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Jim Lawrence, a UK manufacturer of forged iron and solid brass lighting products, is using the Clare Safetest Manufacturing/Luminaire (STM/L) digital electrical safety tester from Seaward to improve compliance testing during production at its Suffolk factory.

The company designs and produces a range of Class I-rated wall, pendant, spot and picture lights for UK and international customers. All products are tested in accordance with Annex Q of the Luminaire Standard (BS EN 60598) as part of the company’s quality assurance guarantee.

Jim Lawrence is using four STM/L units at its manufacturing facility, where hundreds of handmade lighting systems are produced and tested each week.

The STM/L 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. Once testing is complete, a test and tag label is produced, confirming that the product has been fully tested and the results recorded and downloaded to a central database.

Key benefits of product application

  • The STM/L units enable Jim Lawrence to further secure product quality, performance and reliability.
  • 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.
  • According to Dick Kirk, technical manager at Jim Lawrence, the STM/L is an efficient instrument that records test results and ensures accurate testing is carried out in line with relevant product standards at all times.
  • Kirk said that the STM/L allows the company to comply with the relevant standards, as well as with its own quality-control programme.
  • All of Jim Lawrence’s test requirements can be pre-programmed into the STM/L using a ‘QWERTY’ keypad and following the on-screen user instructions.
  • All tests are individually user selectable and an internal memory has the capacity to store the results of 6,000 tests.

Seaward Group

The Seaward Group, also including the Clare and Cropico instrumentation brands, is a market leader in the manufacture of electrical safety test equipment to meet the regulatory, quality control and standards compliance needs of a variety of industries.

The Seaward Group, also including the Clare and Cropico instrumentation brands, is a market leader in the manufacture of electrical safety test equipment to meet the regulatory, quality control and standards compliance needs of a variety of industries.

The product range includes the following:

  • PAT testing
  • Installation testing
  • High-voltage testing
  • Production line testing
  • Industrial testing and measurement
  • Microhmmeters
  • Hipot testers
  • Resistance standards
  • Decade boxes

Established in 1982, the Seaward Group provides a range of electrical safety testing and high-accuracy resistance measurement solutions to enable companies and organisations to comply with all types of safety legislation, product standards and quality control requirements.

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