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Probewell MT-1/WT3 - Meter Testing Procedures; Test Methodologies

Probewell MT-1/WT3
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Probewell Lab Inc.
Page 14
An electronic reference standard traceable to NIST. The electronic
standard must have at least one isolated current input port of a minimum
capacity of 50 A with auto ranging capability and a typical precision of
0.01% or better.
A laboratory-stabilized and -isolated AC power source with fundamental
waveform selectable 120 V or 240 V, 60 Hz, rated at least 150 VA.
The Accuracy Test Kit (ATK-3) for three-phase testers.
For more information on the socket accuracy test please refer to the ATK and
Probewell Connect for WT series documentations.

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