System description:
Introducing new epa 300, a portable standard meter
Used for the measurement of the three phase power
And the energy. Various measuring features combined with its easy operation concept provide the greatest possible flexibility for a comprehensive testing of metering installations on site.
Features:
1. On line calibration with external ct
2. Direct current option up to 10a
3. Accuracy < 0.2%
4. Large lcd display.
5. Pulse input & output
6. Sensor for pulse out led
Functions:
1. Power and energy measurement of active, reactive and apparent energy
2. Frequency-, phase angle- and power factor measurement.
3. Error measurement on electric meters.
Actual values measurement:
1. Rms values of all voltage and current phases
2. Currents for all 3 phases
3. Frequency and power factor - cos ϕ.
4. 3 phase - kw, kwh, kva, kvar, kvarh
5. Percentage of the measurement error with pulse input.
Technical data:
1. Power supply: 85-250vac, 50/60hz.
2. Voltage measurement: 0……300v
3. Voltage measurement accuracy: < 0.1%
4. Current measurement: 50ma ….10a (for direct measurement)1 a…1000a (for measurement with clip -on ct)
5. Current measurement accuracy: direct measurement <0.1% with external ct <0.2%.
6. Frequency measurement: 40….60hz.
7. Energy accuracy: <0.2%
The instrument GF312D1 is a precision 0.05% AC energy meter testing instrument, mainly used to test three phase energy meter error on site, measure all various of AC parameters and CT ratio & phase error, it is also as three phase reference energy meter in the laboratory. Mainly using test single phase or three phase meter error on site. GF312D1 energy meter calibrator is an ideal test tool for the metrological service of electricity power company.
Three Phase Energy Meter Field Calibrator is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.
INTRODUCTION:
The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure all various of AC parameters.
FEATURES
Three phase active or reactive electricity energy meter.
Calibrate three phase, single phase, and active or reactive meter error.
Measure U(voltage) of three phase or single phase.
Measure I(current) of three phase or single phase.
Measure active power of three phase or single phase.
Measure reactive power of three phase or single phase.
Measure apparent power of three phase or single phase.
Measure power factor of three phase or single phase.
Measure phase angle between voltage and current.
Measure frequency of power line.
Display vector diagram.
Display waveform of U and I.
Analyze and display content of harmonic of U and I.
Measure 2-64 harmonic of U, I.
Store and display measured data.
Optional 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A current clamp.
Measure CT variable ratio.
Measure the ratio or lag-angle of low-voltage transformer.
Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT color LCD.
Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity.
Low consumption circuit design, high energy Lithium battery supply, intellectual power management software, which enables the instrument continuously working up to 10 hours.
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.
7104 Three Phase On Site Energy Meter Calibrator Suppliers
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Three Phase Energy Meter with following features
- Dual Source
- Prepaid Function with inbuilt relays
- Whole Current
- Load Curtailment
- Modbus/RS485 Protocol Communication
- 10-60 Amps
Product description
Three-phase electric energy meter calibrator 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.
Technical index
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 �neness
0.01%RG, 0.1%RG, 1%RG, 10%RG as optional.
GF312V2 portable three phase multifunction watt-hour meter calibrator on-site is the newest product produced by our company by widely visiting users and referring to the advantages of the same kind of products home and abroad. The measured part of the product adopts high speed A/D transmission to send DSP to conduct digital processing, which largely improves measured degree of accuracy and stability. Central processing part adopts 32-bit ARM embedded technology to make instrument interface novel, function abundant, operation distinct and easy, and performance steady. Class of accuracy: Class 0.02, 0.05 or 0.1, range from 12A/600V or 120A/600V, with comfort design, small size and light weight. The model GF312V2 watt-hour meter calibrator is suit for electric power departments, measuring and quality examining departments and electric lab to field use.
GF312B portable three phase energy meter calibrator with printer is used to calibrate three phase, single phase, active and reactive energy meters error. And it also can be used as voltage, current and power meter to measure AC parameters of three phase power line. It can measure wave distortion factor and 2nd to 64nd harmonic wave. GF312B calibrator is used for grid corporation of measurement and energy test center, metrological service of power supply bureau, national energy measurement of testing authorities.
We can supply met coal (hi and med vol) as requested, need to start with 30,000 tons per
month and can work up to 110,000 tons per month; specs as outlined below:
Tonnage-25-30k tons per month
Spec: Dry-Basis
Ash-8-9.5
Sulfur-1-1.1
BTU-13,000-14,000
Vol- 26 to 32(M-H)
FSI- 9
Tonnage-1st Month-25-30k
2ndMonth-35-40k & 40k per month for the remainder of contract.
Spec: Dry-Basis
Ash-7.5-8.5
Sulfur-0.5%
BTU-13,500-14000
Vol-32-35(H)
FSI-7-8.5
Three year contract, fixed price for first two years; adjusted to market in 3rd year, or as negotiated. This is good coal and with a two year fixed price contract it should be very attractive. Buyer can inspect coal on site and contract directly with producer if required.
Producer has 20+ years in business and sells to some of the largest US power and steel companies.
Product Description
Major technical data:
Accuracy class: 1.0
Power consumption: <9.0
Rated voltage: 220v
Basic current: 2.5(10) a 5(30) a 10(50) a
Precision: 1.0
Operating life: >20 years.
Main functions:
1) Measurement of 50hz for 3-phase active power
2) 4 tariffs and 8 time periods for user's option
3) RS 485 communication functions
4) Manual and remote control program, and remote-metering functions
5) To record the parameters automatically through CMRI.
Features:
1) High accuracy, reliability, overload capability
2) Low power consumption
3) Smt technology and re-flow soldering technology
4) Light weight, small size, easy to install.
INTRODUCTION
The GF302D1 three phase portable energy meter test system consists of an integrated three phase current and voltage 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.
PARAMETERS
Accuracy class 0.05%, 0.1%
Power supply One Phase AC 100-265V, 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)
Adjust 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 30VA
Measuring accuracy 0.05%RG
AC Current output
Range (I1, I2, I3 ) 200mA, 1A, 5A, 20A, 100A(optional)
Adjustment range (0-120)%RG
Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional.
Stability
DESCRIPTION
Adopting large scale IC and SMT processes,the DTSD1088 DLMS meter is made to accurately total active/reactive energy,forward and reverse active/reative energy and maximum demand.And in real-time it also measures and takes in process parameters like active/reactive power,apparent power,Voltage,current,power factor,frequency and so on,and implements time-of-use control,automatic stroge of reading-day demand,and records load profile and events.And with infrared,RS485,PLC communications equipped,the DTSD1088 DLMS meter is an ideal device to realize time-of use energy measurement and efficient processing in ease.It complies with applicable standards of IEC62052-11,IEC62053-21,IEC62053-61,IEC62054-21,IEC62056-61,IEC62059-11,IEC62059-21.
FEATURES
1. Energy measurement (separate and total):Forward and reverse,active,four-quadrant,time-of use,sub-phase.
2. Demand record
3. Real-time parameters
4. Data archive
5. Data freezing
6. Events record
7. Optional infrared,PLC,M-BUS,Ethernet,GPRS communication
DTSD1088 three phase multifunctional meter is made to accurately measures total active/reactive energy, forward and reverse active/reactive energy and maximum demand. And in real-time it also measures and takes in process parameters like active/reactive power, apparent power, voltage, current, power factor, frequency and so on, and implements time-of-use control, automatic storage of reading-day demand, and records of load profile and events. DTSD1088 meter realizes time of use energy measurement and efficient processing in ease. It complies with applicable standards of IEC62052-11, IEC62053-21, IEC62053-23, IEC62053-661, IEC62054-21, IEC62056-61, IEC62059-11 and IEC62059-21.
FEATURES
1.Customized meter design for Finland Utility.
2.Special terminal block connection for easy wiring.
3.Terminal cover &front cover with detecting features.
4.With backup battery for RTC.
5.Load Profile(Optional)
6.MD measurement
7.Over-load protection: Automatic power-off as load exceeds the specified value(optional)
DTSD1088 three phase multifunctional meter is made to accurately measures total active/reactive energy, forward and reverse active/reactive energy and maximum demand. And in real-time it also measures and takes in process parameters like active/reactive power, apparent power, voltage, current, power factor, frequency and so on, and implements time-of-use control, automatic storage of reading-day demand, and records of load profile and events. With infrared, RS485, PLC and GPRS communication equipped, DTSD1088 meter realizes time of use energy measurement and efficient processing in ease. It complies with applicable standards of IEC62052-11, IEC62053-21, IEC62053-23, IEC62053-661, IEC62054-21, IEC62056-61, IEC62059-11 and IEC62059-21.
FEATURES
1.Functional LCD displays(menu driven, scrolling function, IR remote control mode)
2.Events record: Power-on/power-off (latest ten time), power quality monitoring(10 times), meter cover open(10 times recorded and can be read by MDM software).
3.Load curve recording: Active/reactive energy, voltage(3 phases), current(3 phases), power factor(3 phases) and time stamp(DD/MM/HH/YY)
4.External relay
5.Over-load protection: Automatic power-off as load exceeds the specified value(optional)
6.RTC, broadcast time synchronization via communication interface(could be set by GPS time via the MDM)
7.Optional multi-communication: PLC based on OFDM according to CENELEC standards(A-band), GPRS(SIMCOM-chip), RS485, integrated M-Bus(extended connection to gas and water meters) according to OMS standard.
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
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.
.1 Description
DEM8900-1/DEM8900-2/DEM8900-3 (short form for DEM8900) is designed by adopting the updated microprocessor and digital signal processing technology, which can be applied for monitoring the electrical system. DEM8900 can measure and analyze the real time electrical parameters, such as I,kWh,kvarh., Meanwhile, DEM8900 has functions of multi-tariff,RS485 communication ( MODBUS protocol),analog output, remote input and electrical pulse output.
All our instruments fulfill all important requirements and regulations concerning electromagnetic compatibility and safety isolation (IEC61000, IEC1010 standard and EN61010 standard). The devices have been developed, manufactured, and tested in accordance with Quality Assurance System ISO 9001.
1.2 Measured parameters
Note 1. DEM8900-1 measure current, active energy, active power (optional, with analog output)
2. DEM8900-2 measure current, reactive energy, reactive power (optional, with analog output)
3. DEM8900-3 measure Current, active energy, reactive energy, active/reactive power (optional, with analog output)
1.3 EMC and Safety standard
IEC61000-4-2 (GB/T17626.2)
IEC61000-4-8 (GB/T17626.8)
IEC61000-4-4 (GB/T17626.4)
IEC61010-1 (GB/T4793.1).
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.
7104 Three Phase On Site Energy Meter Calibrator Suppliers
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