1. 5 LED digitally display output by actual value or by percentage 2. AC/DC current output range: 0~100 uA ~500uA ~2mA~5mA~20mA ~50mA ~200mA ~500mA ~2A~5A~20A~30A(optional)~50A(optional) 3. AC/DC voltage output range: 0~200mV~1V~2V~5V~10V~20V~50V~100V~200V~500V~1000V 4. Three AC frequencies for option: 50Hz 60 Hz 400 Hz 5. Auto protection or manual resetting function for over load 6. Over load rang is 10% for each level of voltage current 7. Clip-on transformer testing: matching with our product of standard coil measuring range AC 0~750A ( above 1000A for part of meters) DC 0~1000A error: ±0.3%
1. Built-in digital multiple function standard meter with Integrated structure of meter and power source electrical parameters can be read via software 2. adopts DDS technology CPLD and RAM embedded system featured with high stability of signal source output small fineness low distortion 3. RAM system large color LCD display massive information can be seen directly through screen 4. use PWM digital power amplifier with above 90% efficiency and 300KHz carrier frequency to have advantages of low distortion little heating high efficiency 5. Perfect protection function: voltage short circuit alarm open circuit and over load alarm 6. Built-in OCXO for 50KHz high precision impulse output which can be used to calibrate energy meter clock also can test day error/hour segment error when matching with meter calibration software (optional) 7. With 485 communication interface can do various communications test for universal meters
1. Design with touch panel and mask button massive information to see and simple to use 2. built-in standard energy meter for digital closed loop feedback U I �¦ F W VAR VA PF all for reference 3. Perfect over circuit over voltage. short circuit open circuit over heat over load protection 4. Three phase rated current rated voltage can be preset by users 5. Multiple choose of voltage current phase testing point 6. Capable of measuring single phase three phase active power energy meters and reactive power energy meters 7. Large memory for data storage and searching data is very convenient 8. With R232 communication interface for PC control and software upgrade
Product Introduction It is suitable for evaluating the insulation quality of high voltage transformergenenratorling-distance power cable and busbar under strong interference in the field of high-voltage substation and power plant.Specially used for 110KV and above large capacity transformer and long distance power cable power system Product Characteristics 1.Strict accordance with the safety standards for design with 5 range: 500V 1000V 2500V 5000V 10000V test up to 10T�©. 2.This instrument has the function of automatic calibration and calibrate precision automatly before test 3.Actual test object live voltage measurement functionmeasure leakage currentdischarge automatly. 4.automatic measure and remenber R15Sã??R60S ã??R10min valueAutomatic display polarization index (PI) induced electric absorption test values than (DAR)and test time. 5.Anti-jamming performance is superior the interference current reaches 600 mA still ensure accuracy of test instruments. 6.Automatic discharge:quickly discharge for capacitive test object by advanced high-voltage discharge technology and real-time measurement of discharge voltage (test voltage to 0v) . 7.powered by internal rechargeable lithium battery or ac power supply the real ac and dc dual use does not affect the test accuracy. 8.digital displayautomatic display battery level and undervoltage alarm protection function. 9.Short circuit protection short circuit condition will not burn out the instrument
Product Introduction Insulation resistance tester dedicated to the measurement of water-cooled generator test but also can be used for laboratory or field testing insulation testing to do. Output current greater than 25mA. The maximum output voltage of 2500V. Includes high-precision micro-current measurement system digital boost system. Just use a high-voltage lines and a signal line connecting the test product can be measured. Automatic measurement the results from the large screen liquid crystal display and store the results. Product Characteristics First the main features 1. 32-bit micro-controller Chinese user interface easy to operate. 2. Automatically calculates the absorption ratio and the polarization index and automatically save 15 seconds 1 minute 2 minutes 10 minutes to facilitate analysis of data per minute. 3. Output current (2500V the output is greater than 25mA) short-circuit currents greater than 40mA. 4. A fully enclosed high-voltage generator module technology the protection of the internal resistance safe and reliable. Anti-interference ability to meet the EHV substation on-site operation. 5. Automatic discharge test is completed and real-time monitoring the discharge process.
Products Introduction 40KV vlf high voltage generator of this product fully complies with the standards of the electric power industry. Mechanical methods are widely used to modulate and demodulate ultra-low frequency signals, but there is no standard sine wave, some errors in high-voltage part measurement and spark discharge. The product can overcome the above shortcomings. How to choose the suitable products for test ï¼? Please make sure that the capacitance of test products is below the instrument rated capacitance. The waveform will be influence if the capacitance of test products is too small and the instrument can not normally output when it below 0.05µF. 0.05µF capacitor in parallel to auxiliary output. Below is the capacitance of some instrument for your reference.
Products Introduction VLF high voltage generator 70KV instrument can be widely used in cables, large-scale high-voltage rotating motors, and power capacitors for AC withstand voltage tests. The advantage is that the instrument is small in size, light in weight, and large LCD display. VLF high voltage generator 70KV Model Rated Voltages Load capacity Fuse Weight Useful VLF-70 70kV (peak ) 0.1Hz, 0.5F 25A Control 6 HV TANK-I 30 HV TANK-II 33 30KV and below the cable Generator 0.05Hz, 1.0µF
Insulation resistance tester dedicated to the measurement of water-cooled generator test but also can be used for laboratory or field testing insulation testing to do. Output current greater than 25mA. The maximum output voltage of 2500V. Includes high-precision micro-current measurement system digital boost system. Just use a high-voltage lines and a signal line connecting the test product can be measured. Automatic measurement the results from the large screen liquid crystal display and store the results. Product Characteristics First the main features 1. 32-bit micro-controller Chinese user interface easy to operate. 2. Automatically calculates the absorption ratio and the polarization index and automatically save 15 seconds 1 minute 2 minutes 10 minutes to facilitate analysis of data per minute. 3. Output current (2500V the output is greater than 25mA) short-circuit currents greater than 40mA. 4. A fully enclosed high-voltage generator module technology the protection of the internal resistance safe and reliable. Anti-interference ability to meet the EHV substation on-site operation. 5. Automatic discharge test is completed and real-time monitoring the discharge process.
This instrument is developed and designed according to the national power industry standard DL/ t506-2007 "insulation gas humidity measurement method for sulfur hexafluoride electrical equipment" and adopts the imported high-precision dew point sensor and new digital circuit control technology. It is a high-precision intelligent instrument to measure the trace moisture content in SF6 gas. This instrument adopts intelligent self-calibration technology wide measurement range fast response high accuracy good linearity dynamic display of measurement curve. At the same time the instrument also has an automatic dryer which can greatly reduce the measurement time. Product nickname intelligent micro water meter micro water meter micro quality meter.
Impulse voltage generator is mainly used for impulse voltage test of power equipment such as lightning impulse voltage full wave lightning impulse voltage truncation wave and operating impulse voltage wave to test insulation performance.Impulse voltage generator a power supply device that imitates impulse voltages such as lightning and operating overvoltages.It is mainly used in insulation shock withstand voltage and dielectric shock breakdown and discharge tests. Scope of application: standard lightning shock lightning cut-off wave for transformers reactors mutual transformers and other high voltage electrical appliances high voltage thyristor valve SVC(HVDC) power cables all kinds of high voltage insulators bushing operation shock and all kinds of non-standard shock wave impulse voltage test required by users.Various test waveforms (standard and non-standard waveforms user-generated waveforms) can be generated by a single set of equipment.Field of application: lightning protection and lightning test for quality inspection measurement inspection and supervision organizations power equipment manufacturers railway communications aerospace and aerospace vehicles military research units universities and meteorological departments. 900kV/67.6 kJ Lightning Impulse Voltage Generator Complete Test Equipment for Transformer Reactor Cable
Rated parameter value Rated nominal voltage±450kV Rated voltage ±150kV Rated energy 20kJ Total impulse capacitance 0.25F The total series ï¼? 3 series Rated power capacityï F The following waveforms can be generated when the load capacitance is 300~5000PF
VLF (Very Low Frequency) Testers are suitable for testing power cables transformers switchgear rotating machinery and other electrical apparatus. 1. Data of current voltage wave form can be directly sampled at high voltage side so the data is real and accurate. 2. Overvoltage protection: If the output exceeds the set limit of voltage the instrument will shut-down to protect itself the actuation time is less than 20ms. 3. Overcurrent protection: It is high-low voltage dual protection in the design the accurate shut-down protection can be made according to the set value at high voltage side; If the current on low voltage side exceeds the rated current the instrument will take shut-down protection the actuation time are both less than 20ms. 4. A high voltage output protective resistor is provided in the voltage boost body in the design and this eliminates the need of additional protect
Product Introduction Dc Hipot Test Equipment for the power supply department, for example: DC HV withstand and leakage current test in power cables, the conductance current and 1mA reference voltage of magnetic blow out arrester and zinc oxide arrester test.ZGF DC Hipot Test Equipment supplies 60kV to 400kV from 60kV to 400kV is DC high voltage power supply equipment.It has functions of switch on protection under 0 voltage,over voltage and over current protection.They are high stability and reliability. ZGF is easy to operate , small in size and light in weight. product features Product Characteristics 1 Series dc high voltage generators have small ripple coefficient stable and reliable voltage output no noise and good reliability 2 with overvoltage overcurrent zero voltage start and fault protection voltage protection value can be set display intuitive 3 voltage current using digital display and power supply has a reading easy to monitor the output status 4 with 0.75 times voltage conversion easy to test zinc oxide arrester 5 the product structure is compact small size easy to carry
Product Description ZGS type DC high voltage generator used AIPWM technique adjusted the inaccuracy linearity of PWM technology let the instrument precision greatly improved. It is mainly used in the electric power department power department of industrial and mining metallurgy iron and steel enterprise for zinc oxide lightning arrester power cables transformers circuit breakers generators and other high voltage electrical equipment of DC withstand voltage test or DC leakage current test. Product Characteristics 1 Dc high voltage generator adopts high frequency PWM technology to make closed adjustment with high voltage stability, small ripple factor and fast reliable protection circuit. The generator can endure direct discharge by devices of large capacitance. It is of small size and of light weight, convenient for field use. 2 Full range of linear smoothly adjusted voltage, with voltage regulation accuracy smaller than 0.1%; voltage measurement accuracy is 0.5%, resolution 0.1kv; Current measurement accuracy is 0.5%, the minimum resolution: control box 1A, shock resistance current 0.1A. 3 The generator uses AC 220 V power supply (AC220V±10%, 50 hz±1%), the ripple factor is less than 0.5%, and can be used for all-weather at the site . 4 High voltage multiplier uses Dupont materials for full solid encapsulation, overcoming the inconvenience brought by the air and oil filled equipment. Broad base and outer cylinder of light quality makes it stand steadily and more convenient for maintenance. 5 75% MOA voltage switch button, simple and convenient testing arrester. 6 Over-voltage setting function displays the over-voltage value during regulation process; perfect protection against discharge of over-voltage, over-current and short circuit. This is the best companion for cable experiments. 7 Perfect break line and non-zero potential start protection function protects the operator and samples at any time. This product has overall design of shock-proof control box, concise, clear panel design and voice prompt for operation.
product brief introduction Product Introduction The Test Transformer(ac dc hipot tester) calls the booster it is the basic test equipment used by the power station supplying and distributing the electrical power system and the scientific research unit. Which used in the insulated intension test on all kinds of electrical products electrical equipments and insulated materials testing the insulated level of products discovering the insulated objection of quizzee scaling the capacity burdened voltage. AC HV Testing Transformer Classification: There are four kinds of high voltage testing transformer according to the medium points: 1. Oil-immersed high voltage transformer test: large capacity, cheap, convenient maintenance, mainstream products. 2. Inflatable high voltage test transformer : interrupter resistance, and light weight. 3. Dry type high voltage testing transformer: light weight, light volume, can run backward, price expensive. 4. Series type high voltage testing transformer: small volume, low voltage, light weight, easy to transport and install. warning 1. Test transformer should be applied into use with control unit as for how to use control unit please see Operation Manual of Control unit. 2. Screening wire should be applied into the direct current test to avoid straying leakage. After test discharge rod is applied to release the restored electricity. 3. The end of high frequency voltage filtering capacitance should be connected with the ground wire together with crust of control unit to connect with the earth wire. 4. The whole test should follow the regulation in high frequency voltage test site should pay more attention to the safety of equipment and body.
Product description The impulse voltage generator intelligent measurement and control system is the latest programmable control system and consists of two parts: Automatic control of pulse voltage generator program and automatic analysis of pulse signal measurement. The General Conditions of Use Altitude: 1000m Ambient temperature: -5 ~ +40 Relative humidity: 9020 Use of the environment: indoor Non-conductive dust Grounding resistance < 0.5 No fire or explosion hazard Earthquake resistance: 8 magnitudes There is no gas that corrodes metal and insulates
Product description Current Transformer Analyzer is new product created after widely adopt customers advices and deep theoretical study. It is based on the automatic FA Series Transformer Tester General which is produced by our company that is widely acclaimed and applied. The adoption of high-performance DSP and ARM, advanced manufacturing technology ensure a stable and reliable product performance, full-featured, high degree of automation, high efficiency, in the domestic leading level, they are the professional testing equipments for transformer check in power industry. Technical Parameter CTA-1000 Usage CT PT Output 0~180Vrms12Arms36Apeak value Voltage measurement accuracy 0.1% CT Ratio Range 1~40000 accuracy 0.05% PT Ratio Range 1~40000 accuracy 0.05% Phase Range 2min accuracy 0.5min DC resistance Range 0~300 accuracy 0.2%2m Burden Range 0~1000VA accuracy 0.2%0.02VA 0.2%0.02VA Power supply AC220V 10%50Hz Environmental Conditions Operating temperature -10C~50C Humidity 90% Weight and Dimensions Dimensions 365 mm290 mm153mm,Weight
Overview Current transformer volt-ampere characteristic tester Only need to set the test voltage, current and step, the device will boost and trace voltage current characteristic test curve automatically, save the cumbersome labor of manual pressure regulation, artificial record, tracing curves, and so. Quick, simple and convenient. I can not only test CT/PT DC resistance, volt-ampere characteristics, ratio and polarity, 10% error curve, angle difference and ratio difference, but also test secondary load of transformer, CT current test and PT AC withstand voltage test. CT ratio not only supports traditional current method but also voltage method, so it can meet the test of CT in casing CT and GIS. Volt-ampere characteristic test single machine output voltage 0-2500V, current 0-20A, can meet most of the transformer volt-ampere characteristic test. 220V single power input and avoids the risk of using 380V. Current transformer volt-ampere characteristic tester Main Technical Parameters: Booster output current & voltage 1A/2500V 2A/1500V 5A/600V 10A/220V 20A/30V Current generator output current 600A Output power 3000VA Voltage and current measurement accuracy CT ratio tests Range 1 -40000 Voltage method / current method Accuracy PT ratio tests Range 1 - 40000 Accuracy
Overview The digital three-phase shifter is a portable electrical tester composed of transformer phase shifter, digital phase display, voltage current digital display, output voltage adjustment, coarse adjustment, fine adjustment, and power supply, etc. The digital three-phase shifter combines the transformer phase phase technology with digital measurement techniques, which can be adjusted at any angle in the range of 0 to 360 , which has high precision, reading. Accurate intuitive, the voltage output is adjustable, the digital three-phase shifter structural components use independent fixtures, firm and reliable, full seals, easy to carry in the field and on-site use. Technical parameter Input voltage Three-phase four-wire 3 380 (220) V 50Hz The output voltage Three-phase four-wire 3 (0 380) / (0 220) Triple semi-digital display, accuracy: level 1 Output current Communication 0 20A Triple semi-digital display, accuracy: level 1 Maximum output capacity 3 300VA Three-phase coarse Ambient temperature
Diesel generator, natural gas generator, biogas generator.Manufactures
