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<< Ametek ITC Dry Block Calibrators
Ametek ITC Series: ITC155A |
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The Ametek ITC series is the mid-range dry-block calibrator model offered
by AMETEK. The design basis for the ITC series is portability and
ease-of-use supplied at a reasonable cost without sacrificing accuracy,
performance, and features. The ITC-155 incorporates the features of the
high-end ATC series with the functionality of the standard CTC series
dry-block calibrators. The ITC-155 employs the slim and rugged design of the CTC series. This series also features the intuitive user interface, the clear LCD display, and the functionality that is used in the successful CTC series. However, the ITC-155 is designed with the state-of-the-art dual-zone heating block and MVI circuitry that has been adopted from the ATC series. The MVI circuitry ensures stable temperatures even when the mains supply is unstable. The ITC-155 is designed for both on-site and maintenance shop use. The applications are generally critical process control but can vary based on calibration and testing requirements. The ITC-155 dry-block calibrators are available in 3 different temperature ranges and all models are equipped with RS232 serial communication capabilities. The standard delivery also includes the JOFRACAL calibration PC software. |
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The model ITC-155 features improved Peltier elements that employ a
’’Multi-Stage Technology’’. This both improves efficiency and extends
the useful life of the heating/cooling block. The practical Peltier element (electronic heating pump) consists of many elements of semiconductor material connected electrically in series and thermally in parallel. These thermoelectric elements and their electrical interconnections are mounted between two ceramic plates. The plates serve to mechanically hold the overall structure together and to electrically insulate the individual elements from one another. Maximum temperature From the setup menu, the user can select the maximum temperature limit for the calibrator. This function prevents damage to the sensor-under-test caused by the application of excessive temperatures. The feature also aids in reducing drift resulting from extended periods of expo-sures to high temperatures. This feature can be locked with an access code. |
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MVI - Improved temperature stability Unstable mains power supplies are a major contributor to on-site calibration inaccuracies. Traditional temperature calibrators often become unstable in production environments where large electrical motors, heating elements, and other devices are periodically cycled on or off. The cycling of supply power can cause the temperature regulator to perform inconsistently leading to both inaccurate readings and unstable temperatures. The ITC series employ the MVI, thus avoiding such stability problems. The MVI circuitry continuously monitors the supply voltage and ensures a constant energy flow to the heating elements. Easy-to-use, intuitive operation All instrument controls may be performed from the front panel. The heat source is positioned away from the panel. This design helps to protect the operator. The main functions on the ITC series are designed with one-key-one-function logic. This means that there are no sub-menus or difficult to remember multiple keystrokes necessary to access primary functions. The easy-to-read, backlit display features dedicated icons, which help in identifying instrument conditions and operational steps.
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Re-calibration/adjustments The ITC series has a very easy and straightforward procedure for re-calibration/adjustment. There is no need for a screwdriver or PC software. The only thing you need is a reliable reference thermometer. Place the probe in the calibrator and follow the instructions on the display. Third-party labs and calibration facilities will be able to perform this function if a certificate from an independent source is necessary. Of course, AMETEK can provide you with a traceable calibration certificate from our labs when you require a higher level of confidence. Calibration of up to 24 sensors with Ametek ASM Using the Ametek ITC series together with the ASM Advanced Signal Multi-scanner offers a great time-saving automatic solution to calibrate multiple temperature sensors at the same time. The ASM series is an eight channel scanner controlled by JOFRACAL software on a PC. Up to 3 ASM units can be stacked to calibrate up to 24 sensors at the same time. It can handle signals from 2-, 3- and 4 wire RTD’s, TC’s, transmitters, thermisters, temperature switches and voltage. For more info on the ADM Advanced Signal Temperature Mulit-Scanner, please visit to the 7533PC page. |
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JOFRACAL Calibration Software The JOFRACAL calibration software ensures easy calibration of RTD´s, thermocouples, transmitters, thermoswithes, pressure gauges and pressure switches. JOFRACAL can be used with Ametek DPC-500, APC, CPC and IPI pres-sure calibrators, all Ametek temperature calibrators, as well as Ametek AMC900, ASC300 multi signal calibrator and ASM-800 signal multi scanner.
JOFRACAL calibration software may also be used for manual
calibrations, as it can be set up to accept manual entry of
calibration data together with other liquid baths, ice points or
dry-block heat sources. The calibration data collected may be stored
on a PC for later recall or analysis. The ITC calibrator stores the
calibration procedure and may be taken out to the process site
without using a personal computer. Once all calibrations are
completed, the data may be uploaded to the JOFRACAL calibration
software for post-processing and printing of certificates. The
calibration data collected may be stored on the personal computer
for later recall or analysis. |
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