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Accurate temperature measurements are essential if you need to meet standards, regulations or guidelines. Ensuring that your themometers are reading accurately is an essential part of this process and using a reference calibration source can help you achieve this.

We have a range of temperature calibration sources that allow you to verify the readings from probe or IR thermometers, providing you with the confidence that your measurements are accurate.

The CS and CSEC Series of temperature calibration sources cover a wide range of temperatures and provide both insert (with 6 probe holes as standard), a black-body for Infra-red thermometers and the option of a blank insert (CS174-IN & CS175-IN). The blank insert is provided to allow for custom probe sizes to be accomodated.

Details of the CS and CSEC series, including the high temperature CS350 and CS650 versions can be found below.

This type of calibration source is also known as a Dry Block Calibration Source and is ideal for use where a range of different thermometers and probes require regulation calibration and verification.

Eurolec Temperature Calibration Sources

CS Series - Precision Temperature Calibration Sources

The CS Series is available in three versions, each of which provide a highly accurate, very stable temperature output which is ideal for the calibration and servicing of reference thermometers as well as general purpose temperature measurement instruments.

All of the standard CS Series can also be used with an external reference thermometer, such as the Eurolec RT162 or PC Temp RT2, to provide a complete reference, verification and calibration system.

For temperature ranges above +200°C, the High Temperature variants of the CS Series (CS350 & CS650) can be used.

  • Standard 6-hole probe insert
  • Blank insert provided with CS174-IN & CS-175-IN
  • Black body for Infra-red thermometers
  • PID Controller with platinum film sensor
  • High accuracy & stable temperature source
  • User adjustable temperature
  • User adjustable °C or °F display
  • Standard RS232 output with optional USB connection
  • Optional 2 Point Accuracy Check available
  • Test point for reference thermometer for increased accuracy
  • Low temperature calibration with the CS175/CS175-IN
Production information
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Eurolec CS174 High Precision Temperature Calibration Source

The standard CS series coveres a range of temperature values and accuracy levels. The table below details these, allowing you to choose the most appropriate version of the temperature calibration source for your application.

Specification CS173 CS174 CS174-IN CS175 CS175-IN
Range +30.0°C to +200.0°C 40.0°C below ambient to +85.0°C 40.0°C below ambient to +85.0°C 40.0°C below ambient to +85.0°C 40.0°C below ambient to +85.0°C
Resolution 0.1°C 0.1°C 0.1°C 0.01°C 0.01°C
Accuracy ± 0.2°C ± 1 digit ± 0.2°C ± 1 digit ± 0.2°C ± 1 digit ± 0.05°C ± 1 digit ± 0.05°C ± 1 digit
Emissivity > 0.95 > 0.95 > 0.95 > 0.95 > 0.95
Stability Better than 0.03°C Better than 0.03°C Better than 0.03°C Better than 0.03°C Better than 0.03°C
Heating Time (Typical) 30°C to 150°C, 15 mins 20°C to 60°C, 6 mins 20°C to 60°C, 6 mins 20°C to 60°C, 15 mins 20°C to 60°C, 15 mins
Cooling Time (Typical) Non-forced 20°C to 0°C, 7 mins 20°C to 0°C, 7 mins 20°C to 0°C, 7 mins 20°C to 0°C, 7 mins
Power Supply 110vAC or 220vAC 110vAC or 220vAC 110vAC or 220vAC 110vAC or 220vAC 110vAC or 220vAC
Operating Temperature 0°C to +50°C 0°C to +50°C 0°C to +50°C 0°C to +50°C 0°C to +50°C
Weight 4 kg 4.2 kg 4.2 kg 4.2 kg 4.2 kg
Description Temperature Calibration Source / Dry Block / Black Body Temperature Calibration Source / Dry Block / Black Body Temperature Calibration Source / Dry Block / Black Body / Inserts High Precision Temperature Calibration Source / Dry Block / Black Body High Precision Temperature Calibration Source / Dry Block / Black Body / Inserts

CS Series - High Temperature Calibration Sources

The CS350 and CS650 calibration sources provide high temperature levels allowing the calibration of probe thermometers at extended ranges. Each instrument provides highly accurate, very stable temperature output which is ideal for the calibration and servicing of reference thermometers as well as general purpose temperature measurement instruments at high levels.

The CS350 and CS650 Series can also be used with an external reference thermometer, such as the Eurolec RT162 or PC Temp RT2 (for temperatures up to 200°C, to provide a complete reference, verification and calibration system.

  • Front & Rear probe holes
  • PID Controller with platinum film sensor
  • High accuracy & stable temperature source
  • User adjustable temperature
  • User adjustable °C or °F display
  • Standard RS232 output with optional USB connection
  • Test point for reference thermometer for increased accuracy
Production information
Download product datasheets & user manuals

The table below details the specifications of the CS350 and CS650, allowing you to choose the most appropriate version of the temperature calibration source for your application.

Specification CS350 CS650
Range +30.0°C to +350.0°C +30.0°C to +650.0°C
Resolution 0.1°C 0.1°C
Accuracy ± 0.5°C 30°C to +200°C, ±1°C over 200°C ± 0.7°C 30°C to +200°C, ±1.5°C over 200°C
Stability Better than 0.1°C Better than 0.1°C
Heating Time to max temp 15 mins 25 mins
Cooling Time (Typical) Non-forced natural cooling Non-forced natural cooling
Power Supply 110vAC to 220vAC 110vAC to 220vAC
Operating Temperature 0°C to +40°C 0°C to +40°C
Weight 5 kg 6 kg

Front probe holes: 3.1mm x 130mm, 5.0mm x 130mm, 6.2mm x 118mm, 6.2mm x 130mm, 8.2mm x 130mm, 10.2mm x 130mm

Rear probe holes: 2.0mm x 45mm, 2.0mm x 45mm, 3.5mm x 45mm, 3.5mm x 45mm, 3.5mm x 45mm


CSEC Series - Economy Temperature Calibration Sources

The CSEC Series is an economic range of temperature calibration sources and is available in three versions, each of which provide a highly accurate, very stable temperature output which is ideal for the calibration of probe thermometers as well as general purpose temperature measurement instruments.

  • For use with probe thermometers
  • Standard front 7-hole probe insert
  • PID Controller with platinum film sensor
  • High accuracy & stable temperature source
  • User adjustable temperature
  • User adjustable °C or °F display
Production information
Download product datasheets & user manuals
Eurolec CS174 High Precision Temperature Calibration Source

The CSEC series coveres a range of temperature values. The table below details these, allowing you to choose the most appropriate version of the temperature calibration source for your application.

Specification CSEC1 CSEC2 CSEC3
Range +30.0°C to +200.0°C 38.0°C below ambient to +85.0°C -30.0°C below ambient (min -10°C) to +105.0°C
Resolution 0.1°C 0.1°C 0.1°C
Accuracy ± 0.2°C ± 1 digit ± 0.2°C ± 1 digit ± 0.2°C ± 1 digit
Stability Better than 0.03°C Better than 0.03°C Better than 0.03°C
Power Supply 110vAC to 220vAC 110vAC to 220vAC 110vAC to 220vAC
Operating Temperature +5°C to +40°C +5°C to +40°C +5°C to +40°C
Weight 3 kg 2.7 kg 2.7 kg

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