Pressure, Temperature Switch Calibration, Handheld Pressure Testers

AMETEK Calibration Instruments

AMETEK Calibration Instruments are global leaders in the design and manufacture of temperature, pressure and signal calibration equipment as well as temperature sensors.

JOFRA Instruments, (now AMETEK Denmark A/S) was founded in 1984, presenting the first dry block calibrator for industrial applications.

The company is based in Denmark, having manufacturing facilities in both Denmark and Largo, USA.more

We supply equipment to companies around the world, with a web of sales branches and over sixty dedicated distributors.

Temperature Switch Calibration

AMETEK's advanced temperature calibrators, reference temperature calibrators and supporting JOFRA software, allow effective and straightforward sensor, thermocouple, transmitter and temperature switch calibration.  Combined with ASM advanced multi-scanners, they can be used to calibrate up to 24 sensors at a time.

The sophisticated RTC series is designed to offer laboratory standard accuracy with speed and ease of transport and featuring the patent pending 'Dynamic Load Compensation' ensuring uniform temperatures even in the calibration of bulky or multiple sensors.

Free Calibration Management Software

AMETEK's free calibration management software, JOFRACAL, provides an easy interface for JOFRA temperature, pressure and signal calibrators, supporting the calibration of a wide range of temperature sensors and instruments allowing fully automatic sensor calibration.  JOFRACAL allows the storage of data in a searchable, sortable database for later analysis, and the production of customisable certificates.

The software stores details of all sensors under test, so that they can be easily recalled for day to day calibrations.  It also features a scheduler allowing easy monitoring of device locations and calibrations.

JOFRA Calibrators: Handheld Pressure Tester

AMETEK's HPC500 calibrators are available both individually, and as a component in six different pressure calibration packages.  These handheld pressure testers support sixteen pressure ranges from 25 mbar to 700 bar and are available in both single and dual sensor formats.AMETEK also offers larger industrial pressure calibrators for high accuracy digitally displayed pressure readings.  These have applications ranging from safety valve testing to system pressure monitoring.



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  • Poul is an expert within pressure calibrators, and has more than 25 years of experience within the industry. He has worked for AMETEK since 1998 and has an education as an Electronic Engineer.

  • Henrik is an expert within temperature calibrators, and has more than 22 years of experience within the industry. He has worked for AMETEK since 1988 and has a degree as Electro-Mechanical Engineer, B.Sc.

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AMETEK Calibration Instruments
Gydevang 32
3450, Lillerød

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