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
product features Product Characteristics
1 This Series Standard Current Transformer consists of primary winding Secondary winding composition
2 Check according to the standard current ratio indicated on the nameplate
3 This Series Standard Current Transformer can be used5/5or1/1The current is self-correcting
4 With casters for easy handling
Product Parameter Product Parameters
technical parameters
service conditions temperature 5+40
humidity 80%
The workplace should not have strong external electromagnetic fields unrelated to work
Allow long service at rated current
boundary dimension HL-22/23 370*170*440mm3
HL-32/33 330*190*430mm3
HL-53/62/63 /(HL-62C/63C 470*230*570mm3
weight HL-22/23 13kg
Product Introduction
Digital double clamp Phase voltammeter is a high-precision low-price hand-held double-channel input measurement instrument designed for voltage current and Phase measurement on site.Using this meter the phase between u-u i-i and u-i can be easily measured in the field the phase sequence of sensitive and capacitive circuits and three-phase voltage can be distinguished the wiring group of transformers can be detected the secondary circuit and bus differential protection system can be tested the phase relationship between CT of each differential protection group can be read out and the wiring of the electricity meter can be checked.The tongs current transformer is used to input the measured current so there is no need to disconnect the measured line.When measuring the phase between u1-u2 the two input circuits are completely insulated and isolated so it completely avoids the possible short-circuit of the measured circuit caused by wrong wiring and thus burns out the measuring instrument.The display screen USES high-contrast Liquid crystal display with words up to 25mm and The screen Angle can be freely converted to about 70�° to obtain better visual effects.
Digital double clamp Phase voltammeter enclosure USES engineering insulation materials another rubber vibration protection sleeve safe and reliable.
Product namesï¼?Phase meter double clamp Phase meter double clamp Phase voltammeter clamp forms a table clip-on Phase voltammeter Digital Phase double clamp Phase meter Digital double clamp table low-pressure volt-ampere Phase inspection table hand-held Digital double clamp Phase voltammeter double clamp type Digital Phase meter double clamp Digital Phase meter double clamp type volt-ampere Phase meter double clamp volt-ampere Phase table double clamp Phase meter Digital display double clamp Phase voltammeter
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Product Introduction
this instrument is specially used to test power grid waveform distortion voltage fluctuation and flicker harmonic content and unbalanced three-phase power quality problems such as high precision testing instruments; at the same time it also have the the functions of electric parameter test the vector analysis.
Product Characteristics
Can accurately measure voltage current active power reactive power frequency phase Angle power factor and other electrical parameters
It can display the measured voltage and current phasor diagram the users can know the device wiring correctly or not through the analysis of vector diagram .
The current is measured by using the clamp transformer.Because using clamp current transformer measurementthe operators do not need to disconnect current loop can be measured convenient and safety. It can be equipped with different range of clamps according to the user's measurement range.
It can measure and analysis the power quality from the utility grid to the client's use its measure and analysis frequency deviation voltage deviation voltage fluctuation and flicker unbalanced three-phase voltage allowed degrees and power grid harmonic.
Can display the single phase voltage and current waveform and can also show three phase voltage and current waveform. All tests have screen lock function interface to facilitate users to reading and analyze the data.
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.
HZ-3521 handheld meter field calibrator is a measurement of electrical parameters power meter calibration wiring judged as one of the high-precision test instrument.
Product Characteristics
3-phase energy meter calibrator introduction:
TKSX-3 handheld meter field calibrator is a measurement of electrical parameters power meter calibration wiring judged as one of the high-precision test instrument.
3-phase energy meter calibrator technical parameters:
Current measuring range: 0 ~ 5A built-in transformer into 5A (CT) files. Clamp transformer for the 5A (small pliers) 25A (small pliers) 100A (the clamp) 500A (the clamp) 400A (tongs) 2000A (tongs) six stalls. (Including medium and large Clamp Meter is optional)
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.
product brief introduction Product Introduction
HJ series standard voltage transformers are designed and manufactured for the actual needs of basic power supply and production departments.This product has the advantages of compact structure small size light weight easy to carry and easy to operate without maintenance etc. This product is especially suitable for field use and can also be used as standard voltage transformer and test transformer in laboratory.
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 320Ã??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
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.
Product Introduction
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.
Product Characteristics
1. With strong anti-electric field interference ability up to 2mA (50Hz), it is suitable for 500kV substation without dismantling wire to test insulation resistance of 500kV large-scale transformer.
2. The short-circuit current of test power> 5mA, maximum up to 15mA. Be suitable for testing high capacity and high inductance.
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 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.
1. The software is specially designed for DC system measurement
2. Adopts ARM DSP and 16 bit Flash memory
3. Touch panel simple operation
4. Can store review the testing results or upload data into PC
5. Module structure reliable running and reasonable design
6. Menu operation easy to use
7. Software can be upgraded via U disk
8. Data can be analyzed via DC system comprehensive analysis software installed in PC
9. large LCD display user-friendly interface
10. Full automation once set the parameters it automatically adjust AC voltage load loading resistance measure parameters record testing results and stop measuring
11. Real time on line test record single cell and battery bank voltage
12. RS232 and USB communication interface
13. Powerful data processing function: curve indication report generating accurate calculating
14. Protection function auto stop or manually stop measurement
15. Three phase digital control voltage regulator with high precision high stability
16. Module assembly structure small volume little weight easy for transporting or moving
Handheld SF6 Gas Product Introduction
We have more than 30 years of production experience recently launched a new generation of automatic intelligent leak detector.It is a stable and sensitive leak detector. We have fully considered the actual needs of the majority of users.At the same time we apply our rich technology and experience to this product so that users can enjoy excellent performance and price ratio.
The high-tech central microprocessing unit is the core of sf6 gas qualitative leak detector. Its digital signal processing ability can better manage the circuit and process the detection signal. Due to the large number of integrated circuits the number of components in the circuit is reduced by 40% which greatly improves the reliability and efficiency. The microprocessor can monitor the probe and battery voltage at the rate of 4000 times per second. Even the tiniest signal can be captured. It can work stably and reliably in any environment.
The sf6 gas qualitative leak detector has added some convenient functions. The seven-level sensitivity increases the sensitivity by 64 times. The three-color leds indicate the degree of leakage in a wide range in a progressive manner and are also used to display sensitivity levels and battery power.Touch keyboard for all operations. Avant-garde long and thin shape design greatly facilitates users to use and maintain. It is very convenient to use the indicator light in the direct range.
