Hoyt Electrical Instrument Works, Inc. Alpha 40A Plus, Руководство по эксплуатации

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PT Primary, PT Secondary, CT Primary, CT Secondary 3 Phase 3W,
3 Phase 4W, 1 Phase 2W system.
The front panel has two push buttons using which the user can scroll
to measured power.
1. INTRODUCTION
The Multifunction Energy Meter is a panel mounted 114mm x 114mm ANSI round and 96 x 96mm
DIN Quadratic Digital Panel Meter, which measures important electrical parameters in 3 ph 4 wire
/ 3 wire / 1ph Network and replaces the multiple analog panel meters. It measures electrical
parameters like AC voltage, Current, Frequency, Power, Energy(Active / Reactive / Apparent), phase
angle, power factor & many more. The instrument integrates accurate measurement technology (All
Voltages & current measurements are True RMS upto 15th Harmonic) with LCD display with backlit.
UP DOWN
Impulse
Alpha 40A+
2. MEASUREMENT READING SCREENS
In normal operation, the user is presented with one of the measurement
reading screens out of several screens. These screens may be scrolled
through one at a time in incremental order by pressing the “UP key” and in
decremental order by pressing “DOWN key”.