SWS 1.3

The SWS 1.3 three-phase, electronic reference standard in 0.1 accuracy class for use in meter test systems

Key points of the SWS 1.3
• Three-phase working standard
• Precision measurement unit for AC values in the frequency range of 45 to 66 Hz
• Measurement of active, reactive and apparent power in 3 and 4 wire networks
• Impulse output for energy
• Current, voltage and Frequency measurement
• Control of output relays to control the energy dosage of register tests
• Error measurement

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