Three Phase Digital Power Meter ZM – M

Technical Functions

• Audible Alarm: Specifically for configurable local electrical measurement alarms and over – limit alarms, with mute function (optional).
• Environmental Measurement: Temperature and humidity, specifically for independent temperature/humidity control of output relays (optional).
• Electrical Measurement: Voltage, current, total/phase – by – phase active power, total/phase – by – phase reactive power, total/phase – by – phase apparent power, total/phase – by – phase power factor, frequency; accuracy class 0.2.
• Harmonic Measurement: Total harmonic content of voltage and current / 2nd – 31st harmonic content ratio, fundamental/harmonic effective values of voltage and current, accuracy class B.
• Harmonic Quality: Voltage peak factor CF, current factor KF, telephone harmonic form factor THFF.
• Electrical Energy Metering: (Four – quadrant) bidirectional active and reactive energy, time – of – use rate energy (optional); accuracy class 0.2.
• Display: FSTN LCD display, Chinese graphic display.
• Power Supply: AC/DC 85 – 265V, AC 220V, AC/DC 48V (custom – made required).
• Communication: International standard RS – 485 interface, ModBus – RTU protocol, networkable.
• Extended Functions (optional): 8 – channel (DI) digital input, 5 – group condition – set (DO) digital output, 4 – channel (AO) analog transmission output.

• Technical Parameters

• Product Model	Specification	Measurement	Electric Energy	Display	RS485 Communication
  ZM - ABH(F)Z	72 square	Three - phase voltage, current, active power, reactive power, apparent power, power factor, frequency, 2 - 31st harmonics, fundamental/harmonic effective value, voltage wave peak, current coefficient, telephone harmonic waveform factor	Active energy metering Reactive energy metering	Segment FSTN LCD	Standard configuration
  ZM - 6BH(F)Z	80 square			Segment FSTN LCD
  ZM - 9BH(F)Z	96square			Segment FSTN LCD
  ZM - 2BH(F)Z	72 square			Segment FSTN LCD
  ZM - 9BH(F)ZB	80 square			Chinese LCM LCD
  ZM - 2BH(F)ZB	96 square			Chinese LCM LCD

  WordPress Table

• Peripheral Functions (Optional)

• Module	Function
  Electric energy pulse	2 - channel electric energy pulse output, configurable as active, reactive, electric energy output
  Time - of - use electric energy	8 time periods, 4 tariff rates
  Temperature and humidity	Over - limit alarm. 2 relays are respectively dedicated to temperature and humidity control output
  Analog output	4 - channel analog 4 - 20mA transmission output
  Switch input and output	8 - channel switch input, 5 - group conditional output

  WordPress Table

• Outline and Installation Dimensions

• Outline Code	Outline Dimensions (L × H)	Mounting Hole Dimensions (S × Y)	Description
  A	72 × 72	67 × 67	72 - square
  6	80 × 80	76 × 76	80 - square
  9	96 × 96	91 × 91	96 - square
  2	120 × 120	111 × 111	120 - square

  WordPress Table

• • 

  • Ordering Instructions

     

    • Order Example
    • When signing the contract, please specify in detail the product model, input signal, wiring method and other information. If there are no special requirements from the customer, the instrument will be configured according to the factory default.
    • Model: ZM – 9BHZ (96 – type three – phase harmonic meter)
    • Input: 380V/220V, 5A
    • Communication Interface: RS – 485 interface, ModBus – RTU protocol