Q: M850 LCD

M850 Introduction MultiPower M850 is a low cost 96x96mm cased three phase power meter.It measures line Voltages and Currents, Neutral Current, System Frequency, System W, A and VA Demands, System W, A and VA Maximum Demands, System Active Power, System Reactive Power, System Apparent Power, System Active Energy, System Reactive Energy and System Power Factor.The LCD version has a universal power supply. It features the options of pulsed outputs, an RS485 port using Modicon's Modbus protocol and Modbus MSTP over an ethernet network.

Q: M850-MPD (DC)

M850-MPD (DC) Introduction MultiPower M850-MPD is a low cost 96x96mm cased dc power meter.The M850-MPD measures the following:Voltage, import/export current, import/export power, import energy (W.h), import ampere hours (A.h), import max/demands (Ad and Wd)Voltage ranges: 0-60V, 0-150V, 0-300V, 0-800VThe M850 incorporates a BLUE or RED LED display and universal power supply.It features the options of pulsed outputs, and a RS485 port using Modicon's Modbus protocol.

Q: Specification (DC)

Input (accuracy range) Un (options)80V to 800V dc, 30V to 300V dc, 15V to 150Vdc or 6V to 60V dcBurden Overload Un x 1.25 indefinitelyIn x 5 for 1 sec Accuracy Voltage 0.5% +/- 2 digitsCurrent 0.5% +/- 2 digitsPower (W,) 1.0% +/- 2 digitsEnergy IEC 1036 Class 1 Auxiliary Voltage 100V to 440V ac (45Hz to 65Hz)100V to 420V dcBurden: Display Digits 3 lines 9999Digit size 14.2mm 7 segmentUpdate time 1 second Insulation Installation Category III (480V)Degree of Pollution 2Rated Impulse Voltage IEC 60947-1-Vimp 4kVMeter Front Class IIElectrical Security IEC 61010-1 Electromagnetic Compatibility Immunity:ESD IEC 61000-4-2-Level IIIRadiated IEC 61000-4-3-Level IIIFast Transient IEC 61000-4-4-Level IIIImpulse Waves IEC 61000-4-5-Level IIIConducted IEC 61000-4-6-Level IIIVoltage Dips/Short Interruptions IEC 61000-4-11-Level IIEmissions:Conducted and Radiated CISPR11-Class A Environment Working Temperature 0 to 60 deg CStorage Temperature -40 to 85 deg CRelative Humidity 0-95% non condensingShock 30G in 2 planes Enclosure Standard DIN case 96 x 96 x 60mmPanel mounting 4 retaining clipsCutout 92.8mm x 92.8mmIP Rating - Front IP52 / NemaIP Rating - Case IP30 / Nema Options Plug-in RS485 module (Modbus)Plug-in relay module (W.h VAr.h)19V-69V d.c. Auxiliary

Q: M850 LED

M850 Introduction MultiPower M850 is a low cost 96x96mm cased three phase power meter.It measures line Voltages and Currents, Neutral Current, System Frequency, System W, A and VA Demands, System W, A and VA Maximum Demands, System Active Power, System Reactive Power, System Apparent Power, System Active Energy, System Reactive Energy and System Power Factor.The M850 incorporates a BLUE or RED LED display and universal power supply. It features the options of pulsed outputs, an RS485 port using Modicon's Modbus or BACnet protocols and Modbus MSTP over an ethernet network.

Question 1

M850 LCD

Accepted Answer

M850 IntroductionMultiPower M850 is a low cost 96x96mm cased three phase power meter.It measures line Voltages and Currents, Neutral Current, System Frequency, System W, A and VA Demands, System W, A and VA Maximum Demands, System Active Power, System Reactive Power, System Apparent Power, System Active Energy, System Reactive Energy and System Power Factor.The LCD version has a universal power supply. It features the options of pulsed outputs, an RS485 port using Modicon's Modbus protocol and Modbus MSTP over an ethernet network.

Question 2

M850 LCD Specials

Accepted Answer

Unless stated otherwise, all M850 meters listed below have the same specification as the standard M850-MP1

M850-LTHD
In addition to the standard M850 measurements, the M850-LTHD measures the THD of the voltage and current inputs.
Accuracy: 2% Range: 5%-75% THD Frequency: 45-65Hz

Ordering code: M850-LTHD

M850-L400
All the functions of the standard M850 at 400Hz

Ordering code: M850-L400

Question 3

M850-MPD (DC)

Accepted Answer

M850-MPD (DC) IntroductionMultiPower M850-MPD is a low cost 96x96mm cased dc power meter.The M850-MPD measures the following:Voltage, import/export current, import/export power, import energy (W.h), import ampere hours (A.h), import max/demands (Ad and Wd)Voltage ranges: 0-60V, 0-150V, 0-300V, 0-800VThe M850 incorporates a BLUE or RED LED display and universal power supply.It features the options of pulsed outputs, and a RS485 port using Modicon's Modbus protocol.

Question 4

Specification (AC)

Accepted Answer

M850 specificationInput (accuracy range)Un 28V to 330V L-N (48V to 570V L-L)Burden < 0.5VAIn (5A specified) 0.5A to 6A via CTIn (1A specified) 0.1A to 1.2A via CTBurden < 0.5VAFrequency 45Hz to 65HzSecondary of CTs must be connected to earthInput (working range)Voltage and Current 1.7% - 100%Overload800V L-L indefinitely, In x 10 for 1 secAccuracy (8.4% - 100% of range)Voltage 0.5% +/- 2 digitsCurrent 0.5% +/- 2 digitsPower (W,VAr,VA) 1.0% +/- 2 digitsPower Factor 1% of rangeFrequency 0.1 HzEnergy IEC 1036 Class 1Auxiliary Voltage100V to 440V ac (45Hz to 65Hz)100V to 420V dcBurden: < 10VADisplayDigits (LED/LCD) 3 lines 9999Digit size 14.2mm 7 segmentEnergy (LCD) 1 line 99999999Digit size 6mm 7 segmentUpdate time 1 secondInsulationInstallation Category III (480V ph/ph)Degree of Pollution 2Rated Impulse Voltage IEC 60947-1-V imp 4kVMeter Front Class IIElectrical Security IEC 61010-1Electromagnetic CompatibilityImmunity:ESD IEC 61000-4-2-Level IIIRadiated IEC 61000-4-3-Level IIIFast Transient IEC 61000-4-4-Level IIIImpulse Waves IEC 61000-4-5-Level IIIConducted IEC 61000-4-6-Level IIIVoltage Dips/Short Interruptions IEC 61000-4-11-Level IIEmissions:Conducted and Radiated CISPR11-Class AEnvironmentWorking Temperature (LED) -10 to 60 deg CWorking Temperature (LCD) -20 to 70 deg CStorage Temperature -30 to 80 deg CRelative Humidity 0-95% non condensingShock 30G in 2 planesEnclosureStandard DIN case 96 x 96 x 60mmPanel mounting 4 retaining clipsCutout 92.8mm x 92.8mmIP Rating - Front IP52 / NemaIP Rating - Case IP30 / NemaOptionsPlug-in RS485 module (Modbus)Plug-in relay module (W.h VAr.h)19V-69V d.c. Auxiliary

Question 5

Specification (DC)

Accepted Answer

Input (accuracy range)Un (options)80V to 800V dc, 30V to 300V dc, 15V to 150Vdc or 6V to 60V dcBurden < 0.5VAIn (options)1A to 10A or mV input (50mV, 60mV or 75mV)Burden < 0.5VAVoltage (-) is internally connected to L1 (l)OverloadUn x 1.25 indefinitelyIn x 5 for 1 secAccuracy Voltage 0.5% +/- 2 digitsCurrent 0.5% +/- 2 digitsPower (W,) 1.0% +/- 2 digitsEnergy IEC 1036 Class 1Auxiliary Voltage100V to 440V ac (45Hz to 65Hz)100V to 420V dcBurden: < 10VADisplayDigits 3 lines 9999Digit size 14.2mm 7 segmentUpdate time 1 secondInsulationInstallation Category III (480V)Degree of Pollution 2Rated Impulse Voltage IEC 60947-1-Vimp 4kVMeter Front Class IIElectrical Security IEC 61010-1Electromagnetic CompatibilityImmunity:ESD IEC 61000-4-2-Level IIIRadiated IEC 61000-4-3-Level IIIFast Transient IEC 61000-4-4-Level IIIImpulse Waves IEC 61000-4-5-Level IIIConducted IEC 61000-4-6-Level IIIVoltage Dips/Short Interruptions IEC 61000-4-11-Level IIEmissions:Conducted and Radiated CISPR11-Class AEnvironmentWorking Temperature 0 to 60 deg CStorage Temperature -40 to 85 deg CRelative Humidity 0-95% non condensingShock 30G in 2 planesEnclosureStandard DIN case 96 x 96 x 60mmPanel mounting 4 retaining clipsCutout 92.8mm x 92.8mmIP Rating - Front IP52 / NemaIP Rating - Case IP30 / NemaOptionsPlug-in RS485 module (Modbus)Plug-in relay module (W.h VAr.h)19V-69V d.c. Auxiliary

Question 6

M850 LED

Accepted Answer

M850 IntroductionMultiPower M850 is a low cost 96x96mm cased three phase power meter.It measures line Voltages and Currents, Neutral Current, System Frequency, System W, A and VA Demands, System W, A and VA Maximum Demands, System Active Power, System Reactive Power, System Apparent Power, System Active Energy, System Reactive Energy and System Power Factor.The M850 incorporates a BLUE or RED LED display and universal power supply. It features the options of pulsed outputs, an RS485 port using Modicon's Modbus or BACnet protocols and Modbus MSTP over an ethernet network.

Question 7

M850 Specials

Accepted Answer

Unless stated otherwise, all M850 meters listed below have the same specification as the standard M850-MP1 or M850-MPD

M850-THD
In addition to the standard M850 measurements, the M850-THD measures the THD of the voltage and current inputs.
Accuracy: 2% Range: 5%-75% THD Frequency: 45-65Hz

Ordering code: M850-THD

M850-400
All the functions of the standard M850-MP1 at 400Hz

Ordering code: M850-400

M850-BAC
All the measurements of the standard meter with BACnet protocol. RS485 plug in communication module required for this option.

Ordering code: M850-BAC

M850-MVM
The M850-MVM has 330mV ac inputs instead of the standard current inputs. The voltages are usually provided by clamp-on miniature current transformers which are ideal for retrofit applications.

Ordering code: M850-MVM (Other input values available on request).

M850-MPH
All the measurements of the standard meter plus an Hours Run option.

Ordering code: M850-MPH

M850-MPV / M850-MPA
The M850-MPV displays LN and LL voltages only.
The M850-MPA displays current and maximum demand only.

Ordering code: M850-MPV (voltage) and M850-MPA (current)