PM7000 Now Offers Most Comprehensive Range of Power Measurements
Outram Research has enhanced the functionality of its market leading Ranger PM7000 Power Quality Analyser, the industry’s only Cat IV 600V Phase A-powered analyser, with the addition of support for capture of IEEE 1459 and IEEE 100 parameters. The new functionality allows users to more effectively measure useful power, fundamental reactive power and distortion power to help resolve a wide range of power quality problems.
IEEE 1459 is an emerging standard that defines new formulae providing detailed information on the power that is being consumed. Uniquely the standard defines a rigorous measure of distortion power, a measure of the power consumed due to imperfections in the current and voltage sinusoid. Many modern electronic products – particularly low-energy florescent light bulbs – do not draw current in a sinusoid. These devices pull small spikes of current at the peak of the voltage sinusoid, distorting both current and voltage waveforms on the supply network, which in turn can lead to more power being wasted in motors and other appliances that require sinusoidal supplies.
In addition to the new functionality, the PM7000 measures power quality to the IEC61000-4-30 standard, harmonics to IEC61000-4-7, and flicker to IEC61000-4-15; measuring with an accuracy better than 0.25% ± 2 LSB. The device offers four voltage channels rated up to 1000V and four current channels that measure up to 6000A with high speed sampling of up to 1.22M samples per second on all inputs. The system provides measurement up to the 50th harmonic, interharmonics and instantaneous flicker as well as short term and long term results; transients; high speed waveform capture; symmetrical components; and sags and swells.
Uniquely all Outram power quality analysers offer Outram’s patented single-cycle Adaptive Store that ensures detailed capture of intermittent power quality problems over long recording periods. In the PM7000 this operates on up to 32 channels, selected from any of the available parameters; and in addition approximately 500 general parameters are recorded automatically at (selectable) fixed intervals for applications such as demonstrating compliance to standards.
Existing PM7000 units can be upgraded in the field to add the new functionality with a firmware update available on request from Outram Research.>
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