Consultant Technology Australia

Consultant Technology Australia
PO Box W234
Warringah Mall NSW 2100
Tel: 02 9452 3831
Fax: 02 9451 7421

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Fully compliant interharmonics power analyser

THE EM TEST model DPA 500, available from Consultant Technology , is a fully compliant analyser for interharmonics, harmonics and flicker, as per the latest IEC/EN 61000-3-2 and IEC/EN 61000-3-3 requirements.

It also follows the design specifications as per IEC/EN 61000-4- 7:2002 (for Class A instruments) and IEC/EN 61000-4-15:2003.

Random voltage fluctuations caused by varying load currents, may influence luminance or spectral distribution of lighting systems, creating an annoying, unsteady visual sensation producing a light stimulus, called flicker.

This flicker phenomenon also needs to be evaluated and kept to a minimum.

The DP A500 is based on a real-time kernel and, equipped with its own hard disk, it allows the recording of measured data continuously without any gaps or overlapping.

The rectangular measurement window is synchronised to each group of 10 or 12 cycles of the mains supply frequency (50Hz or 60Hz) by means of the digital PLL (phase lock loop).

A wide current input range (up to 50A) avoids loss of measured data due to range switching that would occur when using different shunt resistors.

The classification of the measurement can be selected at any time, before or after the measurement has been performed. During all measurements the ac supply voltage is measured simultaneously with the current.

The built-in flicker impedance, which is automatically selected when doing flicker measurement, makes the DP A 500 a complete single-box unit for both harmonics and flicker analysis.

Control and analysing software for harmonics, interharmonics and flicker measurement, is central to the operation of the DPA500.

ISMDP A offers all features to control the DP A 500, to upload the recorded measuring data, and for the classification and analysis. It includes analysis as per the latest standards as well as procedures following the former standard requirements.

An easy Fail/Pass function allows fast analysis while detailed data is available for extended analysis and EUT evaluation purposes. ISMDP A also includes a powerful documentation capability with direct export to Word.

The EM TEST family of harmonics analysers includes two models for harmonics, interharmonics and flicker for single phase and three-phase applications.

The three-phase analyser DP A503 can be used for single-phase analysis applications.

Consultant Technology Australia News

Mobile automotive EMC test simulator/analyser (17-Nov-2005)
THE New AutoWave from EM Test is designed to overcome the very difficult test environment problem for EMC Automotive Testing, such as the differences between the lab test environment results and actual ‘real world’ mobile test vehicle results. It is available from Consultant Technology Australia Pty Ltd.

Innovative electrostatic discharge test system (27-Jun-2005)
EM TEST’s DITO electrostatic discharge test system, available from Consultant Technology, is designed to generate random electrostatic discharges, similar to those that commonly occur between a human body and any other surface that is capable of exhibiting a different voltage potentional.

New requirements for harmonics analysers (13-Apr-2005)
THE specifications for compliant harmonics and flicker analysers are about to change with the introduction of the new IEC 61000-4-7 Ed.2 requiring that measurements are taken using two different rectangular measuring windows, each of 10 periods per window for 50Hz, and 12 periods per window for 60Hz.

Compact EMC immunity tester (1-Apr-2004)
EM TEST, represented by Consultant Technology, has launched a new compact tester Model OCS 500M6, for ringwave and damped oscillatory waves as per IEC 61000-4-12, and is the first compact solution to generate ringwave pulses up to 6kV in compliance with the American ANSI/IEEE C62.41 requirements.

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