AMETEK STC Releases a New JOFRA Temperature Calibrator

Allerød, Denmark – A number of the most difficult sensors to calibrate are the sanitary sensors discovered within the pharmaceutical and meals industries.  To precisely calibrate these sensors, the technician should place the sensing ingredient within the uniform zone of the temperature calibrator.  Nonetheless, that is typically tough because of the small dimension of the sanitary sensor.


Picture Credit score: Ametek STC

AMETEK STC has an answer with the launch of their JOFRA RTC-168 Reference Temperature Calibrator.  “We’ve got in depth expertise with producing the best high quality temperature calibrators.  This data helped us design the brand new RTC-168, which incorporates an industry-first innovation and different efficiency enhancements,” mentioned Haakon Harslund, Director of Engineering for AMETEK STC in Allerød Denmark.

The RTC-168 encompasses a new nicely design permitting sanitary sensors with massive flanges to get nearer to the temperature uniformity zone than earlier than for improved accuracy and sooner calibration time. A redesigned sensor basket mixed with a temperature equalizer and a sooner magnetic stirrer assist create an prolonged temperature uniformity zone for liquid calibrations.  With the uniformity zone prolonged vertically, the sensing ingredient in shorter sensors can now attain it, leading to improved calibrations.

One issue in calibrating sanitary sensors is that conventional tub strategies end in inconsistent warmth switch to the flange of the sensor as a consequence of liquid movement and stage adjustments.  The brand new RTC-168 temperature calibrator features a patent-pending calibration approach for liquid calibration of sanitary sensors, permitting operators to copy in-field use throughout their liquid calibration – leading to a sensor calibration that carefully matches its day-to-day use.

JOFRA’s new design isolates the liquid in the primary block from the surplus liquid across the flange.  This isolation removes the liquid movement impact and the necessity for a exact liquid stage, making it simpler to calibrate underneath a number of circumstances. The warmth switch to the flange is dealt with by means of the aluminum of the warmth conveyor somewhat than by means of the liquid, creating a way more constant switch. As well as, the warmth conveyor optimizes the liquid circulation within the block for the calibration of sanitary sensors.

As well as, the RTC-168 calibrator additionally options an industry-first reverse movement cooling approach.  This method pushes the recent air out of the underside of the calibrator somewhat than the highest. This innovation protects the client’s sensor underneath check from steady warmth will increase and gives a safer working atmosphere for the technician.


Picture Credit score: Ametek STC

The RTC-168 calibrator additionally features a new detachable liquid container.  “The 2 best challenges to utilizing a dry/moist mixture calibrator are the cleanliness and time wanted to change from moist to dry and again. We’ve got solved this subject with a detachable liquid container.  When the client needs to change from moist to dry, they now solely must take away a small container, and it is able to go,” mentioned Harslund.  The container additionally features a screw-on lid with a strain aid valve, making transporting the calibrator clear and protected.

The RTC-168 is a mix moist tub and dry block temperature calibrator.  It encompasses a vary from -30°C to 165°C in each liquid and dry.  Accuracy of the inner reference is ±0.18°C in dry mode, and as much as ±0.14°C in liquid mode.  Utilizing the related exterior reference sensor, these accuracies enhance to ±0.09°C and ±0.06°C respectively.  With a wonderful stability of ±0.01°C, the RTC-168 is the perfect calibrator for the excessive calls for of the pharmaceutical and meals industries.

Haakon Harslund added, “We’re very pleased with our staff’s skill to design and produce this modern calibrator throughout such a tough time.  Our staff was in a position to proceed to collaborate and creatively design whereas working from house.  The result’s a calibrator that we all know our clients will admire and that we’re pleased with.”


AMETEK STC manufactures and provides calibration devices for temperature, strain, and course of indicators underneath JOFRA and Crystal manufacturers. JOFRA temperature calibrators are identified worldwide for his or her accuracy, reliability, and ease-of-use. For extra data, go to

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