Probewell MT-1/WT3, User Manual, Page: 15 / 86

Probewell Lab Inc.
Page • 14
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An electronic reference standard traceable to NIST. The electronic
standard must have at least 1 isolated current input port of a minimum
capacity of 50A with auto ranging capability and a typical precision of
0.01% or better;
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A laboratory stabilized and isolated AC power source with fundamental
waveform selectable 120V or 240V, 60Hz, rated at least 150VA;
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The Accuracy Test Kit (ATK-3) for three-phase testers.
For more information on socket accuracy test please refer to the ATK and Probewell
Connect for WT series documentations.