INTRODUCTION
GF112B Single-Phase kWh Meter Calibrator is suitable to test various types single phase meters on site and also can be used to test alternating current parameters.
TECHINICAL SPECIFICATION
Electrical parameter
Accuracy class 0.2%
Active power measurement accuracy 0.2%, 0.5%
Energy measurement accuracy 0.2%, 0.5%
Power supply AAA type, Li rechargeable battery, 750mAh, 3.6V
it can work 8 hours continuously
Warming-up time
GF112B Single Phase kWh Meter Calibrator is suitable to test various types single phase kWh meters error on site and also can be used to test alternating current parameters - U, I, P, Q, S ,F, E etc.
Single phase electronic kwh meter
Main features:
Active e. C measure mode is optional.
Lcd display format is optional.
Tamper function(option):
1p2w
1p1w
Cover open alarm(option): meter cover or terminal cover
Communication port (option): optical port or rs485
Terminal cover: short or long (transparent)
One or two rates controlled by external device (option).
Ip53 in accordance with iec60529: 198
Main Functions:
1.Both-way electric energy metering. Provides precise positive-negative active energy metering and one-way accumulating. Used for power metering and advance unchase of AC single-phase current rated.
2.Advance purchase quantity, preset maximum load-limit and IC card password. IC card transfers data and realizes data including total consumption, remaining quantity, accumulated quantity and total purchases etc.) backward reading.
3.Storage of leave-factory serial number, meter constants, initial data and the user's name and address etc..
4.Alarm and switch off when overload. Alarm at low remaining power to remind user of timely purchasing.
Main Characteristics:
1.High accuracy and import special metering chip. High accuracy, sensitivity and reliability, wide overload endurance, low power consumption, small volume and light in weight; easy installation, convenient auto-control and function expanding.
2.Long service life. With SMT technology and world famous, long-life components employed, its accuracy is not affected by frequency, temperature, voltage and higher order harmonics. Random installation location. No adjustment is needed if it leaves the factory as complete machine. Checkout period can be extended. Hence the workload of Watt-hour Meter testing and checking-out of electric departments is considerably reduced. Obviously better reliability than its similar.
3.Stable operation. Better stability for its wide range working voltage.
4.LED display, bright and clear prevent counter data from Losing at any times.
Single-phase prepayment kWh Meter
Type: DDSY716
Name: Single-phase pre-payment electricity kilo watt-hour meters
Accuracy: Class 1.0 Class 2.0
Power Consumption: <1.5W/6VA
Reference Voltage (V): 220V
Basic Current (A): 1.5(6),2(10),5(25),10(50), 20(80)
Operating Temperature: -20`C~+55`C, Special Demand f¦C35`C~+65`C
Main Usages:
Designed for timesharing electricity metering of new or reconstructed single-phase users. With prepayment function, it is particularly suitable to solve payment-collecting difficulties in residential area, organization, factories, mines and schools excite is preferable in promoting the management level at demand side, inducting the users to better power consumption style to improve power efficiency and electric sources collocation.
Single-phase prepaid kWh meter
Type: DDSY716 Name: Single-phase pre-payment electricity kilo watt-hour meters Accuracy: Class 1.0 Class 2.0 Power Consumption: <1.5W/6VA Reference Voltage (V): 220V Basic Current (A): 1.5(6), 2(10), 5(25), 10(50), 20(80) Operating Temperature: -20`C~+55`C, Special Demand f¦C35`C~+65`C Main Usages: Designed for timesharing electricity metering of new or reconstructed single-phase users. With prepayment function, it is particularly suitable to solve payment-collecting difficulties in residential area, organization, factories, mines and schools excite is preferable in promoting the management level at demand side, inducting the users to better power consumption style to improve power efficiency and electric sources collocation.
Main Functions:
1.Both-way electric energy metering. Provides precise positive-negative active energy metering and one-way accumulating. Used for power metering and advance unchase of AC single-phase current rated.
2.Advance purchase quantity, preset maximum load-limit and IC card password. IC card transfers data and realizes data including total consumption, remaining quantity, accumulated quantity and total purchases etc.) backward reading.
3.Storage of leave-factory serial number, meter constants, initial data and the user's name and address etc..
4.Alarm and switch off when overload. Alarm at low remaining power to remind user of timely purchasing.
Main Characteristics:
1.High accuracy and import special metering chip. High accuracy, sensitivity and reliability, wide overload endurance, low power consumption, small volume and light in weight; easy installation, convenient auto-control and function expanding.
2.Long service life. With SMT technology and world famous, long-life components employed, its accuracy is not affected by frequency, temperature, voltage and higher order harmonics. Random installation location. No adjustment is needed if it leaves the factory as complete machine. Checkout period can be extended. Hence the workload of Watt-hour Meter testing and checking-out of electric departments is considerably reduced. Obviously better reliability than its similar.
3.Stable operation. Better stability for its wide range working voltage.
4.LED display, bright and clear prevent counter data from Losing at any times.
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.
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
