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
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Electrical parameters Accuracy 0.05%, 0.1% Power Supply One Phase AC 180-265V, frequency 50/60Hz. AC Voltage Output Range(U1,U2,U3) 57.7V, 100V, 220V, 380V or 69.3V, 120V, 240V, 480V( optional) Adjustment range (0-120)%RG(1) Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability 0.01%/120s Distortion 0.3% (Non-capacitive load) Output load each phase 25VA Measuring accuracy 0.05%RG AC Current Output Range(I1,I2,I3) 200mA, 1A, 5A, 20A, 100A Adjustment range (0-120)%RG Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability
Name: single phase electricity meter case Material: PC, ABS Can be customized
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Name: meter box, meter cabinet Material: PC, ABS Can be customized
The GF1000 series multi-positions single phase kWh meter test bench can measure mechanical meters, electronic mechanical meters and electricity meter error by the way of automatic, semi-automatic or manual operation. It composes of single phase programmable power source, high precision single phase reference energy meter, meter suspension test rack, Multi-channel server and precision clock source etc. GF1000 meter test bench is applied in the measurement centre of grid company energy measurement department of power supply company and energy management utility, industrial enterprise and meter manufacturers.
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.
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
Snt 1100 single phase meter test bench is widely used in power utilities,¡émeter manufacturer,¡émeasurement/quality test lab and other enterprises to test single phase energy meter.
