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| Description: | |
| This series calibrators are used for adjusting, checking and verification of measuring instruments used in power engineering. These include active and reactive power meters, phase meters, frequency meters, ammeters, voltmeters, transducers, monitoring systems, and frequency, voltage and current relays. It is constructed in a standard 19” rack-mount size case. Voltage and current output signals are set by multi-turn potentiometers and are simultaneously indicated on 4.5 digit LED displays. Frequency and phase angle are also set by multi-turn potentiometers and are displayed on 4 digit LED indicators. Instruments to be calibrated can safely be connected to the outputs without changing the set values since the calibrator can be switched to ‘standby’ mode to isolate the output terminals. Sinusoidal signals are generated on both voltage and current outputs. If required, between 1% and 15% harmonic distortion can be added to the signals. |
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| Three Phase Calibrator Set | |
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The calibrator
can work in a three phase set (order codes 9845-9848). It consists
of one calibrator in basic configuration (phase L1) and two calibrators
in special configuration (phase L2 and phase L3). Calibrator phase
L1 controls phase L2 and L3 by means of analogue and digital signals.
All connections are on the rear panels. The calibrator set is able to generate a symmetrical three phase vector, programmed from control calibrator phase L1. The phase angles between the 3 phases are shown on the displays. |
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| 5033 Prog. DC Power Source | 5077 Power Calibrator | 5011 Res/Temp Calibrator | 5025 Multifunction Calibrator |