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Information about Reckmann GmbH’s Calibration Laboratory

 

As a manufacturer of quality temperature sensors, Reckmann GmbH has many years’ experience in the field of temperature measurement technology, implementing this experience single-mindedly and successfully within sensor calibration technology. On a surface area of over 110 m2, Reckmann GmbH operates a calibration laboratory that is fitted with outstanding technical equipment and has a laboratory team boasting first-class training and experience.
A combination of technology, know-how, team spirit and close customer relations lays the basic foundation for optimal calibration results with the highest precision and smallest measurement misgivings in the interests of the customer and their application.
Sophisticated and standard calibration assignments are executed rapidly and with a focus on results, with due regard for the customer’s requirements and objectives. 
The extensive technical calibration equipment includes the following::

  • Tin, zinc, aluminium, silver, gallium fixed-point cells and water triple point cells
  • Calibration tube furnaces from renowned manufacturers
  • Liquid calibration baths and salt baths
  • Precision measuring equipment for thermocouple assemblies and resistance thermometers
  • Precision simulators for thermoelectric voltage and resistance

The calibration laboratory is managed in accordance with DIN EN ISO/IEC 17025. All testing and measuring equipment is regularly calibrated with traceability to national and international standards. In 2002, the calibration laboratory was accredited by the DAkkS (German Calibration Service) for the measurement category of temperature under registration number DAkkS D-K-17677-01. The accreditation scope was significantly extended again in 2007, enabling calibrations to be performed with both DAkkS and proprietary certificates.

 

 

Calibration Services – Overview

June 2008

Resistance Thermometers

Measurement Value /
Calibration Object

Measurement Range / Measurement Span
Measurement Conditions /
Techniques
Smallest Specifiable Measurement Uncertainties

Comments

Temperatur/        
Resistance thermometer - 50°C     to      + 100°C   Calibration bath with refrigeration unit 

50 mK

Reference measurement     D+W

"

+ 95°C     to      + 200°C Calibration bath

50 mK

Reference measurement     D+W

"

+ 200°C   to      + 550°C

Salt bath

100 mK

Reference measurement     D+W
         
Resistance thermometer          0,01°C Water triple point

25 mK

Measurement at the fixed point  D+W
Resistance thermometer      231,93°C Tin fixed point

25 mK

Measurement at the fixed point   D+W
Resistance thermometer      419,53°C Zinc fixed point

25 mK

Measurement at the fixed point   D+W
Resistance thermometer      660,32°C Aluminium fixed point

70 mK

Measurement at the fixed point   D+W

 

Noble Metal Thermocouple Assemblies

Measurement Value /
Calibration Object 

Measurement Range / Measurement Span

Measurement Conditions /
Techniques

Smallest Specifiable Measurement Uncertainties

Comments

Temperatur/

 

 

 

 

Thermocouple assemblies

- 50°C      to      + 100°C  

Calibration bath with refrigeration unit 

0,5 K

Reference measurement      D+W

"

+ 95°C     to      + 200°C

Calibration bath

0,5 K

Reference measurement      D+W

"

+ 200°C   to      + 550°C

Salt bath

1,0 K

Reference measurement      D+W

 

 

 

 

 

Thermocouple assemblies

 0°C         to     + 1100°C

Tube furnace

1,3 K

Reference measurement      D+W

Thermocouple assemblies

+1100      to     + 1200°C

Tube furnace

2,3 K

Reference measurement      D+W

 

 

 

 

 

Thermocouple assemblies

        0,01°C

Water triple point

0,5 K

Measurement at the fixed point   W

Thermocouple assemblies

     231,93°C

Tin fixed point

0,5 K

Measurement at the fixed point   W

Thermocouple assemblies

     419,53°C

Zinc fixed point

0,5 K

Measurement at the fixed point   W

Thermocouple assemblies

     660,32°C

Aluminium fixed point

0,7 K

Measurement at the fixed point   W

Thermocouple assemblies

     961,78°C

Silver fixed point

0,8 K

Measurement at the fixed point  W

 

Base Metal Thermocouple Assemblies

Measurement Value /
Calibration Object

Measurement Range / Measurement Span

Measurement Conditions /
Techniques

Smallest Specifiable Measurement Uncertainties

Comments

Temperatur/

 

 

 

 

Thermocouple assemblies

- 50°C      to      + 100°C  

Calibration bath with refrigeration unit 

0,6 K

Reference measurement      D+W

Thermocouple assemblies

+ 95°C     to      + 200°C

Calibration bath

0,8 K

Reference measurement      D+W

Thermocouple assemblies

+ 200°C   to      + 550°C

Salt bath

1,0 K

Reference measurement      D+W

 

 

 

 

 

Thermocouple assemblies

 0°C         to     + 1100°C

Tube furnace

1,5 K

Reference measurement      D+W

Thermocouple assemblies

+1100      to     + 1200°C

Tube furnace

2,5 K

Reference measurement      D+W

 

 

 

 

 

Thermocouple assemblies

        0,01°C

Water triple point

0,5 K

Measurement at the fixed point   W

Thermocouple assemblies

     231,93°C

Tin fixed point

0,7 K

Measurement at the fixed point   W

Thermocouple assemblies

     419,53°C

Zinc fixed point

0,7 K

Measurement at the fixed point   W

Thermocouple assemblies

     660,32°C

Aluminium fixed point

0,8 K

Measurement at the fixed point   W

Thermocouple assemblies

     961,78°C

Silver fixed point

1,0 K

Measurement at the fixed point   W

Abbreviations:
D: Calibrations with DAkkS certificates
P: Proprietary calibrations

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