Temperature calibrators offer improved accuracy
An
Ametek Calibration Instruments product story
Edited by the Engineeringtalk editorial team
Feb 6, 2007
The accuracy and stability of Ametek Calibration Instruments' range of Jofra ATC dry-block temperature calibrators have been improved.
Ametek Calibration Instruments' range of Jofra ATC dry-block temperature calibrators, covering the temperature range from -90 to 650C, now offers improved accuracy and stability.
Accuracies for both A and B models across the range using the built-in internal reference sensor have been improved.
The accuracy for the ATC-156 has improved from 0.19 to 0.1C.
For ATC B models accuracies down to +/-0.04C is obtainable, when using the reference input.
Temperature stability has also been improved on the ATC-156, ATC-157, ATC-320 and ATC-650 models and is now guaranteed for a full twelve-month period, for customer peace of mind.
For most models the stability has been improved from 0.02C to + 0.01C.
The units also feature a temperature stability countdown timer which starts five minutes before the stability indicator comes on.
This helps the user to know when to take readings from the sensor under test.
Jofra ATC dry-block calibrators are characterised by the dual-zone heating technology for exceptional temperature homogeneity.
All Jofra dry block calibrators are supplied with Jofracal temperature calibration software, which features comprehensive documenting software to allow the creation of complete calibration work orders, which can be downloaded to the ATC series.
These can then be run on site with no need for a computer, and the results uploaded at a later date.
A complete database and certificate printout capability facilitates paperwork generation, even providing for local language translation on certificate printouts.
B versions of models in the ATC range feature comprehensive sensor under test inputs.
These include inputs for testing thermo switches, 4-20mA transmitters, thermocouples (including cold junction compensation) and multiple types of RTD including Pt100.
An external reference probe input allows the probe to be positioned next to the sensor-under-test within the insert.
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