature calibration applications.
Typical applications include:
- Pt100 calibration
- Pt1000 calibration
- RTD calibration
- Thermocouple calibration
- Temperature switch testing
- Industrial thermometer calibration
- Temperature sensor verification
- Industrial heating systems
- Process instrumentation
- Preventive maintenance
- Commissioning
- Production quality assurance
- Calibration laboratories
- Temperature metrology
- Field calibration
- Industrial temperature measurement
The combination of fast heating, reliable temperature stability, interchangeable inserts and compact construction makes the AMETEK CTC-660 a professional solution for industrial temperature calibration.
For professional calibration services and metrological traceability, visit the europascal Calibration Service.
Find more AMETEK temperature calibration equipment here.
Manufacturer information for the AMETEK CTC-660 can be found on the official AMETEK website.
