| Customization: | Available |
|---|---|
| After-sales Service: | New One Replace Within One Year |
| Warranty: | 3years |
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The meter is designed to measure three phase four wire AC active energy like residential , utility and industrial application. It is a long life meter with the advantage of high stability , high over load capability , low power loss and small volume .
Prouducts character
1. Current transformer access type,support 5A/1A output current transformer
2. Standard 7-modulus width,TH35-7.5 type rail installation
3. Multi-function parameter measurement, providing voltage, current, active power, reactive power, apparent power, power factor, phase Angle, etc.
4. Support two-way electric energy metering, provide monthly electricity consumption statistics for the last 12 months, and daily electricity consumption statistics for the last 31days
5. In-built relay, support remote control and prepaid management control,providing latest 50 times opertation records,10 SOE event records
6. Support the power consumption parameter monitoring and alarm function
7. Support WIFI,LoRa,NB-IoT,4G etc. wireless communication way
8. Support 1 passive pulse output, 1 RS485 communication
Technicial parameters
| Model | DAC7321C/DAC7320C/DAC7321C-CT/DAC7320C-CT | |
| Electrical Characteristics | Rate voltage (Un) | 3*110/190V or 230/400V AC |
| Operational voltage | L-N: 85 to 275V AC; L-L: 85 to 480V AC | |
| Overload capacity of voltage | 2*Un for 1 second | |
| Rate current(Ib) | 5A | |
| Maximum current(Imax) | 6A | |
| Operational current | 0.1%Ib to Imax | |
| CT1 (Primary) | 1 to 9999 A | |
| Impedance of current measures circuit | <0.01 ohm | |
| Overload capacity of current | 20*Imax for 0.5 second | |
| Operational frequency range | 45 - 65Hz | |
| Power consumption | <2W/10VA | |
| Pulse constant | 1000 imp/kWh | |
| Display | LCD with backlight | |
| Maximum reading of energy | 99999999 kWh/kVarh | |
| Measure type | Three phase four wire | |
| Measurement accuracy | Voltage, Current | ±0.5% |
| Active power | ±0.5% | |
| Reactive power | ±2.0% | |
| Apparent power | ±1.0% | |
| Active energy | ±0.5% | |
| Reactive energy | ±2.0% | |
| Power factor | ±1.0% | |
| Frequency | ±0.2% | |
| Environmental Characteristics | Operating Temperature | -25 to +55ºC |
| Storage Temperature | -40 to +80ºC | |
| Humidity | < 90%, non-condensing | |
| Pollution Degree | 2 | |
| Altitude | Up to 2000m | |
| Vibration | 10 Hz to 150Hz, IEC 60068-2-6 | |
| IP Degree of Protection | Designed to IP51 front display, IP30 meter body | |
| Electromagnetic Characteristics | Electrostatic Discharge | ±8kV(contact discharge),±15kV(air discharge); Level 4, according IEC 61000-4-2 |
| Immunity to Radiated Fields | 10V/m,80 - 2000MHz; Level 3, according IEC 61000-4-3 | |
| Immunity to Electrical Fast Transients | ±4kV; Level 4, according IEC 61000-4-4 | |
| Immunity to Surges | ±4kV; Level 4, according IEC 61000-4-5 | |
| Immunity to Conducted Disturbances | 10V,0.15 - 80MHz; Level 3, according IEC 61000-4-6 | |
| Immunity to Magnetic Fields | IEC 61000-4-8 | |
| Immunity to Voltage Dips | IEC 61000-4-11 | |
| Radiated Emissions | Class B, according EN55011 | |
| Conducted Emissions | Class B, according EN55011 | |
| Harmonics Emissions | IEC 61000-3-2 | |
| Safety | Overvoltage Category | CAT III, according IEC 61010-1 |
| Measurement Category | CAT III, according IEC 61010-1 | |
| Insulation | AC Voltage Test: 4kV for 1 minute | |
| Impulse Voltage Test: 6kV - 1.2/50µS waveform | ||
| Protective Class | II, according IEC 61010-1 | |
| Communications | Interfaces standard and protocols | 2-wire RS485, Modbus RTU Optional: Mbus |
| Buad rate | 1200 to 9600 bps, default is 9600 bps | |
| Parity bit | None, Even, Odd, default is None | |
| Stop bit | 1 or 2, default is 1 | |
| Response time | <100ms | |
| Transmission mode | half-duplex | |
| Transmission distance | Up to 1000m | |
| Max. Bus loading | 32 pcs | |
| Wireless communications | Types that can be supported | WIFI, LoRa, NB-IoT, 4G |
| Pulse output | Interface type | Open collector optocoupler |
| Pulse constant | Per pulse equal 0.001/0.01/0.1/1 kWh/kvarh (Configurable) | |
| Pulse width | 60/100/200 milliseconds (Configurable), default is 100milliseconds | |
| Pulse output type | Import/export/total active energy, Import/export/total reactive energy (Configurable) | |
| Class | Class A, according IEC 62053-31 | |
| Input voltage | 5 to 27 VDC | |
| Relay output | Type | electromagnetic relay |
| Output frequency | 10Hz maximum | |
| Switching current | 250 V AC at 3.0 Amps, 100k cycles | |
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