INTRODUCTION
The instrument 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.
TECHNICAL SPECIFICATIONS
Electrical parameters
Accuracy class 0.05%, 0.1%
Resolution 6 TFT (640-480)
Power supply 220V±10%, 50/60Hz
Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh)
Power line supply (U1, UN), 85V-265V 50/60Hz
Communication port RS232
Test voltage
Range 5-480V
Error ±0.05% (30V-480V)
±0.1% (5V-30V)
Harmonic 2nd-63st
Test current
Range (direct connection) 5mA-20A
Error (direct connection) ±0.05% (100mA-20A)
±0.1% (10mA-100mA)
Range (clamp CT) 10mA-3000A
Error (camp CT) ±0.2% (100mA-100A)
±0.5% (100A-3000A)
Harmonic 2nd-63st
Power measure error
Active power (direct connection) ±0.05% (0.1A-20A)
±0.1% (0.01A-0.1A)
Reactive power (direct connection) ±0.1% (0.1A-20A)
Energy measure error
Active energy (direct connection) ±0.05% (0.1A-20A)
±0.1% (0.01A-0.1A)
Reactive energy (direct connection) ±0.1% (0.1A-20A)
Phase angle
Range 0-360
Resolution 0.01
Error ±0.05
Frequency
Range 45-65Hz
Resolution 0.001Hz
Error 0.002Hz
Pulse input
Input channel 2
Input level 5-24V
Input frequency Max. 2MHz
Pulse output
Energy constant 180000imp/kWh, 1800imp/kWh, 180imp/kWh
Pulse ratio 1:1
Output level 5V
Function
Vector diagram Yes
Waveform Yes
Energy accumulation Yes
Communication with PC Yes
Mechanical parameters
Instrument dimensions (WHD) (mm) 220-13861
Instrument Weight (kg) 1.7
Carry case dimensions (WHD) (mm) 450-320185
Carry case (kg) 8.5
Environmental conditions
Ambient temperature -10C to 55C
Relative humidity 15%-85%
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
Name: single phase electricity meter case Material: PC, ABS Can be customized
High accuracy class up to 0.02% High stability, high reliability Measuring 2nd~51st harmonics Metal structure, strong and reliable Waveform display function Vector diagram function Energy accumulating function Suit for testing in the lab As a three phase reference standard
Name: meter box, meter cabinet Material: PC, ABS Can be customized
Product description Portable Three-phase Standard Meter is a portable reference standard meter used to test three phase meters and single phase meters, it designed to work both in the and in the laboratory. Technical index Portable Three-phase Standard Meter Electrical parameters Accuracy class 0.05% Voltage supply Range 5V-480V Error Display range 5.000000V-480.0000V Harmonic 2nd-63st Range 1mA-120A Error Display range 1.000000mA-120.0000A Active power 0.05% (0.01A-0.2A) Reactive power Apparent power Active energy
Product description Portable Three-phase Standard Meter is a portable reference standard meter used to test three phase meters and single phase meters, it designed to work both in the eld and in the laboratory. Technical index Portable Three-phase Standard Meter Electrical parameters Accuracy class 0.05% Voltage supply Range 5V-480V Error Display range 5.000000V-480.0000V Harmonic 2nd-63st Range 1mA-120A Error Display range 1.000000mA-120.0000A Active power
1, The core components are all imported, adopting the sixth generation IPM module from Mitsubishi, which has stable performance, long service life, strong protection functions and convenient replacement and maintenance. 2, Adopt the central processor DSP28335 chip from American TI Company, respond quickly and accurately, and provide stable and clean power for the load to provide protection. 3, The whole machine adopts modular design and plug-in design, which is convenient for maintenance and reduces the hidden cost of machine failure to repair. 4, According to the product configuration conditions, adjustment the system usage mode: DC(Battery/Solar) priority or AC mains bypass priority can be set. 5, Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. This function is very convenient for users and also reduce frequency converterâ??s usage, which reduced the cost of equipment investment, easy to connect wires and control. 6, The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy �±1%. 7, The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel. 8, Output AC Power is suitable for all types of electrical equipment, CNC machines, electric tools, motors, pump and air conditioner etc. It has higher efficiency and higher capability of driving load. 9, Humanized safety design, using isolation transformer design, input and output are completely electrically isolated, input and output are equipped with circuit breakers, which saving costs for the user and easy to installation, the electric parts are completely closed to prevent electric shock. 10, Wide input voltage can be set according to customer's requirement. Input voltage range can be selected from 100-300V, 200-500V or 500-850V, suitable for solar/wind system without backup batteries, it can save many cost and maximization use the solar/wind energy. 11, Using SVPWM space vector algorithms, high conversion efficiency, high instantaneous power and low losses conversion efficiency up to 94%. 12, Powerful data display function. LCD + LED display, can display input and output voltage, current, KWH, fault display, convenient for customers to quickly find faults and guide maintenance. 13, European CE (EMC, LVD, UL1741) and ISO9001 certificates. [Optional] A, RS485 communication; B, AC bypass complementary function; C, Built-in charger
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.
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.
