Product category:
Compliance Engineering
News Release from: Clare Instruments | Subject: Hal
Edited by the Electronicstalk Editorial
Team on 02 May 2007
Production tester ensures meter
compliance
An integrated test cell developed around the Hal production line test system ensures regulatory compliance for Ampy Metering.
Ampy Metering, the market-leading manufacturer of electricity metering products, has installed new product compliance test technology as part of the modernisation and upgrading of production facilities at its Peterborough plant Ampy manufactures a range of innovative power meters that are linked to the mains supply to measure and record the amount of electricity consumed in domestic, commercial and industrial premises
This article was originally published on Electronicstalk on 10 Jun 2008 at 8.00am (UK)
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The company is a world leader in the manufacture of prepaid electricity meters installed by utility companies and has also developed a range of intelligent meters that allow the energy supplier to monitor electricity consumption remotely.
As part of an investment programme in new processes at its UK plant, Ampy has installed a new automated test system developed by Clare Instruments that combines enhanced production line throughput with demanding international standards compliance and quality control requirements.
Importantly the new streamlined process links product function and calibration testing with a new integrated test cell developed around Clare's advanced Hal production line test system.
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Advanced electronic test technology from Clare Instruments is helping a market-leading manufacturer meet international compliance standards across a diverse range of industrial products.
In the new test setup, combined function, calibration and soak testing of newly assembled product is carried out on separate batches of power meters at the same time.
After this initial check, the meters are then loaded onto a conveyor that uses optical product recognition to correctly align the enclosures before they enter the Hal test cell.
The test cell comprises a Hal test unit that is specifically designed to meet compliance testing and data traceability demands associated with modern quality assurance and safety standards.
Supplied by Paxton Instruments and part of Clare's range of digital test instruments, the powerful Hal unit is capable of carrying out AC or DC flash testing with programmable options for test voltages, ramping times, leakage limits and other parameters allowing complex test sequences to be generated safely and effectively.
In the new Ampy installation, image recognition sensors and actuators identify and detect the meters as they enter the test cell.
Once detected the actuators locate the test pins onto the meter and the Hal then automatically sequences through the appropriate flash/hipot and earth/ground bond tests for the particular product.
The whole test sequence is PLC controlled.
Preconfigured test sequences are stored in the Hal in keeping with the various international compliance specifications and standards required for the worldwide distribution of different Ampy products.
Electrical safety testing is completed in around 7 or 8s per item, with failed products automatically directed off the production line at this point.
Approved products are allowed to move on to the next part of the process for laser serial marking and automatic bonding of the two parts of the meter enclosure with special glue.
In this way all Ampy products are 100% tested and test data are continually recorded on the company's management information system.
As a result, Ampy's investment in new automated test system has greatly improved production line quality control and reduced product returns significantly. Request a free brochure from Clare Instruments ...
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