Product category: Stand-Alone Instruments
News Release from: Seaward Electronic | Subject: PrimeTest 300
Edited by the Electronicstalk Editorial Team on 19 March 2007

Dual pulse technology
improves earth testing

Note: A free brochure or catalogue is available from Seaward Electronic on the products in this news release. Click here to request a copy.

New method for earth continuity testing becomes part of the safety testing of electrical and electronic portable appliances

Seaward Electronic has developed a new method of carrying out earth continuity testing when undertaken as part of the safety testing of electrical and electronic portable appliances. The new test technology recognises that a 200mA test current is rapidly becoming the European standard for in-service testing and testing after repair.

Seaward's new test technology uses a dual current high intensity test to overcome contact resistance problems or other situations where weak conductor connections may inhibit protective earth testing with conventional 200mA currents.

The Seaward 200mA test has been specially designed to help overcome variations in measurement that can be caused by contact resistance between the test probe and the appliance under test, for example, when measuring continuity of tarnished or corroded parts such as a kettle element.

The new Seaward test achieves this by applying a short duration high current pulse to precondition the equipment under test, which is then followed by a 200mA test current to make the appropriate measurements.

The unique dual pulse current technology introduced by Seaward enables valid earth continuity tests to be carried out using lightweight, portable, battery powered testers.

This enables important earth continuity testing to be carried out quickly, safely and effectively by field service and test engineers.

The new test capability is already included in the Seaward's PrimeTest 300 Bluetooth-enabled PAT tester and will be incorporated across all instruments in the PrimeTest range of handheld portable appliance testers.

Comprehensive test instrument and data management software options are available through the PATSolutions range of integrated portable appliance testing product packages. Request a free brochure from Seaward Electronic....

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