Overview The instrument is designed for HV substations and power plants to test the characteristic of large HV transformer, electric machines and appliances, remote power cable or buried cable and other electrical insulation resistance in strong interference environment. It also can be widely used for testing characteristics of insulation resistance in other area. Technical Parameters Technical parameters Measurement voltage range 0.5kV 1kV 2.5kV 5kV 10kV 20kV Measurement voltage accuracy 5% 10V Short circuit current 10mA Measurement range and accuracy Measurement range Resistance measurement range Accuracy 20M 0.01 19.99M 5%+3d 200M 5.0199.9M 5%+3d 2000M 50 1999M 5%+3d 20G 0.519.99G 5%+3d 200G 5.0199.9G 10%+3d 2000G 50 1999G 20%+10d
Overview At present in the electric power system the grounding resistance of the earth network is mainly measured by power frequency large current tripole method. In order to prevent power frequency interference during power grid operation and improve the accuracy of measurement results insulation preventive test regulations stipulate that the test current of power frequency high-current method shall not be less than 30A. As a result there are many problems such as bulky test equipment complicated test process high working intensity and long test time. Ground Network Earth Resistance Tester adopts new frequency conversion ac power supply and adopts microcomputer processing control and signal processing and other measures which well solves the anti-interference problem in the test process simplifies the trial operation process improves the accuracy and accuracy of the test results and greatly reduces the labor intensity of test personnel and test cost. Ground Network Earth Resistance Tester is suitable for testing power frequency grounding impedance contact voltage step voltage power frequency characteristic parameters and soil resistivity of various grounding devices. measurable substation ground network (4) water and fire power plants microwave station (10) the lightning rod 10 multi-purpose machines. Ground Network Earth Resistance Tester adopts different frequency anti-interference technology which can accurately measure data at power frequency of 50Hz under strong interference environment. The maximum of test current is 3A which will not cause excessive potential of grounding device during the test. Meanwhile it also has strong anti-interference ability so it can be measured without power failure.
Overview Digital Ground Resistance Tester Rejects the traditional manual manual power generation method adopts advanced media and large scale integrated circuits, and uses DC / AC conversion techniques to combine the triple buttons and four-end button measurement modes with new ground resistors. . The working principle is that the DC / AC converter in the machine changes the DC constant current, and the circuit is formed by the auxiliary ground electrode C and the measurement object E, which generates an AC voltage drop on the measuring object, and feeds the AC amplifier through assist grounding. The electrode P amplified, and then multiplied by multiplying by multiplying by a power switch to display the instrument header head, you can get three different number limits 0 2 0 20 0 200
Overview The Intelligent dielectric loss tester also applies to the measurement of tg and electrical capacity of high voltage electrical equipments in the workshops, laboratories and research institutes. It could measure non-grounded or grounded high voltage equipments adopting positive and negative connection method. Besides, it could measure the tg´ of capacitor voltage transformer and capacitance of main capacitor C1and C2. Main Specifications Control panel printer, keyboard, indicator and communication transferring. Variable frequency power supply SPWM switching circuit is adopted to generate and output high-power sine wave stable voltage. Step-up transformer the output of variable frequency power supply is stepped up to the measuring voltage. The maximum reactive power output is 2KVA one minute. Standard capacitor internal Cn. It is the measuring basis. Cn current detection it is used to detect the internal standard capacitor current, 10A 1A. The input resistance is
Automatic capacitance and inductance tester is designed for the problems in the measurement of high voltage shunt capacitor banks in substation sites and refers to GB3983.2-1989 High Voltage Shunt Capacitors DLT840-2003 Technical Conditions for Use of High Voltage Shunt Capacitors and JB5346 1998 Series reactor and other national standards and specially developed mainly to measure the high voltage shunt capacitor bank and reactor of reactive power compensation device. Automatic capacitance and inductance tester adopts a new generation of high-speed hybrid microprocessor which is highly integrated synchronously collects the voltage signal and current signal of the test object and automatically calculates the capacitance value inductance value and reactive power value. On-site measurement of capacitors eliminates the need to remove the connecting lines simplifying the test process effectively improving work efficiency and avoiding damage to power equipment. After the test the capacity of each phase capacitor and other parameters are automatically calculated and it is easy to discriminate the quality change of the capacitor and the connection conductor failure between devices. At the same time the automatic capacitance and inductance tester also features data storage and USB communication eliminating the need to copy data on-site and ensuring complete measurement data.
Overview Cable check and cable, cable lookups are a bit a bit of arbitrary wiring (no need to publicly line). It can greatly improve the construction progress, which is a new test tool in on-site construction such as electricity, telecommunications, automation control. The cable calibration equipment is based on the characteristics of foreign new types of wire tools, combined with the actual situation of China, using digital identification technology, making the test work simple and accurate. Technical parameter: Parameter Display the maximum row of LEDs 1000�©, the maximum distance of the quilt is 40km / 1.5mmmmmmmmma size Transmitter Size: 135 * 70 * 24MM Receiver Size: 135 * 70 * 24mm Function 1. The entire instrument consists of a transmitter and a receiver; 2. There is no need to determine the public line to make it easy to use; 3. Wire recognition, distribution, application to a part of the wire or multi-heeled wire; 4. One item can be identified, if you need to distinguish more wires can measure or use multiple instruments; 5. Can determine whether there is a short circuit or disconnect between the wires; 6. The receiver is also a disconnect detector that can be used to measure whether the wire is turned on; 7. The structure is small and easy to operate.
Description Power Recording Analyzer is designed for power signal record. The power generator test items are integrated at the tester. With those test items users can make motor (Power generator) No-load test, Short circuit test, Motor excitation step response test, motor excitatory de-excitation test, motor load rejection test and grid synchronous connection test and also on Technique index ~200V, -400V~400V and -20mA~20mA. Users can switch the input range from software. Also there is one channel -100mV~100mV which allow the input signal less than 10V. 2. The voltage and current input range assured errors are as follow: -400V~ 400V assured error less than 0.5V -200V~ 200V assured error less than 0.2V -10V~ 10V assured error less than 0.01V -20mA~ 20mA assured error less than 0.02mA -100mV~ 100mV assured error less than 0.2mV 3. There are 12 channel wet contacts binary signal input. The valid and allowed input voltage is DC12-200V. 4. There are 3 channel relay contacts output. The maximum capacity for the contacts is AC220V/1A. 5. There are 2 USB port used for data export and mouse/keyboard input 6. The LCD is 12.1 inches touch pad input mode. Make the human interface more simple. 7. The saved space in the tester is 32G for standard configuration 8. Input resistances for different channels are as follow: -10V~10V Range Input resistance is 820K -200V~200V Range Input resistance is 820K -400V~400V Range Input resistance is 820K -20mA~20mA Range Input resistance is 820K -100mV~100mV Range Input resistance is 10M 9. Power supply AC 220V 10% 45Hz-65Hz
Product description Automatic tension tester Intermolecular Forces formed liquid surface tension.Numbers of tension reflect on liquid sampleâ??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 its used widely Specifications Measuring rang 0-200mN/m Accuracy 0.1%( test result) ±0.1 mN/m Precision 0.1mN/m Sensibility 0.1mN/m Mains voltage AC220V ±20% 50HZ±10% Maximum power dissipation 20W Suit ambient temperature 10 30 (25 the best)
Introduction 3 phase transformer on-load tap changer testeris mainly used to test three-phase transient time, transition waveform, transition resistance, synchronization state, etc. The transformer on-load switch tester is a comprehensive transformer on-load switch measurement and tester, which is used to measure and analyze the electrical performance indicators of power transformers and special transformers on-load tap-changers. The transformer on-load switch tester can automatically capture and display the transition resistance during the transition process. There is also a process of time jumping. Technical parameters Three phase constant current source charge,charge current: 3A/1A; 0.6A/0.2A Maximum voltage of the port: 24V Maximum range of transition resistance: 100 Measuring range: 1A 0.4 20 0.2A 10 100 Record time of waveform:300ms Sample rate: 30k Resolution of time:0.1ms Resolution of resistance: 0.1 Accuracy of transition resistance: ±5% Reading±0.1 Accuracy of transient time: ±0.5% Reading±0.2mS Temperature: -10-40 Humidity:
Product description AC DC high voltage dividerFRC series AC DC high voltage divider also known as FRC Divider, it is a kind of resistance-capacitance equivalent potential screen voltage division type high voltage measurement device, is mainly used for the measurement of pulsed high voltage, lightning high voltage and power frequency high voltage. It is the first choice for the replacement of high voltage electrostatic voltmeter. Technical index Item FRC-50 Voltage grade(kV) AC: 50 DC: 50 DC frequency(Hz)
Overview: The Intelligent Tg dielectric loss tester is equipped with high voltage step-up transformer. Besides, it takes security measures like zero-cross closing, lightning protection, etc. During the experiment, different levels of high voltage ranging from 0.5KV to 10kV are outputted. The instrument has the advantages of convenient and safe operation. Technical index The Intelligent Tg dielectric loss tester has: printer, keyboard, indicator and communication transmission. Detect internal standard capacitor current: 10�¼A~1A Positive connection measurement: 10�¼A~1A Amount of negative connection side: 1A~1A Side volume range: 0.001%
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 AC220 ±10% 50/60 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.
Product Introduction: The handheld SF6 gas leak detector is a stable and sensitive leak detector. We have fully considered the actual needs of the majority of users, and at the same time apply our rich technology and experience to this product, allowing users to enjoy an excellent price-performance ratio. The high-tech central microprocessor unit is the core of the qualitative leak detector for sulfur hexafluoride gas. Its digital signal processing capabilities can better manage circuits and process detection signals. Due to the use of a large number of integrated circuits, the number of components in the circuit is reduced by 40%, which greatly improves reliability and efficiency. The microprocessor can monitor the probe and battery voltage at a rate of 4000 times per second. Even the smallest signal can be captured. It can work stably and reliably in any environment. The SF6 gas qualitative leak detector has added some convenient functions. Seven-level sensitivity, the sensitivity is increased by 64 times. The three-color LED gradually indicates the degree of leakage in a large range, and is also used to display the sensitivity level and battery power. Touch the keyboard to perform all operations. The avant-garde slender shape design greatly facilitates the user's use and maintenance. It is very convenient to use the indicator light in the direct range.
Product Introduction: SF6 intelligent micro water quality tester 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. Technical Parameters: Measuring range Dew point value: -80~ +20 Moisture content: 0 ~ 19999uL/L
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
Product description Multifunctional transformer test bench is a new generation of calibrating device, faster and more accurate. We dedicately develop it to meet the demand of modern calibration. It is made up of an HGQA-C Transformer Calibrator, a current load case, a special test standard for CT and so on. Inheriting the oringinal the features, it is remarkably improved. With flexible match with more load cases and transformers, it performs excellently in quick test and quick point location during CT test. Technical index Environment Conditions Temperature 5 C~40 C Relative humidity
Introduction The SF6 gas comprehensive instrument is a three-in-one tester that integrates, concentration, and main crystallization measuring instruments. It concentrates the achievable capabilities into one and completes three functional tests at a time, which greatly reduces the gas emissions in the equipment and effectively protects the environment. , Pollution, while reducing the user's workload and improving work efficiency. It is because the sensor of Finland Vaisala is used; the SF6 gas comprehensive supplementary instrument has sufficient performance, and it uses an efficient absorption sensor. The special instrument adopts the sensor of German HNP; some products adopt the special sensor of imported American Dekang SF6. The SF6 integrated equipment display adopts a large-screen Chinese display, real-time various parameters, intelligent and intelligent operation, massive information, and dual-use rechargeable batteries. Energy-saving technology, energy-saving and environmentally friendly instruments. The SF6 comprehensive tester adopts the sensor, sensor, SOH2S, CO and other sensors of Finland VAISALA company, and adopts the thermal conductivity type of British ALPHA company. Sensors and R&D sensors; more advanced ARM development technology, quality sensors, sensors and other precision sensors, equipped with sensors and sensors are more realistic, more simultaneous, and manufactured. The tester uses a color screen screen display, friendly interface, and easy to operate. This type of comprehensive tester uses reliable imported sensors as sensitive components, and at the same time integrates real-time measurement, curve display, power management, time system, file system, data query, data understanding and other update functions, and integrates advanced sensor technology. And information technology, humanized operation information technology, humanized operation and perfect functions, you can learn her ability and perfection in printing.
Product description 6 Phase Relay Protection Tester High performance Industrial control computer is adopted as the controlling computer, through which you can run the windows operating system directly. 8.5"TFT true color LCD display, tracking ball and optimized keyboard are located on the faceplate of this tester, which can be used without the external mouse and keyboard. USB interface, 10-100M net mouth and serial communication interface are located on the back plate of this tester, through which you can access data, communicate data and upgrade software conveniently. Technical index Current generators General Setting range Accuracy 0.2%typical 6-phase ac(L-N) 6*0 30A Distortion 0. 5%typical 3-phase ac(L-N) 3*0 60A Resolution 4.0mV 1-phase ac(L-N) 1*0 180A Generator, general 6-phase dc(L-N) 6*0 10A Frequency range 3
Product description Oil dielectric loss tester is a high-precision instrument, which can be applied to measure dielectric loss angle and Volume Resistivity of insulating oil etc. It is integrated by oil cup for dielectric loss, temperature-control equipment, temperature sensor, test-bridge for dielectric loss, AC trial electrical source, standard capacitor, high resistance meter and DC high-voltage power etc. The most advanced heating mode of high frequency induction is applied to the heating part of this instrument, which has the advantage of non-contact of oil cup and heating unit, homogeneous heating, quick velocity and convenient control etc. Technical index Oil cup technical specifciations: Distance between High Voltage terminal and Low Voltage terminal 2mm Capacitance of Empty Cup 60 ±2PF The Highest testing voltage Industrial Frequency 2000V Dielectric Loss of Empty Cup tg 1 10-4 Liquid capacity About 40ml â?¹ Electrode Material Stainless Steel â?º Volume 70mm(D)�?120mmï¼?Hï¼? 1 Condition of Use -5â??â?½40â?? RHï¼?80% 2 Power Source
Product description Electrical equipments in modern industrial, commercial and residential users are more sensitive to power quality, and have a higher requirement of quality of power supply. Currently, harmonics,electromagnetic interference, power factor reduction have been tied to the three hazard of the power system. When it is interfered or contaminated, grid power quality canâ??t reach the national standards, so it has to be targeted on the grid power quality improvement. To understand the actual situation of power quality, you must have the appropriate equipment to test and analysis the actual situation. Counter the domestic condition, our company developed the professional power quality analysis instrument, which is suitable for the country. 3 phase handheld power quality analyzer Technical index 1. Input characteristics Voltage measuring range: 0 200V 800V, automatic cutting gear. Current measurement range Clamp transformers (three types): 5A / 25A (standard) 100A / 500A (optional) 400A / 2000A (optional) Phase angle measuring range: 0 ~ 359.99 . Frequency measurement range: 45 ~ 55Hz. Voltage channels: three-channel (UAã??UBã??UC). Current channels: three-channel (IAã??IBã??IC). Maximum harmonic analysis times: 63 times. Maximum continuous storage period in 1 minute interval: 18 months. 2. Accuracy
