Single-phase smart watt-hour meter adopts large-scale integrated circuit and dedicated ultra-high precision energy measurement soc chip. The communications capability and reliability of its communication module has reached the level of widespread practical application. It is a modern advanced meter designed and manufactured according to the actual energy consumption conditions with the application of digital sampling technology and smt technology. Its performance indicators are in line with iec 62053-21: 2003 electricity metering equipment (a.C.) - particular requirements - part 21: static meters for active energy (classes 1 and 2), iec 62053-23: 2003 electricity metering equipment (a.C.) - particular requirements - part 23: static meters for reactive energy (classes 2 and 3) and iec 62052-11: 2003 electricity metering equipment (a.C.)general requires, tests and test conditions - part 11: metering equipment and other standards. The technical requirements of the smart meter can be made to measure the functional requirements; meanwhile, its telecommunication adopts a dedicated data encryption chip to ensure the security of quantity of electricity, tariff and other information
Electrical parameters Accuracy class 0.02%, 0.05% Power supply AC 220 V±10% or 110 V±10%, 50/60Hz Power consumption
Power supply (AC/DC) AC 85-265V/DC 85-330V, DC18-90V (option) Power Consumption:
Introduction GF1021 portable single phase energy meter test system used to test single phase energy meter. Adopt mature signal synthetic and power amplifier technology, high precision voltage source and current source output. Widely used in lab and field, and then as single phase standard source. TECHINICAL SPECIFICAITON Accuracy class 0.05%, 0.1% Power supply One Phase AC 85-265V, frequency 50/60Hz. AC Voltage output Range 57.7V, 100V, 220V, 380V; max 500V 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 0.1% (Non-capacitive load) Output load max 30VA Measuring accuracy 0.05%RG AC Current output Range 200mA, 1A, 5A, 20A, 100A; max 120A Adjustment range (0-120)%RG Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability
INTRODUCTION GF312V2 portable three phase multifunction energy meter calibrator is with comfort design, small size, and light weight. It is suit for electric power departments, measuring and quality examining departments and electric lab to field use. TECHNICAL SPECIFICATION Electrical parameters Accuracy class 0.05%, 0.1% Power Supply External power, 220V/110V, 50/60Hz Phase voltage supply 45-450V, 50/60Hz Li-Battery supply Voltage measurement Range 30-560V Error ±0.05% Harmonic 2nd-51st Current measurement Range (direct connection) 0.01-10A Range (clamp CT) 5A,100A,500A,1000A,2000A (option) Error (direct connection) ±0.05% Error (clamp CT) ±0.2% (5A, 100A ) ±0.5% (other) Harmonic 2nd-51st Power measure error Active power (direct connection) ±0.05% Active power (clamp CT) ±0.2% (5A, 100A) ±0.5% (other) Reactive power (direct connection) ±0.1% Reactive power (clamp CT) ±0.2% (5A, 100A) ±0.5% (other) Energy measure error Active energy (direct connection) ±0.05% Active energy (clamp CT) ±0.2% (5A, 100A) ±0.5% (other) Reactive energy (direct connection) ±0.1% Reactive energy (clamp CT) ±0.2% (5A, 100A) ±0.5% (other) Phase angle Range 0-360 Resolution 0.01 Error ±0.05 Frequency Range 45Hz-65Hz Resolution 0.001Hz Error 0.002Hz Pulse output Energy constant 25000 Pulse ratio 1:1 Output level 5V Pulse input Input channel 2 Input level 5-10V Input frequency Max. 100Hz Display Resolution 7 TFT color (480-234) Function Vector diagram Waveform Energy accumulation CT ratio test Local parameter input Wiring emulation Self-calibration Recorder check Data storage Data storage qty 5000 External extend memory Screen printing Communication port USB/RS232 Communication with PC Upload data External mini printer External keyboard Dimensions (WHD) (mm) 245-16870 Weight (kg) 1.8 Environmental conditions Ambient temperature -25C to +45C Relative humidity 30%-95%
INTRODUCTION GF312B portable three phase watt meter calibrator with printer is used to calibrate three phase, single phase, active and reactive watt meters. 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 63th harmonic wave. FEATURES Three phase active or reactive electricity energy meter Calibrate three phase, single phase, active or reactive meter error Measure U(voltage) of three phase or single phase 4Measure 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 Store and check measured data Optional 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A current clamp Measure CT variable ratio Print the data of measurement on site
Power supply (AC/DC) AC 85-265V / DC 85-330V or 18-90V DC Power consumption:
GF211 double clamp phase volt-ampere meter is a multi-functional portable instrument. It can measure not only alternating voltage, but also alternating current. Its important function is to measure phase angle between two voltages, between two current or between voltage and current. The current signal is obtained by the clamp current transformer without cutting off current wire. It can discern inductive circuit and capacitive circuit; can directly read differential protection phase among every unit of CT; can check connection of transformer; measure three way voltage phase sequence; can check whether the meter connection is right or not; can evaluate the running speed of electric kWh meter. It has high resolution of current, so can be used as a leakage current meter. It is an ideal choice for electric power bureau, factories, mine, petroleum -chemistry enterprises, metallurgy factories and so on.
GF112D is a single-phase handheld electronic meter test unit in accuracy class 0.1or 0.2, used for testing single phase electricity meters error on site. Wide measurement range from 1mA to 120A and 0 to 300V, and also can be used to test alternating current parameters - voltage, current, active power, reactive power, apparent power, harmonics, phase angle, power factor, frequency, energy etc.
GRES is an intelligent and modular power supply equipment integrating lithium battery and MPCS. According to different application scenarios, lithium battery, bidirectional DC / AC converter, bidirectional DC / DC converter, Static switch and Power management system can be arbitrarily combined to realize grid connected power supply, off grid power supply and off grid uninterrupted power supply power supply, static reactive power compensation, harmonic suppression and other functions. The system can have access to new energy, power grid, diesel generator and to rreasonable configuration, scientific utilization, to provide users with green, environmental protection, noise free, high reliability and high security power services. Safe and reliable High quality li-ion cell for mobile use Laser welding connection with high strength and low impedance Cells is designed with PC holders and reinforce steel structure to guarantee the highest safety of the system in transportation, installation and operation Damping pad design to improve the impact resistance of the system IP54 safe and reliable operation in outdoor environment Serially designed PCS and battery pack eliminates circulating current and improve system reliability. Integrated BMS,DC, AC multi-layer protection, maximum safety performance design Efficient and Convenient Integrated system, standard modular power module and battery module, easy for installation, maintenance and capacity expantion Easy access to PV and diesel generator, intelligent muli-energy management. Fixed on the ground or mounted on vehicle, can be loaded and unloaded by forklift and hoisted by lifting ring Multi systems could be connected in parallel Cost optimization One investment, multiple benefits:Peak shaving, backup power supply, microgrid building,power quality improving and energy storage,etc. Small size, light weight, less space and installation cost Long cycle life, low failure rate, reduce operation and maintenance investment Maximize green energy utilization. Rated output power: 100KW Rated energy: 150KWH
According to: Technique Regulation of Concrete Defect Detection with Ultrasonic CECS21: 2000 Depth measurement principle When vibration energy transmits through the concrete and passes the crack, the vibrate energy will be diffracted at the point of the crack, whose diffraction angle has geometrical relationship with the crack depth. DJCS-05 crack depth measurement instrument adopts this geometrical between the diffraction angle and depth to realize high precision depth measurement. Feature and Specification Easily operation: Start measure when turn on, simply press to finish testing. Result Intuition: No wave speed test and calculate to display the crack depth directly Data processing: Data can transfer to PC, and then generate test report rapidly. Depth scale: 10-350mm Test precision: 5% Data storage: 10600 depth data Display: 4” Resolution 160*128 Power supply: 9VDC (6 AA battery) Work environment: Temperature -5~40centigrade; Humidity 85% Size: 220*180*80mm Weight: 1000g
Purpose SYQ61 concrete strength tester is used to test compressive strength of concrete by two ways: rebound and ultrasonic-rebound method. Also, it can be used to test sound time and speed in concrete. Specification Technical specification for inspection of concrete compressive strength by rebound method (JGJ/T23-2011) Technical specification for detecting strength of concrete by ultrasonic-rebound combine method (CECS02:2005) Performance 1. Multi-function for testing compressive strength of concrete. It is used to test the compressive strength of concrete by rebound method and ultrasonic-rebound method. 2. Get the compressive strength value of concrete by ultrasonic-rebound method in one instrument. It need two instruments usually, one to test sound speed in concrete, the other to test rebound value. 3. Can save test date. This is convenient for laborer data management. 4. Real USB transmission. Data can be transmitted to computer for future process and analysis. 5. Powerful data process and analysis software in windows. Test data can be export to word or excel for future process and analysis. Technical Data 1. Permissible sound time error: +/- 0.1µs 2. Sensor frequency: 50KHz 3. Rebound kinetic energy: 2.207J 4. Rebound springs Rigidity: 785.0+/-40.0(N/m) 5. Rebound bar impact length: 75.0+/- 0.3 mm 6. Rebound value permission error: =< +/-1 7. Average rebound value on Calibration anvil: 80+/-2 8. Temperature: -4°C ~ +40°C; 9. LCD screen: 160*128(10×8cm) 10. Power: 6 dry cells, work more than 10 times 11. Size: 205mm*173mm*86mm 12. Weight: 850g
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.
True-RMS measuring parameters ANSI and IEC 0.2 accuracy class Power quality analysis 4 quadrant energy 2MB onboard memory, can be extended to 16M Data logging High-speed RS485, Ethernet port (option) Measure individual harmonics from 2nd to 63st (option) TOU, 4 Tariffs, 6 Seasons, 6 Schedules Three years warranty With PC management software; web browse data APPLICATIONS Metering of distribution feeders, transformers, generators, capacitor banks and motors Medium and low voltage systems Commercial, industrial, utility Power quality analysis Data logging Monitoring system
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.
The GF302D portable 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 meter test equipment also can be used as one high precision standard power source, voltage source and current source. Portable design, used in the laboratory or on site to auto check energy meter error.
Name Moving Iron Ammeter-Voltmeter Model Analog meter Type LY-100Y Accuracy: class 2.5/1.5 Specification: 30V 50V 75V 100V 120V 150V 200V 250V 450V 500V 600V, if over 600V, meters can be connected potential transformer with secondary voltage 100V
Zhw5-126(l)/t3150-40 electrical composite apparatus The product has advantages such as reliable performance, advanced technology, compact structure, less operating power, long service life, easy maintenance and excellent anti-seismic property
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
FU2200A digital Ethernet power meter with data logger is a three-phase multifunction power and energy meter manufactured by GFUVE. It provides excellent value for monitoring power and energy management systems. It may be used as data gathering devices for intelligent power distribution or plant automation systems. All monitored data is available via a standard digital RS485 communication port, which is based on the Modbus RTU protocol. FU2200A Ethernet power meter has the PC software and the data logger function, which can set by end users from 1min to 60min intervals to record. You can read the data through a PC. Also, you can share the data in the Internet LAN. By the way, it can measure the harmonics. Back of power meter FU2200A with Ethernet port.