Radian RD-30 Operation Manual
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Contents
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RD-30 Operations ManualSpecifications143.0 Specifications3.1 AccuracyAll measurement functions excluding harmonic evaluation available on the RD-30 exhibit thesame transfer accuracy at any combination of the normal operating conditions. The errorsassociated with these functions are in percent of reading displayed and include variables ofstability, temperature, power factor, traceability uncertainty, and test system errors.Guaranteed Accuracy: +/- 0.04%For harmonic evaluation, an RD-30 will exhibit different accuracies of harmonic measurementdepending on their order. The errors associated with these harmonics are in percent of reading atany combination of the normal operating conditions.1st – 23rd Harmonic: +/- 0.25%24th – 64th Harmonic: +/- 0.50%Even and Odd Harmonic Error Influence: The RD-30 does not care whether the harmonics are oddor even. The worst-case error is 0.04% starting at the fundamental with a linear error increase of0.5% at the 64th harmonic order.3.2 Input/OutputINPUTS 1, 2, 3 Display Gate: BNC with 150 ohms pull up to 5 volts, clamped at 5.7 volts Gate Rate: 200 nS pulse width minimum, maximum 20 Hz repetition rateOUTPUTS 1, 2, 3 Type: Open collector, clamped at 27 volts Frequency: Max 2.1 MHz (200 nS pulse width minimum) Metrics: Selectable, i.e. Watt Hours, VAR Hours, VA Hours, etc. |
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