Overview Light digital relay protection tester characteristics; 4/6/8 pairs of 100M Optical Fiber Communication Ethernet interface, can send and receive the sampling value of the IEC61850-9-1 / 2 frame format, Goose, IEEE-1588 packets; more support 24 sets of SV packets +64 groups of Goose packets simultaneously; 3/5 pairs of 2 10M fiber serial port, can send and receive IEC60044-7 / 8 FT3, national network expansion FT3, Xu Ji privately owned FT3 frame format sampling value 12 road simulation small signal output, provides testing of protection devices input for small signals; Technical parameter: Fiber Ethernet port S, ST, Mode, 1310nm; IEC61850-9-1 / 2 / Le, Goose, IEEE-1588; Send dispersion:
Overview The digital millisecond tape RS232 communication interface is widely used in electric power, electronics, telecommunications, railway, transportation and electromechanical, mechanical and other departments. It is used to measure the electromagnetic contact, remote device, and automatic device various action time, action intervals, machinery. The contacts, contacts, power switch main contacts, time, three phases, interval, tensile interval, tensilate, slightly separation, interval between closures, hierarchics, tensile gain machine B contact, and Active pulse lines such as various band switches, lock switches, limit switches, and universal conversion switches are (also available for sports), and measure the speed of the A point to the B point. Technical parameter: Measuring range 0.0001-999.9999 seconds Timing accuracy 0. 01% 2 words power supply AC 220V 10% 50Hz power 5W input signal Mechanical air contact or electrical signal (5-20V) Reset method Manual or software clearing Relative humidity 80%RH Dimensions 195*175*80 weight 1.5 kg
Overview The system is suitable for high-voltage 10KV, 35KV low voltage 400V capacity 5000kVA and the following transformer factory test and voltage 10kV capacity 3150kVA and below the distribution transformer no-load test, load test, variable ratio measurement, DC resistance measurement, power frequency withstand voltage test, sensitive The pressure test is integrated integrally integrated, digitized, reducing mechanical faults and reading errors, improves the accuracy and applicability of the overall test system, making the factory trial easier and faster. Technical parameter High pressure 35K, low pressure 400V capacity 5000kVA or less dry press factory test High pressure 10K, low pressure 400V capacity 5000kva dryer factory test High pressure 10K, low voltage 400V capacity 3150kVA or less oil immersion press factory test Voltage transformer metering range and accuracy Voltage Transformer Range: 100V 3.6kV Voltage transformer gear: 3.6kV, 2kV, 1.2kV, 0.6kV Current transformer accuracy: 0.05% Power frequency withstand voltage test Leak current: 300mA Output voltage: 100kV Function: The system has two operating modes (two ways to lock each other, can only work in an operation) automation, flexible design, high integration, complete function
Functional characteristics Transformer capacity and no-load tester Measure the transformer load current, load loss, short-circuit voltage, short circuit (load) losses, capability. Main technical parameters Capacity measuring range : 30kVA 31500kVA Current measuring range: 0 -100A auto-switch the measurement range Current measurement accuracy: (0.2% + 3digits) Voltage measurement range: Line Voltage0-750V;phase voltage 0-450V, auto-switch the measurement range Voltage measurement accuracy: (0.2% + 3digits) Insulation resistance: Leakage current:
Product description Transformer calibrator is a new automatic instrument. We apply advanced electronic technology in the design. By directly decomposing the error signal, it is able to display the percentage, phase error and orthogonal error statistically. It s quick and energy saving. And it s especially good for live testing due to its cute dimension and light weight. Technical Parameters Working Condition: (1) Temperature: 5 (2) Relative humidity:
Product description The current booster is used on checking current transformer,to be the power source supply once current for current transformer or to be other 50Hz single phase current source device. Technical index Temperature Humidit Capacity: 20kVA Specification Weight: 75Kg Allow long-term work on the rated current Allowable overload 1.5 times,30 minutes of continuous work. Feature This PSLLQ is make up of input Winding(220V), output winding below 100A and CXRZ. Output current indicated on the nameplate is defined the rated current that through winding allow to pass.When CX many circles, the rated current its permitted to pass through will inversely decline. The value which ouput capcity divided by product of output current and each circle voltage was the biggest circle number allowing. The current booster is designed to provide the primary current power supply for the current transformer when verifying the current transformer or as other 50HZ single-phase power equipment. The current booster for transformer verification is suitable for power departments such as power testing, power measurement, and power maintenance. The current booster is developed and produced according to the industry standard of transformer error testing, and is used as a current transformer to verify the primary current of the current transformer. The output current can be customized according to customer requirements. The lifter is equipped with casters for easy on-site movement.
Product Introduction This Transformer control boxof console is suitable for adjustable voltage control of 0.5-10kVA test transformer. Technical Indicators Maximum capacity 20kVA Input voltage 220kV Output voltage 0-250V Maximum output current 0-90A Mains phase number single-phase Power frequency 50HZ Instructions precision 1.5 Class Using Methods and Attention Matters 1.Check the test transformer measuring winding rated output voltage, and make it match the operation box correctly. 2. Connect the line between test transformer and operation box according to the wiring diagram. 3. Switch on the power supply, then close the knife switch, and the power indicator light, finally set the work time of relay. 4. Make the pressure regulator display zero, press the start button, the clockwise rotation of the hand wheel, until it reaches the required value. 5. Start the timing switch, timing begins, the electric bell will alarm automatically when it reaches the setting time(artificially controlled time if there is on alarming function), then break off the timing switch. Q&A: What is the difference between a control box and a box-type transformer The control box has only control functions. It is a control unit. Its main function is to issue instructions to control the rapid breaking of the circuit breaker in the box substation; it is a component in the box substation. The box-type transformer generally refers to the box-type substation, which integrates the functions of power transformation, power distribution, control, and protection.
Overview Microcomputer relay protection tester also known as three-phase microcomputer relay protection tester, three-phase microcomputer relay protection tester is a special power relay protection tester.Three-phase microcomputer relay protection tester has 4 phase voltage 3 phase current output, suitable for various types of relay protection device test.Three-phase microcomputer relay protection tester adopts high speed and high performance digital control processor as control microcomputer, and the software uses double precision algorithm to generate arbitrary high precision waveform of each phase.Because of the integrated structure, each part is closely combined, the data transmission distance is short, and the structure is compact.It overcomes the problem of low number of output waveform points caused by long data communication line and narrow frequency band in the measurement and control instrument directly controlled by laptop computer. Technical parameter : AC current output Output accuracy Phase current output (effective value) Three merge current output (effective value) 120A Phase electric length time allows work value (effective value) 10A Phase current maximum output power 420VA Maximum output power at the maximum output of three 900VA Working time is allowed when the maximum output of the three mesh is output 10s Frequency range (fundamental) 20 1000Hz Harmonics 1 20 times AC voltage output Output accuracy Level 0.2 Phase voltage output valid value 120V Line voltage output valid value 210V Maximum voltage output value 240V Phase voltage / line voltage output power 80VA /100VA Frequency range (fundamental) 20 1000Hz Harmonics 1 20 times
Product description Partial discharge comprehensive analyzer is the dedicated product to measure and analyze the insulation ability of electrical equipment. This system adopts modern electronic and computer integrated technology with the functions of signal amplification(analog signal, electronic signal, digital signal), filtration, data sampling, data processing, figure display, test report generation automatically so that it may finish the measurement, location and analysis of the partial discharge. Technical index Technical characteristics Number of interfaces Free-running 4 interfaces Sampling rate 1M. 5M. 10M selected Sampling accuracy 12bit Range changing -40dB, -20dB, 0dB, 20dB, 40dB ,60dB, totally 6 types Measurement frequency range 3db bandwidth 10kHz 1MHz Digital filtering 10kHz 1MHz freely selected Program controlled filter subsection Nonlinear error in the range 10% Measurement range 0.1pC~100,000pC Sensibility 0.1pC Capacity range of the measured product 6pF 250 F Frequency range of test power 50 500Hz Display Display screen 12 TFT true color touchable LCD screen Resolution 1024 768 Interface USB 3 types, use of external mouse, keyboard or other USB devices. Power mode AC 220V; Frequency 50Hz; Power 300W Electric signal interface 4 BNC interfaces, use of signal input. Optical signal interface 4 types, use of signal input Network interface 1 type Landing button External landing General instruction CPU Basic frequency 1.60GHz Ram 2.0GB Hard disk 128GB SSD System Windows Xp Operating environment Size Weight 15.8kg
Product description Partial discharge inspection instrument is a digital partial discharge charged detection instrument designed by our company based on years of experience in partial discharge measurement. It adopts two emerging technologies, ultra high frequency (UHF) measurement and ultrasonic (US) measurement. This system uses modern electronic and computer integrated technology to realize signal amplification, filtering, data acquisition, data processing, partial discharge parameter calculation, map drawing, and automatic generation of test reports, thereby completing the intelligent measurement and analysis of partial discharge. This device adopts handheld design and Wince system development; the device is lightweight, convenient to carry, fast to measure, and easy to use on the spot; it has friendly interface, simple operation, and high refresh rate; and the device has complete functions, strong anti-interference ability, and accurate measurement. This instrument has no damage to the power equipment to be tested during the testing process, and has no impact on the operation of the equipment. According to the maps obtained by the multiple detection modes of the UHF and US methods, the diagnostic analysis of the detection of insulation defects or hidden dangers of power equipment can be performed to clearly determine the operating status of the power equipment. Technical index Host parameters Number of interfaces 2 interfaces 1 UHF interface 1 US interface Sampling accuracy 12bit Way of synchronization Internal synchronization,External synchronization, Light synchronization UHF parameters Measurement frequency range 300MHz-1.5GHz Output method Output with SMA head Receiving method Receive with antenna Transfer method Coaxial cable Sensitivity 70dB Mean sensitivity 50dB Dynamic Range 80dB Hardware Display screen 4.3 TFT true color LCD screen Resolution 480 272
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 0.2% CT ratio tests Range 1~40000 Voltage method / current method Accuracy 0.2% PT ratio tests Range 1~40000 Accuracy 0.2% Phase measurement Accuracy 5min Resolving power 0.5min Secondary winding resistance tests Range Accuracy 0.52m AC load tests Range 0~1000VA Accuracy 0.5% 0.05VA Power supply AC220V 10 50Hz work environment Size & Weight Size: 425 mm 290 mm 310mm Weight: 30kg
Overview This device is designed and manufactured for 35kV cable AC withstand voltage test. The reactor is individually designed for multiple units, which can not only meet the test conditions of high-voltage and low-current equipment, but also meet the low-voltage AC withstand voltage test requirements of 10kV cables. The special AC resonance test system for cables adopts the method of adjusting the frequency of the power supply, so that the reactor and the capacitor under test can achieve resonance, and the high voltage and large current can be obtained on the test product. It is a new method of current high voltage test and The trend has been widely used at home and abroad. The AC resonance test system uses a dedicated SPWM digital waveform generator chip with a frequency resolution of 16 bits, and the frequency fineness can reach 0.1 Hz at 20 to 300 Hz; it adopts an orthogonal non-synchronous fixed carrier modulation method to ensure that the entire frequency The output waveform is good in the interval; the advanced IPM module is used in the power part to ensure the stability and safety of the instrument under the minimum weight. The test system consists of a frequency and voltage regulation power supply, an excitation transformer, a reactor, and a capacitor divider. Technical index 1. the resonant excitation power supply only needs 1/Q of test capacity, which is 1/10-1/30 of common test unit and reduces the system weight and volume greatly. 2. Rated voltage: 1.108kV meeting the alternating current withstand voltage test for 35kV cable; 2.Waveform distortion rate of output voltage should be less than 1.0 3.The permissible continuous working time is to work for 5 minutes at one time under rated condition. 4.Quality factor of unit itself: Q 50 Advantage 1.The power capacity needed is reduced greatly. 2.The weight and volume of equipment is reduced greatly. 3.The waveform of output voltage is improved. 4.The large short-circuit current is prevented from burning fault point. Feature: 1. A large number of cables with voltage levels of 35kV and below are used, and the test workload is large, so this type of withstand voltage test device is small in size and light in weight, and a portable cable withstand voltage test system was born; 2. This system requires that the weight of the parts that a single person can move on-site does not exceed 30kg, and the weight of the parts that two people can move on-site does not exceed 60kg, which is suitable for on-site transportation; 3. The power supply adopts 220V single-phase power supply or 380V single-phase power supply, which is convenient for on-site power supply; 4. The reactor part is made of dry epoxy casting, which is beautiful and reliable, suitable for the requirements of various cables; 5. The withstand voltage test of 110kV and above cables adopts oil-immersed reactors.
Overview High pressure wireless phase detector is a dedicated test high-voltage nuclear phase tester based on national power industry standard norms and market demand, and high-voltage nuclear photographic applies to detecting the two-sided circuit breaker of the ring or dual power supply power network closed loop circuit breaker. Whether it is produced in the same phase. Before the closed loop two power supply, you must perform a nuclear phase, otherwise a short circuit can occur, suitable for the 6KV ~ 220KV transmission line with the electrical core, the sight can reach 200 meters, and the wall can be used, and it has a test function. Wireless high-pressure cores use wireless transmission technology, safe and reliable operation, easy to use, in line with national electric power safety equipment quality supervision and testing standards. Compared with the cable core, it is the main advantage that the lead wire connected to both grids (power supply) is removed, and the safety is used to improve the security in a manner that is not subject to any terrain and facility architecture. Technical parameter: Phase difference Error 5 Frequency accuracy 0.1Hz The voltage grade measured by this product is 6kv-220kv Transmission distance of the transmitter and receiving host
Product description Automatic tension tester Intermolecular Forces formed liquid surface tension.Numbers of tension reflect on liquid sample s physics and chemical properties, it is one of the most important index to product quality. automatic interfacial tension tester apply to GB/T6541,it can test kinds of liquid surface tension and boundary surface tesion.this method sample and accuracy,so it s used widely. Specifications
Overview The transformer integrated test system complies with GB1094, GB / T4776, GB / T5169 and other relevant national standards. With the increase in transmission and electrical power generation and the continuous increase in power grids, the successful transformation of the national city network, the farnet, and the number of online quantities and capacity of power transformers are increasing. Technical parameter: Equipment measurement range and precision Voltage metering range: 50V 500V Voltage metering accuracy: 0.2% Current metering range: 0.1a 5a (can be 0.1A 1A) Current metering accuracy: 0.2%; Power frequency withstand voltage test Leak current: 400mA Input current monitoring instrument Monitoring range: 200A Function: Equipment failure automatic detection function, automatically detect peripherals, such as: the voltage regulator is zero, etc .; Test item: no-load loss measurement, no-load current percentage (automatic conversion to the value of the rated voltage), load loss measurement, the impedance voltage percentage (automatic conversion to the rated current reference temperature) Automatic measurement (voltage ratio measurement, connection group label test), external pressure test (power frequency withstand voltage test), induction pressure test (multiplier multiplier test), insulation resistance measurement, lightning shock test, insulation Oil test (breakdown voltage, flash point, acid value, volume resistivity, moisture, etc.), local discharge test, temperature rise test
Product Introduction: Arrester Discharge Counter Calibrator is used for discharge action logger inspection and verification of discharge counter in valve-type arrester including silicon carbide common valve type (FZ and FS), silicon carbide magnetic blow valve-type (FCZ and FCD) and zinc oxide arrester. It is used to verify the reliability of various lightning arrester counter actions. The reliability of the counter action is very important to the power system. It is an important parameter to record the number of lightning strikes by the lightning arrester in normal operation. It can provide the staff of the power system with an important basis for the targeted inspection of the arrester. This instrument is mainly used for high-voltage arresters above 35kV. Product Parameters: 1.Ambient temperature 2.Relative humidity 3.atmospheric pressure:86 106kPa 4.Discharge test voltage: 2kV 5.Charge time: 1 minute
Product Introduction: Lightning Protection Element Tester is suitable for testing the DC parameters of over-voltage protection components such as zinc oxide surge arresters (varistor) cermet two three-electrode discharge tubes and vacuum lightning arresters. Product Parameters: Varistor measurement Technical index Measuring range Maximum error Test Conditions
Product description The test transformer 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 Oil Immersed Testing Transformer 1 Technical index Model Capacity High Frequency Voltage Output Voltage High Frequency Voltage Output Current ) Low Frequency Voltage input Change Tempera- ture raised 30 minute V A 1.5 50 30 200 7.5 500 10 3 50 60 200 15 500 10 5 50 100 200 25 500 10 10 50 200 220/380 50/26 500 10
Introduction AC transformer ratio tester is an innovative product are mainly applied to change than group test transformer, PT and CT polarity test, test speed, high accuracy. Technical Indicators Working power supply AC22050/60 HZ Instrument weight 3.8 kg Instrument dimension 325 mm L 225 mm W 125 mm H Use of temperature -10 50 Relative humidity 90 No dew Functional Characteristics It has the function of blind measurement, that is, to perform variable ratio and group test when there is no connection between high and low voltage. Based on the test of conventional transformer, Z-type transformer and PT sample, the polarity test function of CT variable ratio is added, and the application field is wider Wide range and high accuracy, the variable ratio measurement range can reach 10,000, and the test accuracy can be guaranteed 0.3% when the maximum value is 10,000. It has perfect protection functions such as reverse connection protection and output short circuit protection. AC transformer ratio tester Packaging Content Standard accessories 1 transformer turn ratio tester 1 sets of test lines (red and black each) 1 power cord 1 print user manual 1 copy of certificate and factory test report
Overview Hand-held transformer turn ratio tester is an innovative product with compact size, hand-held operation, more portable and easy to carry. Technical index Range 0.9 10000 Accuracy
