Portable Three Phase Kwh Meter Test Equipment

The Portable Three Phase kWh Meter test equipment is used for grid corporation of measurement and energy test center, management department of power supply bureau, national energy measurement of testing authorities, and also used to test each kind of single/three phase kWh meter of industries and mining enterprises as well as electric meter manufacturers. Meanwhile, the calibrator also can be used as one high precision standard power source.

The GF302D1 three phase portable energy meter test equipment consists of an integrated three phase current source(up to 500V/120A or 500V/20A) and built-in three-phase electronic reference standard of accuracy class 0.05%. Characteristic features of the GF302D1 are its wide measuring range, high accuracy and high tolerance to unwanted external influences. The equipment offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 7" touch LCD-display. Voltage & current harmonics output from 2 to 63 times. This model portable meter test equipment can be programmable by PC, automatic generation of energy meter error test report.

Testing equipment for 3-phase kwh meter
Main technical indexes:
1.The accuracy class of the devices:
Sy3582d-0.05 grade
Sy3582c-0.1 grade
2.Output voltage: 57.7v, 100v, 220v, 380v
Regulation range: 0-120% adjustable continuously
Regulation step: <=0.01%
3.Output current:
0.1a, 0.25a, 0.5a, 1a, 2.5a, 5a, 10a, 20a, 50a, 100a
Regulation range: 0-120% adjustable continuously
Regulation step: <=0.01%
4.Output power: voltage loop 150va
Current loop 250va
5.The stabilities of output voltage, current and power:
<=0.02% 120s pf=1(0.05 grade device)
<=0.05% 120S PF=1(0.1 grade device)
6.Waveform distortion of output voltage, current:<=0.5%
7.Triphase symmetry: better than 120`+0.3`
8.Frequency range: 45Hz-65Hz Regulation step:0.1Hz
9.The range of phase displacement: -180.0`-180.0`Regulation step: 0.1`
10.Standard stability of crystal oscillation: 10-7
11.The class of the monitor meters:0.5 grade
12.Total meters number: 3,6,8,12,24
13.Power supply: 3X220V+10% 50Hz
14.Max power consumption: 1000VA
15.Work environment: Temperature Relative humidity<85%
Main features and functions:
1.Suitable design, good figure. The frame for meters and the body frame is fully made by special aluminum alloy. The table board is composed of fireproofing and heat-proof fibre materials. The whole device is in soft color and good figure.
2.The coexistence of special small keyboard and PCs, convenience to use. This device can be equipped with mobile portable small keyboard, the figure and handle of the small keyboard is similar to the keyboard of PCs. With every key identified clearly and LCD screen, the work status is clear at a glance. Easy operation will carry out. The PC's control software has clear levels, beautiful interface and easy use.
3.High level of automatization. When checking the electric meters, you only need hang the meters manual and adjust the photoelectric sampler and setup the parameters correctly then all of the checking items (including warm-up, dormant test, startup test, standard windage measurement, basic error measurement) will be controlled by PCs automatically and fulfill at once time. The checking program can be designed according to the national regulations or user-defined.
4.Photoelectric sampler can realize three-dimensional adjustment. It can sample the turntable signal of rotary electric meters and the stroboscopic signal of electronic electric meters. The photoelectric head also has the function of auto-turning.
5.The error handling systems can receive the signals of the photoelectric sampler, the output pulse of installation electric meters and high frequency pulse signals of standard electric meters.
6.The electric meters of same type (same in phase line, rated voltage, rated current) and different constants can be checked at the same time(limited in 3 constants).
7.It can check the communication functions of the 485 interface of the multi-function electric meters, demand errors and clock errors(clock signal outputs of the meters are needed).
8.Location of the marker area of the turntable of the rotary electric meters is automatically, that make it convenient for the dormant or startup test.
9.It can be appended 2-21 harmonic at the baseband wave of the working frequency, the amplitude and phase can be set up at you wish. You also can make a harmonic analysis of the output value and draw a waveform graph.
10.It can test the voltage, current, power stability and triphase total power stability of each unit automatically. It can display the comparative errors of the monitor meters and the triphase dissymmetry indexes of the output electric quantity (the devices equipped with digital standard meters).
11.The devices has the features of high stability, good reliability and large output power. The voltage (current) loop can afford different type of loads.
12.The devices have complete functions of breakdown examination, location, protection and warning, it avoid damage for artificial faults of connection or operation.
13.PC software for Windows98(Windows2000,WindowsXP) is written by Delphi5.Control devices and data queries are efficient. It also has the perfect functions of reports print, amount statistics and assets maintenance.

Cabinet: 566X520X800(mm) 250kg,
Frame for meters: 2670X650X1700(mm) 150kg

Features:

1. Check the error of active and reactive of watt-hour meter at the same time, and meanwhile check the error of main and secondary meter in the same circuit.

2. Display the electrical constants such as: voltage, current, power, power factor, phase and frequency and etc.

3. Measure ct ratio, wave form display.

4. Measure 2-51 voltage and current harmonics.

5. Judge wrong wiring.

6. Measure the baud rate for multi-function energy meter and meter number reading.

¦ct secondary loading function.

8. Automatically correct the clamp error.

1.Starting test and creeping test

2.Measuring the different constant meters synchronously.

3.With the protect function of overload, short voltage circuit and open current circuit.

4.The testing software with friendly windows 2000 and xp interface, include functional module of all kinds of modern energy meter needed, to reality error test, harmonic test, demand test, influence test.

5.The stored testing data can be transferred to multi-format for other program using

Overview:

The RT6303-S Three Phase Energy Meter Test Instrument(Split Type) adopts internationally advanced new-generation digital power source technologt,integrates all the technological advantages of both domestic and foreign watt-hour meter calibration software, and is introduced to global market by Rowwin Test in a powerful and sensational way.The Three phase energy meter test instrument¡¯s power source uses MCU single chip microprocessor as its core technology and adopts various techniques as digital synthesis,digital frequency modulation,digital amplitude modulation,digital phase-shifting,pulse width modulation and so on to bring you such important features as high reliability and good load characteristics.Its more humane and intelligent meter calibration software makes it possible for an ordinary,heavy and boring calibration to be carried out more easily and efficiently.

Technical Parameters:
1. Accuracy class: 0.1/0.05
2. Reference standard energy meter: Three phase wide-measurement range standard energy meter,Accuracy class:0.1/0.05
3. Output voltage: 3* 57.7/100/220/380V Y/¡÷,0~120%Adjustment fineness:0.01% full range,adjustable phase by phase
4. Output current: 3* 0.1~100A(200A also available),0~120%Adjustment fineness:0.0001A(minimum),adjustable phase by phase
5. Phase shift:0~360¡ãAdjustment fineness:0.01¡ã,adjustable phase by phase
6. Frequency:45Hz~65Hz,Adjustment fineness:0.01Hz
7. Output waveform distortion:Both voltage and current<0.5%
8. Output voltage,current and power stability:<0.05%(180s)
9. Output capacity(per phase): Current:650VA(120A); Voltage:300VA(16 meter testing positions). If necessary,the maximum load can be extended to Current:1,200VA and Voltage:800VA
10. Load characteristics:Resistive,inductive and capacitive(less than 4uF)
11. Harmonic wave output:2-21st sub-harmonic wave,content<40%; 3rd,5th and 7th sub-harmonic waves are superposed,content<10% each;Control of wave group(sub-harmonic wave)
12. Energy meter testing positions:16/32(standard);3~40 meter testing positions also available
13. Testing functions:Accuracy testing,Creep testing(no load testing),Starting up testing,Harmonic testing,Repeatability testing, Influencing testing,Dial testing and etc.
14. Power supply: AC 3*220/380V¡À10%,50Hz(customer define);Max. power consumption:2000VA(16 meter test positions).

Dimension:
16 meter testing positions(1 rack): 2200*700*1920mm
32 meter testing positions(2 racks): 2200*700*1920mm each
Cabinet: 600*800*1920mm.

Overview:

The RT6303B Multi-function Three Phase Energy Meter Test Instrument adopts internationally advanced new-generation digital power source technology, integrates all the technological advantages of both domestic and foreign watt-hour meter calibration software, and is introduced to global market by Rowwin Test in a powerful and sensational way. The Multi-function three phase energy meter test instrument¡¯s power source uses MCU single chip microprocessor as its core technology and adopts various techniques as digital synthesis, digital frequency modulation, digital amplitude modulation, digital phase-shifting, pulse width modulation and so on to bring you such important features as high reliability and good load characteristics. Its more humane and intelligent meter calibration software makes it possible for an ordinary, heavy and boring calibration to be carried out more easily and efficiently.

Technical Parameters:
1. Accuracy class: 0.1/0.05
2. Reference standard energy meter: Three phase wide-measurement range standard energy meter, Accuracy class:0.1/0.05
3. Output voltage: 3* 57.7/100/220/380V Y/¡÷,0~120%Adjustment fineness:0.01% full range, adjustable phase by phase
4. Output current: 3* 0.1~100A(200A also available),0~120%Adjustment fineness:0.0001A(minimum),adjustable phase by phase
5. Phase shift:0~360¡ãAdjustment fineness:0.01¡ã,adjustable phase by phase
6. Frequency:45Hz~65Hz,Adjustment fineness:0.01Hz
7. Output waveform distortion: Both voltage and current<0.5%
8. Output voltage, current and power stability:<0.05%(180s)
9. Output capacity(per phase): Current:650VA(120A); Voltage:300VA(16 meter testing positions)If necessary, the maximum load can be extended to Current:1,500VA and Voltage:800VA
10. Load characteristics: Resistive, inductive and capacitive(less than 4uF)
11. Harmonic wave output:2-21st sub-harmonic wave, content<40%;3rd,5th and 7th sub-harmonic waves are superposed, content<10% each;Control of conduction angle(odd sub-harmonic wave);Control of wave group(sub-harmonic wave)
12. Starting up current: Minimum 0.3 mA, Accuracy:5%,Starting power: Accuracy:5%
13. Tests: Demand test; Frequency impact test; Voltage impact test; Second pulse clock precision test; GPS clock synchronization; Constant calibration; Combined error test; Various register checking;RS485 communication interface test
14. Energy meter testing positions:16/32(standard);3 to 40 meter testing positions also available
15. Testing functions: Accuracy testing, Creep testing(no load testing),Starting up testing, Harmonic testing, Repeatability testing, Influencing testing, Dial testing and etc
16. Power supply: AC 3*220/380V¡À10%,50Hz(customer define);Max. power consumption:2000VA(16 meter test positions).

Dimension:
16 Meter testing positions(1 rack): 2200*700*1920mm
32 Meter testing positions(2racks): 2200*700*1920mm
Cabinet: 600*800*1920mm.

The GF302D3 portable three phase energy meter test bench consists of an integrated three phase 120A current source and 600V voltage source and a class 0.02 three phase electronic reference standard meter.
The energy meter test bench is particularly designed for analysis of complete metering installations and local mains conditions. The meter test bench offers high functionality combined with an excellent menu guided operation via built-in thirty keys and colored 7 touch LCD-display. It can auto & manual test all kinds of energy meter error. Using on site or in the laboratory. It can preset a variety of test schemes for testing energy meter.

Frequency 50hz ¡¨¤2hz

Outside magnetic field intensity: ¡¨¹0.025mt

Warm-up: the time of warm-up: ¡y30 minutes

Using condition:

Environment temperature: 5¡æ¡-40¡æ

Relative humidity 25%¡«85%

Test current:

0.05a¡«120a

Current range 1a, 10a, 100a

Imax=120a

Test voltage

50v¡-480v

Voltage range: 50v, 100v, 200v, 400v

Umax=480v

Accuracy:

Current:

¡¨¤0.05%rg 0.125¡«120a

Voltage:

¡¨¤0.05%rg 40v¡«480v

Power:

Active power ¡¨¤0.05% (50v¡«480v, 0.2a¡«120a, cosØ¡y0.5)

Reactive power ¡¨¤0.1% (50v¡«480v, 0.2a¡«120a)

Apparent power ¡¨¤0.1% (50v¡«480v, 0.2a¡«120a)

Power factor

Measurement range: 0¡«¡¨¤1

Accuracy: ¡¨¤0.05%rg (cosØ¡y0.5)

Phase:

Measurement range: 0¡ã¡«360¡ã

Accuracy: 0.05¡ã(50hz)

Frequency:

0.03%rd (45hz¡«65hz)

Pulse output:

Ttl level

Load ¡ê¾2kw

High frequency output port: fh

Low frequency output port: fl

Affection of temperature: (5¡æ¡«40¡æ)

Voltage, current and frequency: ¡¨¹¡¨¤15ppm/¡æ

Power: ¡¨¹¡¨¤30ppm/¡æ

Communication port:

Rs232

Rs485

Power supply:

Voltage: ac220v¡¨¤22v

Frequency: 50hz¡¨¤2hz

Power: 40va

Dimension:

432mm¡¨¢131mm¡¨¢308mm

Weight:

15kg