Multitek MultiLed M812-LD Series Operating Manual page 4

1.1 General
The MultiLed M812-LD* is a compact 96 x 96 mm Din case 3
phase power meter, with the ability to measure Volts, Amps,
Frequency, Active Power, Reactive Power, Apparent Power, Active
Energy, Reactive Energy, Power Factor, Average Demand Amps,
Active Power Apparent Power, Maximum Demand Amps, Active
Power and Apparent Power
Power Systems :- Single Phase, Single Phase 3 wire, 3 Phase 3
wire unbalanced load & 3 Phase 4 wire unbalanced load.
The MultiLed is designed to be user friendly and simple to use. All
operations are controlled by the two push buttons
front of the M812-LD*
All necessary programming is also carried out via the front two
control buttons.
Each phase current and voltage is measured continuously and all
other parameters are derived from these measurements in the
software. Voltage and current measurements are true RMS.
1.2 Memory
All data including energy registers, current and voltage ratios and the
calibration data is stored in a non volatile e
2
e prom requires no battery or other circuitry to maintain the stored
data.
2
prom memory. The
3
& on the