More options for temperature sensor calibration
A
Hawco product story
Edited by the Engineeringtalk editorial team
Oct 4, 2004
Two new models of the ATC Series have been added to the extensive range from Jofra.
Two new models of the ATC Series have been added to the extensive range from Jofra.
These can be used both as dry-block calibrators and as liquid calibration baths with a magnetic stirrer.
The ATC-140 and ATC-250 are a liquid bath and a dry-block fitted with a 160mm deep well with a diameter of 63.5mm, which is twice the size of any other Jofra dry-block.
With these options it is now possible to calibrate even more temperature sensors at the same time and to calibrate large as well as odd sizes and shapes of sensors, which were not possible to calibrate in the existing range.
The compromise compared to the existing models is longer cooling, heating and stabilisation times.
ATC-140 and ATC-250 can be used without an external reference sensor, but if a STS-100 reference sensor is connected directly to a B version or the Jofra reference thermometer DTI-1000, users will obtain better accuracies and thereby use the full potential of the calibrators.
As accessories it is possible to order extra silicone oil and a support rod for sensors, which can be mounted on the side of all Jofra dry-block calibrators and hold the sensors under test in the correct position during calibration.
The basic advantages of the liquid bath configuration compared with the dry-block configuration are as follows: users do not need insertion tubes for all different types of sensors; users can calibrate sensors, which do not fit into insertion tubes; and users can calibrate glass thermometers.
As accessories it is possible to order undrilled and special drilled inserts.
The basic advantages of the dry-block configuration compared with the liquid bath configuration are as follows: no hazardous hot liquids; easier to handle insertion tubes than liquids; more convenient to carry than when filled with liquids; and no need for exhaustion.
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