Methods of connecting an alternate-current demand meter for 440 and 660-volt loads. For 110 and 220-volt loads (and direct-current loads), the transformer is omitted.

Connecting Demand Meter

Methods of connecting an alternate-current demand meter for 440 and 660-volt loads. For 110 and 220-volt…

The Wright demand meter.

Demand Meter

The Wright demand meter.

A printometer-type demand meter arranged in a self-contained case for field tests.

Printometer

A printometer-type demand meter arranged in a self-contained case for field tests.

The principles of operation of the Wright demand meter.

Wright Meter

The principles of operation of the Wright demand meter.