PRODUCTS CALIBRATION
COMPACT TEMPERATURE CALIBRATOR OFFERS NEW USER INTERFACE AND IMPROVED ACCURACY
assisted manual calibration using predefined temperature points, and memory to store up to five calibration processes. Along with those new features, Ametek says
Ametek’s JOFRA CTC Series Compact Temperature Calibrator incorporates a number of new features that extend its range and functionality. The CTC Series offers a full colour display with
improved navigation that provides easy access to the calibrator’s latest features. The Series now also contains an auto step function with up to 12 preset temperature points, an optimised switch test,
HART DEVICE CONFIGURATION AT YOUR FINGERTIPS
The Fluke 154 HART Calibration Assistant is a standalone tablet-based communication tool that is said to make HART configuration easy. The 154 provides HART communication
functionality that, when combined with a Fluke 750 Series Documenting Process Calibrator or 720 Series Multifunction Process Calibrator, enables the user to calibrate the full range of HART devices used in the process industry. The Android-based tablet comes configured with
the FlukeHART mobile app that utilises a long- range wireless HART modem, which connects to the HART transmitter being tested or configured. This allows technicians to wirelessly communicate with the device up to 250ft away so technicians can work from a safer, more convenient, location. In addition, the Fluke 154 provides full HART Device Description (DD) support of all HART devices
the CTC has improved accuracy to ± 0.2°C and a broader temperature range from -25°C to 660°C. As with other high-end JOFRA temperature calibrators, the CTC Series is available with an optional input for a reference temperature probe that increases its accuracy even more. There are three versions available: the CTC-155 covers a temperature range of -25° to 155°C (-13° to 311°F); the CTC-350 covers a higher temperature range of 28° to 350°C (82° to 662°F); and the CTC 660 handles temperatures ranging from 28° to 660°C (82° to 1220°F). The calibrators feature a purpose-dedicated
temperature regulator that provides fast heating and cooling times and a short stabilisation time. Compact and portable, the CTC Series is designed for both on-site and maintenance shop calibration.
Ametek
www.ametekcalibration.com By using a reference sensor for the
calibration process, the measurement signal is recorded via an external measuring chain or directly using the PMX measuring amplifier. The program then processes the different signals from measurements with and without load, calculates the scaling for each sensor to be calibrated and then applies it directly. Parameters are automatically
documented in the PMX log file, which can be easily accessed from the PMX web server.
HBM
and can monitor PV, SV, TV, QV, and other measured HART variables. The calibration assistant includes a configurable connection cable that accepts either hook clips for connecting to wires or alligator clips designed to connect to transmitter connection screw heads. Its rechargeable battery is designed to last for
several days of device testing and configuration. Fluke
www.fluke.co.uk VERIFICATION SERVICE AVOIDS PROCESS DISRUPTIONS
Standards, regulations and calibration requirements for GWR instruments used to measure tank level must be adhered to by process plants. Verifying GWR level instrument operation traditionally involves climbing to the top of the tank, opening an access port, and taking a reading by hand. In order to get the multiple measurement points often required for accuracy, product has to be transferred in, out, or both - disrupting the process. Now, however, Emerson has introduced a guided wave radar (GWR) verification service to help users verify
their Rosemount level instrument performance without distruption to operations. With the new service, technicians go to the client’s location and five-point accuracy verification is performed using calibration hardware with traceability to recognised standards. In addition to verifying accuracy and making any required adjustments, the GWR level instrument’s condition and configuration are evaluated to ensure optimum performance. The plant then receives a certificate showing the level instrument meets specifications designed to comply with the ANSI Z540-1-1994 standard.
Emerson
www.emersonprocess.com www.hbm.com
SIMPLIFYING CALIBRATION IN A FORCE SHUNT
HBM’s Adjustment Assistant makes the process of calibrating sensors in a force shunt simple. Designed to quickly and reliably
calibrate sensors together with the PMX industrial amplifier system, the Adjustment Assistant guides users through the process with simple menu navigation and instructions. The technology can also be used to control calibration of up to four sensors at a time.
UPGRADED SERVICE IMPROVES FLEXIBILITY
NAPIT has upgraded its calibration service to provide a quicker and more flexible service. The exclusive service for NAPIT
members includes a host of new and improved features such as the option to book calibrations online and receive email and text notifications on delivery updates. There is also the option to drop off
and pick up instruments at thousands of shops, eliminating the need to keep to delivery time frames. As well as this, NAPIT Calibration promises a fast turnaround on all instruments with calibration and return within 72 hours.
NAPIT
www.napitcalibration.co.uk
12 DECEMBER/JANUARY 2017 | INSTRUMENTATION
/ INSTRUMENTATION
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