M850-LCD Multifunction Digital Power Meter

SKU:
M850LCDOS

Contact us at sales@hoytmeter.com for availability and price

M850-LCD Multifunction Digital Power Meter

M850-LCD MultiPower is a low cost 96x96mm metering system for AC applications.

  • Complete 1-phase and 3-phase digital universal metering system.
  • Measures a standard range of 19 different parameters.
  • Continuous display of kW.h or kVAr.h.
  • THD option for Current and Voltage.
  • Four easy to access front control buttons to scroll up or down through the parameters.
  • Unique LCD FSTN display with customer selectable back lighting with user-selectable color options of blue, green or white.
  • MODBUS RTU and BACnet MS/TP communications protocols for use with PC, PLC, RTU, Data Loggers and SCADA programs.
  • Communicate with up to 32 other meters or controllers on 2-wire bus.
  • UL listed.
  • Non-volatile eeprom memory retains all current ratios, demand time periods, and calibration data in power down (power loss) conditions.
  • Auxiliary power supply is a universal supply for both AC and DC volts.
  • Fast response times: Display, less than 50ms; RS485 (Modbus), less than 10ms.

Contact us at sales@hoytmeter.com for availability and price

Specifications

System types

  • Single Phase: 3-Phase 3-Wire Unbalanced.
  • Single Phase 3-Wire: 3-Phase 4-Wire Balanced.
  • 3-Phase 3-Wire Balanced: 3-Phase 4-Wire Unbalanced.

Display

  • Digit Size: 6mm, 7 segment LCD.
  • Screen Size 14.2mm high.
  • Backlight Blue, Green, White (User-selectable).
  • Update Time: 1 second.
  • Energy: 1 line 99999999.

Inputs

  • Voltage: 28V to 347VAC (L-N), 48V to 600VAC (L-L).
  • Overload: 800VAC continuous.
  • Burden: 0.5VA per phase.
  • Current Input: Via CT: 5A; 1A,AC | CT Option: 0.5 to 6A,AC; 0.1 to 1.2A.
  • Input Overload: 10 x In for 1 sec.
  • Input Burden: 0.5VA per phase.
  • Frequency: 45-65Hz (Optional 360-440Hz).
  • Input Working Range: V&I from 1.7% to 100%.

Accuracy

  • Volts/Amps: 0.5% of reading ± 2 digits.
  • Frequency: 0.1Hz ± 1 digit.
  • Active Power / Reactive Power / Apparent Power: 1% of reading ± 2 digits.
  • Power Factor: 1% of range.
  • Energy: IEC 1036, Class I.

Auxiliary Voltage

  • 100 to 440VAC; 100 to 420VDC (Optional 19 to 69VDC).
  • 45-65Hz, Burden <10VA.

Communications: RS485 MODBUS Protocol. Pulsed Output: W.h, VAr.h.

General

  • Temperature Working: -4F to +158F (-20C to +70C).
  • Temperature Storage: -22F to +176F (-30C to +80C).
  • Relative Humidity 0-95% non-condensing.
  • Shock 30G in 2 planes.

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