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Compliance & Precision News Round-Up - Issue 11

This issue covers:

Seaward shines in testing at lighting company

Jim Lawrence, one of the UK’s leading manufacturers of forged iron and solid brass lighting products, is using the Clare Safetest Manufacturing/Luminaire (STM/L) digital electrical safety tester to improve compliance testing at its Suffolk factory.

All products are rigorously tested in accordance with annex Q of the Luminaire Standard (BS EN 60598) as part of Jim Lawrence’s quality assurance guarantee. Using the STM/L enables the company to undertake fast and accurate automatic testing to ensure its products are safe to use after leaving the factory and avoid the risk of damage during the testing process in line with the company’s quality control programme.

Dick Kirk, technical manager at Jim Lawrence, said the STM/L is an efficient, high performance instrument that records test results and ensures accurate testing is carried out in line with relevant product standards at all times.

He added: “The STM/L is a good tester, which allows us to comply with the relevant standards and our own quality control programme.

“It’s comprehensive and robust, and has many easy-to-use and beneficial features like test and tag. It’s playing an important role in ensuring our products perform to the highest safety standards and is proving its worth on the production line.”

Brighter luminaire testing

The Clare STM/L from Seaward performs 500V insulation tests using a DC test voltage, which can be used instead of a flash test when required, as well as completing earth bond, polarity and continuity and load and operation testing.

And once testing is complete, a test and tag label is produced confirming the product has been fully tested and the results recorded and downloaded to a central database. Test requirements can be pre-programmed into the easy-to-use STM/L using a QWERTY keypad and following the screen user instructions.

All tests are individually user selectable and an internal memory has the capacity to store the results of 6,000 tests.

The instrument has been designed to meet the needs of manufacturers that require a range of safety tests to be carried out on a variety of electrical and electronic products. Watch the video.

Latest thinking in high temperature measurement

The precise measurement and control of high temperature processes has always been problematic but recent and unfolding innovations in this area promise step change improvements throughout the measurement chain.

Graham Machin will be talking more about the issue and the way these improvements are realised in a presentation ‘Innovations in High Temperature Measurement’ this September in Yorkshire. More about this and other events on the Institute of Measurement and Control website at www.instmc.org.uk/newsite

D07 powers ahead at global service provider

Quartzelec, which provides a range of specialised service and support solutions for rotating plant installed in power stations, steelworks and paper mills in Europe, North Africa, the Middle East and Far East, is using D07 digital microhmmeters.

The company’s team of electrical and mechanical service engineers are using them to undertake on-site resistance measurement and status checking of electric motors and generators, improving customer after sales service and support.

Quartzelec’s opted for the D07 because of the superior features and benefits provided - not only is it highly accurate but the flexibility of the in-built manual default is enabling engineers to undertake on-site multi-testing of machinery very quickly. Other benefits include high portability and a rugged design, enabling easy transportation from site-to-site and providing high impact resistance.

Ian Martin, Quartzelec’s engineering manager, said: “We have been extremely pleased with the Cropico D07 units since they were introduced a few months ago.

“It’s a very easy-to-use instrument, even in the harshest of environments, producing very good testing data. Because of this we have now gone ahead and ordered further units for our North African operations.”

D07 Plus for improved low resistance measurement

The high performance D07 Plus digital ohmmeter improves the accuracy to which low resistance can be measured. Adding to the popular Cropico digital micro ohmmeter range, the versatile, rugged and easy-to-use D07Plus simplifies resistance associated with electrical connections, weld integrity, cable and joint resistance, electric motors and other engineering applications.

Accurate to within 0.05%, lead resistance errors are eliminated with the incorporation of true four-wire technology, while advanced features include seven selectable measurement ranges, extending from 0.1μΩ to 6 kΩ - in addition to a 10A measuring current.

The D07 Plus is capable of recording and storing 1,000 measurements plus sequences. There is an option for selecting continuous or pulsed current output. A long scale count meter (up to 60,000) enables the automatic averaging of forward and reverse measurements, which can then be downloaded to a PC or printer if required via a full serial RS232 or USB outlet port.

A QWERTY keyboard and LCD graphics panel have been incorporated to allow for quick and easy access and control. Other features include temperature compensation, full cooling curve facilities with built-in graphical plotting, remote start facility and comprehensive digital calibration.

Remote power is provided by rechargeable batteries, which provide up to one hour’s continuous use at the lowest ranges and 20 hours for all others. A mains cord is also supplied as standard together with test leads, user manual and instructional CD-ROM.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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