17、HRHLY Loop (Contacting) Resistance Tester |
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The gear is used to test the contact resistance and loop resistance of the switch controlling equipments, adopting the national standard GB763 direct current DC 100A(120A/150A). It has accurate testing, stable performance and the capability of continuously running with the self-prevention of disconnecting.
Test range: 1-1999μΩ, 1-19999μΩ Test current: DC 100A, DC 200A Test accuracy: Level 0.5% , Level 1.0% Resolution factor: 1μΩ
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18、HRHEA Intelligent Calibrator for Transformer |
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Main features: (1) It combines the principle of the potential difference and advanced processing system; combines stability and intelligence; with high electric- pollution proof capacity, user-friendly, (the only finest ones all over the country) (2) On-line measuring: it can be applied anywhere and then will show results (3) Automatic judgment: however serious wrong operations are done; it will not cause damage of instruments and operators Testing range automatically shifting switchover: according to levels of accuracy, it can automatically shift the testing range.
The key technical indexes: (1) Measuring objects: PT CT YZ (2) Instrument accuracy: level 1-2 (3) Measured instrument accuracy: level 10-0.01(can measure level-S current instrument transformer)
★HRH-H Full Automatic Testing and Rectifying System Instrument for Transformer (To get details via telephone) Measured objects: PT. CT. Y. Z Instrument accuracy level: 2-1 Measured instrument accuracy: S- level (10-0.01)
Configuration: (1) HRKZX-5 special on-site control box (2) HRHEF on-site transformer tester (3) HRFY98 electric current and voltage load box (4) On-site testing line for voltage transformer (5) On-site secondary line for electric transformer (6) Special testing line DCC for electric power (7) HRHL-33 standard and accurate electric current transformer(level:0.05 , 5~2000A/5A ) (8) HRBSQ-5kVA/0~2000A upward current converter (9) HRHJ-S-10G3(automatic current –rise) standard and accurate voltage transformer (level: 0.05, 10kV/100V) (10) Electric power tray of movable cable (50m) (11) High current ampere wires : 1000A:5mX2, 500A: 5mX1, 250A: 5mX1, 100A: 3mX3 (12) Tools and wheelbarrow ★HRVAT Type Automatic Testing Instrument of Volt-Ampere Characterristic for Transformer
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19、HRDS Multifunctional Testing Instrument (On-site Testing Instrument for Kilowatt-Hour Meter) |
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Main functions: (1) measuring the single-phase, biphase and three -lines, three-phase and four–lines electric energy and power (2) checking three-phase or single-phase turnplate and electric energy meter of electron impulse by photoelectricity or human hands (3) indicating the pharos graph, and judging the 48 normal ways of the connecting of the three-phase and three- lines automatically (4) measuring the checked voltage, electric current, phase angle, power factor, frequency and other electrical parameters (5) can print the measuring results through the output printer (6) can measuring the electric current of the return circuit by inside or outside forcipiform electric transformer (7) can also check the three-phase indicating instrument and electric quantity transmitter
Main features (1) using the non -power resource transformer with high stability every year (2) big liquid crystal screen , Chinese characters guide menu ,interactive mode of dialogue between human and machine (3) indicating the pharos graph directly (4) small size, low weight, changeable vision ,because of the international standard of the designed chassis (5) indicating the voltage, electric current and phase angle in each screen and active ,and reactive power at the same time (6) having the ternary standardized electric energy, power, electric current, power factor, frequency instrument, and highest accurate level(0.1) in China, phase angle=0.1
Output features: Voltage:400V 200V 100V Electric current:20A 5A 1A It can be reset by yourself.
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20、HRYJB General Secondary Voltage-Drop Automatic Detector |
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Main features: (1) Operate –easily: liquid crystal screen, the whole Chinese characters guide menu, four keys are involved (2) Reliable: wired method of measuring ,principle of measuring difference ,electromagnetic interference proof (3) Accurate: high-tech isolation of PT inside, automatic elimination of surge current (4) Phase converted automatically: measuring the double-phase and three-lines ,three-phase and four-lines automatically, can also check single-phase by self (5) Alarming automatically: checking phases and warning the wrong doing of connecting automatically to assure the safety of operators and instruments (6) Calculating automatically; measuring and then indicating results automatically, and also calculating the composite errors and combined errors (7) Storage function: can store 50 groups of the measuring results (8) Iniquity function: can inquire any stored data (9) Live measuring: can measure directly on the condition of uninterruptible power supply (10) Online function: with communication gateway, can transfer the measuring results to the relative software (11) High accuracy : can measure and memory the zero errors, correct the measured data automatically and delete system errors completely
The key technical indexes: (1) Measuring range: comparative difference:0.0001~19.99% angle difference : 0.01~599 (2) Resolution factor: comparative difference: 0.0001% angle difference: 0.01 (3) Accuracy: level 0.01 (4) Measuring deference: 2%
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21、HRZGF D.C High Voltage Generator |
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Used for the preventive experiments for power organizations’ varied high voltage electric apparatus devices ,including experiments of D.C durability of voltage in cables ,current leak of the lightening arrestor and 1mA RV(reference voltage)
Rated operational voltage: 0~60kV、120kV、200kV、300kV、400kV、600kV Rated operational current: 2mA、3mA、5mA、10mA Capacity: 120VA、240VA、400VA Measuring accuracy: ±1% ★The Technique File of HRZGF Type Portable AC High-Voltage Generator
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22、HRHG23 Type Impulse Peak-Voltmeter HRHG23A Type Impulse Peak-Current Meter |
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Used for measuring any once –impulse full waves whose first signal form’s length overpass 500ns ,also measuring and storing the numerical value of the impulse peak-voltage , peak-current and other once-impulse peaks. A circuit that protects a computer system from dangerously high voltage surges. The whole design is adopted with industry standards。 |
Input voltage: :≤±1600V Input resistance :2MΩ//39PF Measuring accuracy :1% Time for rise:About 85ns Work environment: 0~70℃,0~95% Voltage ratio setting:0.1~9999.9 Range of display:0~16000KV Connection: parallel input with two outlets ★Instruction of HR24 Type Industrial Frequency Peak-Voltmeter
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23、HRHG(A) Complete Set of Impulse Voltage (Current) Generator for Testing Bed |
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★ Digital impulse voltage (current)waveform recording system for measuring and analyzing ★ GIS oscillation operation wave and steep wave experimental instrument ★ Reform of the impulse voltage (current) generator instrument
There are whole sets of experimental instruments for impulse voltage (current) generators whose capacity vary from 100kv to 4800kv. We can also supply several whole sets of waveform impulse voltage (current) generator. They mainly consist of generator self, sheet cutting, voltage divider, four –modules console, and digital recording system of waveforms.
Sphere of application: impulse voltage experiments of standardized lightening, lightening abrupt waves, operation and users’ required non-standardized ones for transformers, reactors, instrument transformers and other HV electric appliances, HV thyristor gates SVC(HVDC)、cables of power, HV insulators, and linings
Sphere of application: power equipments suppliers, railway communications, science and research institutes of military industry, colleges and universities, and lighting-proof experiments of meteorology departments.
HRHGCS-2000A Uses the PLC- computer control and the survey (Photoelectric isolation optical transmission monitoring and control technologies) the system to be able to satisfy the user to attack all requests on IMP and so on power frequency, direct current and survey.
HRHG-SGSC-200kV~2000kV Lightning impulse voltage generator sets of automatic test equipment system installed For the ultra-small portable compact structure, loop inductance and only a small amount of energy equipment is small with large carrying capacity.
HRHG-500kV~10000kV Lightning impulse voltage generator sets of automatic test equipment system installed Heavy equipment for large-scale compact structure, loop inductance and only a small amount of energy equipment is small with large carrying capacity.
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