ROTEK INSTRUMENT 811A POWER / ENERGY CALIBRATOR

$5,500.00

The Series 800 Power and Energy Meter Calibrators are precision sources of low distortion
alternating voltage and current, providing voltages from 11 to 749 Volts RMS and currents from 0.011
to 50 Amperes at frequencies of 50, 60, or 400Hz.
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Description

The Series 800 Power and Energy Meter Calibrators are precision sources of low distortion
alternating voltage and current, providing voltages from 11 to 749 Volts RMS and currents from 0.011
to 50 Amperes at frequencies of 50, 60, or 400Hz. The separate voltage and current outputs of the
Calibrators may be connected respectively to the voltage and current input terminals of wattmeters
and watt-hour meters for calibration. The Series 800 Calibrators have a separate control for the
phase of the current with respect to the voltage, resulting in a power factor which can be varied from
minus zero lagging through unity to plus zero leading. Through the use of the deviation control it is
possible to measure wattmeter percent error directly and display it in decimal form.
The Series 800 Calibrators have unique controls which allow the user to set the meter
excitation voltage and volt-amperes value; the excitation current is automatically determined. Entry of
voltage, volt-ampere, frequency and power factor settings may be accomplished through front panel
controls or remotely by the IEEE-488 Interface. The Series 800 Calibrators also include a Fractional
Setting control to simplify testing of meters (primarily analog) with non decimal cardinal scale points

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