MultiDin Meter


MultiDin (M80x)

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M802 Introduction

Multidin M80x is a 96x96mm cased LCD three phase power meter. It measure Volts, Amps, Frequency, Demands, Maximum Demands, Active Power, Reactive Power, Apparent Power, Active Energy, Reactive Energy and Real Power Factor.

The M801 is a lower cost LCD version, measuring Volts, Amps, Frequency, Active Power and Apparent Power.

They feature the option of pulsed output and an RS485 port using Modicon's Modbus protocol.

M802 specification

Input (accuracy range)
Rated Un:
Direct connected voltages between 57.8 and 600 V.
Standard voltages offered :-
Three phase four wire 63.5/110V, 69.3/120V, 120/208V, 220/380V, 230/400V, 240/415V, 277/480V
Three phase three wire 110V, 120V, 380V, 400V, 415V, 440V, 480V
Range 5-120%
Un Burden 0.5VA per phase
Rated In:
1A or 5A
Range 5-120%
Burden 0.5VA per phase

Frequency 50 / 60 Hz nominal range 45/65Hz

1.5 x Un continuous, 4 x Un for 1 second
4 x In continuous, 50 x In for 1 second

Voltage 0.5% of reading ± 2 digits
Current 0.5% of reading ± 2 digits
Frequency 0.1Hz ± 1 digit
PowerFactor 1% of reading ± 2 digits
Active Power 1% of reading ± 2 digits
Reactive Power 1% of reading ± 2 digits
Apparent power 1% of reading ± 2 digits
Active Energy 1% of reading (IEC 1036)
Reactive Energy 1% of reading (IEC 1036)
Demands 1% of reading ±2 digits

Auxiliary Voltage
AC Voltage 115/230/400V (± 15% )
45 to 65 Hz.
Burden < 7 VA
Optional DC auxiliary 12V, 24V, 30V, 48V, 110V, 125V

Single phase
3 phase 3 wire unbalanced load
3 phase 4 wire unbalanced load

6 digit Custom LCD.
7mm high black characters.
Green backlighting.
Update time 1 second

Test Voltage:
3 kV RMS 50 Hz for 1 min between inputs/case/relay output.
2.5kV between RS232 output/inputs/case/relay.
Impulse Test:
EMC 5kV transient to comply with IEC 801/EN 55020
HF interference:
EHF 2.5 kV 1 MHz to comply with IEC255-4
Class II complying with IEC348/BS4753/DIN 57411/VDE 0411


Working Temperature 0 to +50 °C
Function Temperature -5 to + 60 °C
Storage Temperature -10 to +65 °C
Temperature Coefficient 0.01% per °C
Relatively Humidity 0-95% non condensing
Warm up time 1 min.
Shock 30g in 3 planes

Standard DIN case DIN 96 x 96 x 98mm
Panel mount using 4 corner brackets.
Panel cutout 92 + 0.8mm x 92 + 0.8mm
Material Black Polycarbonate complying with UL 94 VO
Terminals Screw terminal for 2 x 0.5-3.5mm
Weight 0.6kg

Applied Standards
General IEC 688 BSEN60688, BS4889, IEC 359
EMC Emissions EN61326-1
Immunity EN61326-2
Safety EN61010-1

Pulsed output W.h or VAr.h User programable
Relay - N/O volt free contact 50V 150mA 5W ac/dc
1 pulse per W.h or kW.h or MW.h depending on input values. values.
Pulse duration programmable in steps of 20ms from 20 ms to 200 ms

RS 232 or RS 485 output
Baud rate programmable 19200, 9600, 4800, 2400
Parity programmable Odd, even or none
Stop bits programmable 1 or 2
Addresses programmable 1 to 247 (RS485 only)
Transmission distance 15 metres RS 232
Transmission distance 1.2kM RS 485