HGQY-H voltage transformer field tester based on the traditional differential measurement method uses the voltage transformer load error curve extrapolation method mentioned in the newly issued JJG1021-2007 "Power Transformer" Verification Regulations. Using low-voltage extrapolation technology combined with advanced measurement circuits a single instrument can measure electromagnetic voltage transformers from 6kV to 220kV/3 with an accuracy level of 0.05 which is very suitable for field voltage transformer verification. 1. No need for booster voltage standard load box and voltage regulator on site you can achieve the test of voltage transformer ratio difference and angle difference. A single instrument weighs 12 kg which greatly facilitates on-site use. 2. The test speed of the instrument is fast and the measurement of a single voltage transformer does not exceed 1 minute. 3. The instrument is equipped with a micro printer which can print test data on site. 4. It can store 1000 sets of data and can communicate with PC by RS-232 interface. 5. The equipped data management software can be networked with the power system MIS software. 6. Adopt 10.4-inch large-screen LCD display with humanized operation interface and wiring diagram and simple operation guide are attached to the instrument. 7. The output power is large which can meet the required capacity of 220kV voltage transformer boost.
SMG6600 six channel differential protection vector tester is a kind of instrument which can measure primary side current secondary side current and secondary side voltage at the same time and then make analysis and report. The instrument can analyze three-phase unbalance degree and hexagonal vector diagram by measuring primary side current secondary side current and secondary side voltage and can output word and Excel files without upper computer software which is convenient for users Period processing report. The instrument adopts high-precision data acquisition chip with analog 24 bit ADC precision DSP processing data arm and TFT touch screen display measurement data intuitively and conveniently. 1. At the same time measure the 1-3 AC voltage on the secondary side; 2. At the same time measure 1 to 3 AC currents on the primary side; 3. At the same time measure 1-3 AC current at secondary side; 4. Measure the phase between voltage current and voltage (angle between primary and secondary current); 5. Measurement of power grid frequency; Measurement of active and reactive power; 7. Measurement of power factor; 8. Three phase voltage and current unbalance detection; 9. Secondary side phase voltage range: 1-500v secondary side current range: 1ma-10a primary side current: 100ma-5a; 10. Display hexagonal vector diagram (mixed primary side and secondary side); 11. It is used as leakage current meter; 12. Low power consumption design built-in rechargeable battery as backup power supply; 13. Automatic range user-friendly design of mouse operation; 14. Data storage can be exported through U disk which is convenient for user data processing; 15. The field measured data can be printed out by micro printer; 16. Export files in word and excel format to facilitate printing reports.
Applications: Tests for current transformer: 1) Excitation curve and parameters test 2) Turns ratio test 3) Ratio and phase error test 4) Polarity mark check 5) Winding resistance measurement 6) Secondary loop burden measurement 7) Error line curve test for protection CT 8) Transient CT parameters test 9) CT nameplate guess 10) Saturation hysteresis loop curve measurement Tests for voltage transformer: 1) Turns ratio test 2) Ratio error and phase angle error test 3) Polarity test 4) Secondary burden test 5) Winding resistance test Features: 1. Make evaluation for test results according to selected standards. 2. Make word report for test result. 3. Make word reports one time for multi-group test records on the PC. 4. Calculate the ratio errors and phase angle errors at rated burden and working burden in one time test. 5. Compare excitation curves with saved excitation curves in the same window.
Product Introduction The three-phase phase voltammeter is used for measuring three-phase electrical parameters which can be used for high-precision measurement of voltage current phase Angle frequency power power factor and other electrical parameters of the Three phases. The three-phase phase voltammeter is designed with a high-speed Cortex M3 processor plus a 24-bit high-speed ADC to measure and calculate electrical parameters. It has a completely graphical interface. True color displays The resolution of The 320�?240. Product namesï¼?Smart digital three-phase phase voltammeter multi-function digital three-phase phase voltammeter three-clamp digital phase voltammeter three-phase phase voltammeter Recommended products
Product Parameter Product Parameters Use environment: 1. Temperature: 5 -- 40 relative humidity: < 80% (25 ) altitude: < 2500m Power frequency: 50Hz ± 0.5Hz power voltage: 220V ± 5V 2. Measurement range: In phase component (%): 0.0001 200.0 resolution: 0.0001 Orthogonal component (min): 0.001-700.0 resolution: 0.001 Impedance (): 0.0001 20.0 resolution: 0.0001 Mobility (MS): 0.0001 20.0 resolution: 0.0001 3. Basic error: In phase component: �? x = �± (x �? 2% + y �? 2%) �± DX (with level 1 option) Orthogonal component: y = ± (x 2% + y 2% 34.48) (Level 1 optional) "X", "Y" - display value of the instrument "DX, Dy" - quantization error of instrument Dx = 2, Dy = 5 4. Dial indicator: level 1.5 (optional level 1) Scope of work: 1. Current: (1% - 149%) in (in = 5a) 5% 149% In In =1A 2. Voltage: (5% - 149%) UN (UN = 100V, 150V, 100V / 3)
Product Introduction SMG7000 Handheld Power Quality Analyzer Input Characteristics 1. Voltage measuring range: 0~400V auto. 2. Current measurement range 3. Clamp transformers (three): 5A/25A (standard) 100A/500A (optional) 400A/2000A (optional) 4. Phase angle measurement range: 0~359.99 �°. 5. Frequency range: 45~55Hz. 6. Voltage number of channels: three channels (UA UB and UC). 7. Current number of channels: three channels (IA IB IC). 8.Maximum number of harmonic analysis: 63 times. 9. Intervals of 1 minute maximum storage period: 18 months
High-speed transformer verification device is a new generation of transformer verification device developed by our company. The design idea of virtual instrument is adopted. The user only needs to operate the virtual instrument interface on the computer screen through the mouse and keyboard to input the transformer type range accuracy level capacity power factor and other parameters can complete automatic testing of current transformers and voltage transformers as well as analysis calculation and database management of test results and can be printed according to user needs various records and certificates. 1. The automatic mutual-inductor calibration platform adopts a single chip microcomputer to realize the functions of measurement control and display. 2. With computer interface improve the level of office automation and reduce the labor intensity. 3. Can have a large screen display provide a friendly operation interface and rich measurement information. 4. It can automatically realize the measurement of the transformer and can automatically switch the current and voltage load box. 5. Possess good catching measures and be able to promptly inform users of wrong information. 6. This automatic transformer calibration station can reach level 2. 7. The transformation ratio of the standard transformer and the tested transformer does not have to be equal as long as the rated primary voltage or rated primary current of the standard transformer is greater than or equal to the rated value of the tested transformer it can be directly verified which is more convenient to use. Recommended products
Product Introduction ground resistance tester rejects the traditional manual manual power generation method adopts advanced medium and large scale integrated circuit and applies DC/AC conversion technology to combine the three-end button and four-end button measurement mode into a new type of Ground Resistance meter.. The working principle is that the DC/AC converter in the machine changes DC into low-frequency constant current of AC and the circuit is formed by auxiliary ground electrode C and measured object E which generates AC voltage drop on the measured object and is fed into AC amplifier for amplification through auxiliary ground electrode P and then sent to the meter head for display through detection. With the aid of multiplying power switch three different quantity limit can be obtained: 0 ~ 2 0 ~ 20 0 ~ 200. Didital ground resistance tester is suitable for measuring Ground Resistance of various devices and conductor Resistance of low Resistance in electric power post and telecommunications railway communication mining and other sectors; Didital ground resistance tester also measures soil resistivity and Ground voltage. Product nickname Ground Resistance Tester Digital Ground Resistance Tester Ground contact Resistance meter Ground Resistance meter Ground pile Didital Ground Resistance Tester digital Ground Resistance meter portable Didital Ground Resistance Tester digital Ground Resistance meter Didital Ground Resistance meter Tester
Product Introduction 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.
Product Introduction With the continuous update and expansion of modern technology higher requirements are put forward for the reliability of power system and high-voltage equipment. Accidents or damage of electrical equipment are usually closely related to insulation defects. Large capacity of electrical equipment high voltage structure diversification and sealing electrical equipment should be put forward a new higher requirements. With the increasing use of large-capacity equipment the insulation performance cannot be detected by ordinary megohm meter. Power test procedures for a number of power equipment such as: cable motor generator transformer transformer high voltage switch lightning arrester and other requirements to do a series of insulation performance tests the first is to do insulation resistance test. When testing the insulation resistance of large-capacity power equipment the insulation resistance value is related to the pressurizing time. The longer the pressurizing time is the higher the insulation resistance value is. This phenomenon is called insulation absorption phenomenon. In order to understand the insulation performance of the subject it is necessary to conduct the absorption ratio and polarization index test first so as to provide safety guarantee for the next leakage dielectric loss partial discharge and insulation performance test. According to the electric power standardization regulations our company specially introduces BC2010 Insulation Resistance Tester with large capacity high anti-interference and stable performance which can conduct Insulation absorption ratio and polarization index tests on electric power equipment providing accurate judgment in the early stage for series Insulation tests. Product nicknameï¼?Digital megohmmeter pointer megohmmeter insulating sheet Insulation Resistance Tester high voltage Intelligent Dual Display Insulation to hold Tester Insulation Resistance meter Insulation characteristics Tester high voltage megohmmeter with the function of absorbing than megohmmeter megohmmeter with polarization index function the electric shake tables electronic Intelligent Dual Display Insulation to hold Tester high-power high-voltage megohmmeter
Product Introduction The electric power production hold detector using embedded industrial microcomputer real-time operating system digital to analog pointer and digital code display perfect combination the whole list has a variety of output voltage level (2500 v 5000 v 10000 v) strong anti-interference analog pointer and digital synchronous display ac/dc simple operation automatic save measurement results etc. It is an ideal tester for measuring insulation resistance of transformers mutual inductors generators high voltage motors lightning arresters etc. Product nickname Digital Megabyte meter pointer Megabyte meter insulation meter digital high voltage Megabyte meter high voltage insulation resistance tester insulation resistance meter insulation characteristics tester electric shake meter electronic insulation resistance tester high voltage Megabyte meter insulation resistance tester
Application: ETCR2000 clamp ground resistance tester is a major technological breakthrough in traditional grounding resistance measurement. It is widely used in the grounding resistance measurement of electric power telecommunications meteorology oilfield construction and industrial and electrical equipment. When measuring circuit grounding system it is not necessary to disconnect the each connection wire and use auxiliary electrode it is safe and quick easy to use. Can measure the grounding fault which can not be measured by the traditional method because this instrument measure the integrated value of grounding resistance and ground lead resistance apply to the occasion that can not use the traditional method. Features: Apply to all kinds of ground lead.(round bar flat bar angle iron). Non-contact measured grounding resistance safe fast. Without using assistant ground rod. Without interrupting the grounding of the device under test. With double protecting insulation. With strong anti-interference ability and high accuracy. Use 5# alkaline batteries convenient for users.
Introduction: The PE pipe guillotine series is a series of professional PE pipe cutting tool produced by E-WORK. The design of the guillotine is reasonable and simple. The machine body is made of high strength ductile cast iron, which has high intensity and ductility. It can resist deformation under pressure, and crash-proof. The blade is made of high strength tool steel and specially heat treated to achieve a balance of strength and toughness. In addition, the surface of the blade is coated with the Teflon coating, which not only ensures the fast cutting of the blade but also durable. It is the ideal PE pipe cutting tool at present. Application: Flammable and explosive environment, free-noise area, etc. Product features: 1. The professional pipe cold cutting tool. 2. Safe operation, pure manual operation, and no spark together ensure the safety of pipe construction. 3. Cut without debris to ensure the inner cleaning of the pipe and prevent the valve from blocking. Therefore, compared with the grinding wheel saw, the guillotine is safer. When cutting PE pipe with the guillotine blade, the blade will not extrude the PE pipe to ensure the safety of the PE pipe. 4. The blade has a long service life. Unlike the pointed blade, the PE pipe guillotine with taper blade has a straighter cutting and a longer service life. 5. The machine conforms to ergonomic principles and saves time and effort in operation. Advantages: 1. Equipped with a long handle, lighter and easier to swing. 2. The accurate design makes cutting straight and efficient 3. The rack is made by super strengthen nodular cast iron, which is strong and of good ductility. 4. Super strengthen steel combined with special heat treatment make the blades reach a balance. 5. Unique block design makes it faster and easier to put in PE pipes.
Self-centering pipe cutting & beveling machine adapts high strength & precision ring structure. It is used for pipe end cutting and beveling, especially for batch working with very high efficiency. Adopt METABO motor: low noise, long life, stable performance and perfect speed adjustable function, with CE certificate. METABO Motor: 1300W 6.0A Featuresï¼? 1. Self-centering, make the installation much faster. 2. Compact structure and good appearance, high strength aluminum body. 3. Adopt new synchronous feeding mechanism, feeding uniformity, tool bits has longer working life. 4. Easy set-up, operation and maintain. 5. Cutting & beveling finished at same time, high working efficiency. 6. Cold working, no spark, wonâ??t make the material affected. 7. Perfect working precision, no burrs 8. Well-adapted, you can make the speed adjust depend on the working conditions.
Introduction: This machine is ideal for all types of pipe cutting, beveling and end preparation. The split frame design allows the machine to split in half at the frame and mount around the OD of the in-line pipe or fittings for strong, stable clamping. The equipment performs precision in-line cut or simultaneous cut and bevel, single point and flange facing operations, as well as weld end preparation on open ended pipe. It can be used on pipe size from 1â?? to 56" of most wall thicknesses and materials. Pipe Size: 25-89mm or 1-3inch Wall thickness (standard)ï¼?â?¤30 Wall thickness (heavy duty)ï¼?â?¤110 mm Cutting speed: 42 r/min - 8 r/min Product material: chrome molybdenum steel, low temperature steel, titanium alloy steel, etc. Features: 1. Low axial & radial clearance. 2. Small working radius, suitable for any working situation. 3. Cutting and beveling at the same time. 4. Can be opened to use on pipe in the wall or no end open pipe. 5. Cold cutting work methods, which don't damage the pipe. 6. Multiple bevel joint types: V, U, J, compound and counter boring etc. 7. Customize the machine according to your requirements.
Introduction: Hinge type pipe cutting machine series is produced by E-WORK to cold cut carbon steel, stainless steel, cast iron, and nodular cast iron pipes. The ultralight body design and reasonable physical setting optimize the cutting performance. Super strengthen steel combined with special heat treatment make the blades reach a balance- cuts faster and wear well. Application: This series of pipe cutting machine is widely used in free-spark and explosive environment, no noise area, narrow space trench, underwater, pipe rack, etc.. Product Features a. The professional pipeline cold cutting tool; b. Pure manual operation, no sparks, safe; c. Debris-free, clean, no risk of the valve block; d. Suitable positioning device makes clean and straight cuts, more efficient; e. Unique blade design, simultaneously cutting by four blades, faster and easier; f. Simple operation procedure, no other power source required, wear well; g. Short handle, swing range between 90 and 110 degrees, suitable for narrow working space; h. The applicable pipe cutting machine for nodular cast iron, carbon steel, and even size 100 super thick steel pipes. Advantages: a. The short handle suits perfectly in narrow space. b. The solid guide frame makes straight cuts. c. The blocking device makes the rack open easily. d. The unique feed screw makes cutting with uniform speed and strength. e. Super strengthen steel combined with special heat treatment make the wheels reach a balance. f. The design complies with human body engineering principle makes cutting easier.
Introduction: Rotation type pipe peeler for PE pipes is produced by E-WORK to peel PE pipes. It is the necessary tool before electric fusion welding plastic pipes and accessories. The surface of the pipes will be clean and even after peeling. If necessary, the peeling can be repeated. This type of peeler is made by the combination of an adjustable support frame of all working sizes and a handle with a fixed blade. It is simple and easy to operate, and the cutter bar is capable of expansion and contraction, with no jam risk. It is the ideal existing peeler in the industry. With its inner support structure, the handle is the only thing moves around the surface of the pipe, hence it's smooth when working, with no jam risk. The ERS series of product ensure constant regular peel and adjustment of plastic pipes. The bearing of the blade can reach the length of the whole electrical casting, which fits the requirement of the peeling range. Application: Flammable and combustible environment, free-sound area, narrow grooves, underwater. Product features: 1. The professional peeling machine for pipes. 2. Safe and dependable, pure manual operation, convenient. 3. The blade lasts long with groove function. 4. The cutting points are placed on circular rows, which does no harm to the pipes.
With the continuous update and expansion of modern technology higher requirements are put forward for the reliability of power system and high-voltage equipment. Accidents or damage of electrical equipment are usually closely related to insulation defects. Large capacity of electrical equipment high voltage structure diversification and sealing electrical equipment should be put forward a new higher requirements. With the increasing use of large-capacity equipment the insulation performance cannot be detected by ordinary megohm meter. Power test procedures for a number of power equipment such as: cable motor generator transformer transformer high voltage switch lightning arrester and other requirements to do a series of insulation performance tests the first is to do insulation resistance test. When testing the insulation resistance of large-capacity power equipment the insulation resistance value is related to the pressurizing time. The longer the pressurizing time is the higher the insulation resistance value is. This phenomenon is called insulation absorption phenomenon. In order to understand the insulation performance of the subject it is necessary to conduct the absorption ratio and polarization index test first so as to provide safety guarantee for the next leakage dielectric loss partial discharge and insulation performance test. According to the electric power standardization regulations our company specially introduces BC2010 Insulation Resistance Tester with large capacity high anti-interference and stable performance which can conduct Insulation absorption ratio and polarization index tests on electric power equipment providing accurate judgment in the early stage for series Insulation tests. Product nicknameï¼?Digital megohmmeter pointer megohmmeter insulating sheet Insulation Resistance Tester high voltage Intelligent Dual Display Insulation to hold Tester Insulation Resistance meter Insulation characteristics Tester high voltage megohmmeter with the function of absorbing than megohmmeter megohmmeter with polarization index function the electric shake tables electronic Intelligent Dual Display Insulation to hold Tester high-power high-voltage megohmmeter
Product Introduction The ground resistance measuring instrument is a new type of ground resistance measuring instrument which combines the three-end button and four-end button measuring methods by using advanced medium and large scale integrated circuit instead of the traditional manual manual power generation. The working principle is that the DC/AC converter in the machine changes DC into low-frequency constant current of AC and the circuit is formed by auxiliary ground electrode C and measured object E which generates AC voltage drop on the measured object and is fed into AC amplifier for amplification through auxiliary ground electrode P and then sent to the meter head for display through detection. With the aid of multiplying power switch three different quantity limit can be obtained: 0 ~ 2 �© 0 ~ 20 �© 0 ~ 200 �©. The earth resistance measuring instrument is suitable for measuring the earth resistance of various devices and the conductor resistance value of low resistance in electric power post and telecommunication railway communication mining and other departments. The table also measures soil resistivity and ground voltage. Product nicknameï¼?digital ground resistance tester digital ground resistance tester ground resistance ground resistance meter ground resistance meter ground resistance meter ground resistance meter ground resistance meter ground pile ground resistance tester digital ground resistance meter portable ground resistance tester digital ground resistance meter
Product Introduction TheBY2671 digital megohm meter (2500V) is composed of medium and large scale integrated circuits. This meter has large output power high short-circuit current value and large output voltage grades (there are four voltage grades). The working principle is as follows: the DC high voltage generated by the battery inside the machine as power supply and converted by DC/DC reaches the L pole from the E pole by the tested product so as to generate a current from E to L pole. After I/V conversion and operation by the divider the measured insulation resistance value is directly displayed by LCD. Product nicknameï¼?Digital megohmmeter megohmmeter digital megohmmeter digital display insulation sheet insulation resistance by megger tester high voltage insulation resistance tester insulation resistance meter insulation characteristics tester electric shake table digital wave table digital display table digital megohmmeter digital megohmmeter high voltage digital insulation resistance tester high voltage insulation resistance tester digital high voltage megohmmeter digital high voltage megohmmeter high Voltage digital megohm meter digital insulation meter digital display insulation meter electronic insulation resistance tester digital insulation resistance tester digital display insulation resistance tester digital display insulation resistance tester insulation resistance meter digital electric megohm meter digital high voltage megohm meter high voltage megohm meter.
