Made in China Wholesale Price Multifunction Power Meter
large-screen dot matrix LCD
AC/ DC: Rated 220V(-20% to +20%)
Interface Type: RS-485, 2-wire
Power quality inspection
Packaging & Delivery
Individual packaging sizes:120mm*115mm*110mm
Seaworthy standard packaging
Shipped in 7 days after payment
LCD 3 phase Multifunction Harmonic Meter is adopted industrial-grade microprocessor as the core, adopted modern digital signal processing technology, integrated functions of electricity quantity telesignalling, telemetry, remote control and transmitter, etc into one. It is designed directly against primary return circuit, can accomplish monitoring function of primary return circuit. It is widely used in industry, commerce, civilian power system and substations.
Voltage measurement, current measurement, power measurement, frequency, power Total Harmonic Distortion of Three-phase Voltage and Current
The harmonic ratio of three-phase voltage and current(2 ~ 31 times)
Three-phase voltage unbalance ,Three-phase current unbalance
Real-time recorded wave of Three-phase current and voltage
64 events, resolution 1ms
Monitors the voltage, current, power, etc., can trigger relay action
1 RS-485 interface, MODBUS protocol, communication speeds up to 9600bps
NOTE:the specific function refer to the meter of it model.
2. Environment Condition
a) Operation Temperature:-25℃~+70℃
b) Atmospheric Pressure:70kPa~106kPa
c) Relative Humidity: 5% ~ 95% (non-condensing)
3. Rated Parameter
a) Power supply
• DC: Rated 220V, Voltage tolerance -20% to +20%
• AC: Rated 220V, Voltage tolerance -20% to +20%
b) AC Input
· Phase voltage: Rated 57.7V, 220V or 400V
· Phase current: Rated 5A or 1A
c) Analog Output(AO)
· Rated 20mA, output range 4-24mA (1.2 times overload)
· Load capacity 500Ω
d) Switch Input
· 24V DC excitation self-excitation
· Front debounce time20ms
e) Relay Output
· Contact capacity: 5A, AC250V
f) Power Consumption
• AC current circuit: Less than 0.2A / phase (rated at 5A)
Less than 0.04A / phase (rated at 1A)
· AC voltage circuit: less than 0.5VA / phase (nominal time)
· Device Power circuit: less than 3W
g) Overload Capability
• AC current circuit: Rated current 1.2 times, continuous operation
Rated current20 times, allowing 1s
· AC voltage circuit: Rated voltage 1.2 times, continuous duty
Rated voltage2 times , allowing 10s
h) Communication Interface
· Interface Type: RS-485, 2-wire
· Work: Half-duplex
Communication protocol: MODBUS
4. Basic Measurement
Nature of the Load
Frequency (A Phase)
Total Harmonic Distortion of Voltage
Total Harmonic Distortion of Current
Current 2-31 Harmonic Ratio
Voltage 2-31 Harmonic Ratio
Table 3.1 describes the sign symbol representation of the power.The symbol of power factor is the same as the symbol of active power.
6. Power Quality
Voltage Qualification Rate
3phase Qualification Rate
Voltage sequence components
Positive sequence component of voltage, negative sequence component of voltage, zero-sequence component voltage
Current Sequence Components
Positive sequence component of current, negative sequence component of current, zero-sequence component of current
Packaging & Shipping
1 pc/inner box, 40pcs/carton.
After payment done, goods will be shipped to you within 5~30 days according to quantity
1. Shipment by Sea, by Air or Courier (DHL/FEDEX/TNT/UPS/EMS/CHINA POST MAIL)
2. As per clients request.
Zhuzhou Sanda Electron Manufacturing Co.,Ltd is a modernized high-tech enterprise engages in the research, produce and supplier of intelligent instruments for electric power grid and switch cabinet.
We design,produce and sell: 1. Multi-function electric meter, multi-function network meter, multi-function harmonic meter, digital ammeter, digital voltmeter. 2.Switchgear intelligent operating devices, switch state indicator. 3.Over voltage protective device. 4.Temperature and humidity controller, dry-type transformer temperature and humidity controller.
Widely use in electricity facilities worldwide: • Oil & chemical, mechanical • Construction and are applicable for terminal body. • High voltage switch cabinet, substation. • Low voltage box • Low-voltage AC power distributing cabinet • Low voltage cabinet.
Cooperate with Sanda, enjoy safe electricity.
Factory direct supply, all goods can be customized.
OEM/ODM is available.
Intelligent Digital frequency meteris widely used in chemical industry, cement industry, metallurgy industry, construction industry, and power industry. Up to now, we have bid for many engineering projects. Certified quality guards safe usage.