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You selected inventions in category Electrical Engineering

  • desktop model with high power radio jamming systemer  remotecontrol gps jammerCPJX6105UAVdesktop model with high power radio jamming...
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      This is one of our the best desktop models with with high power to jamm most of famous brands quadcopters and drones that use 2.4Ghz GPS L1 L2 and advanced long range remote controls on 434MHz, 868Mhz and 912MHz

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    • Generator Rotor AC Impedance TesterGenerator Rotor AC Impedance Tester
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        ZC-401 generator rotor AC impedance tester is our company launched the latest enhancement type AC impedance test instrument, the instrument using today's most advanced high-speed microprocessor technology, more powerful, performance is more superior, more convenient to use. The features of it are high reliability, simple operation, high test precision, compact and light, etc. At present in the domestic leading level.

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      • CTPT  AnalyzerCTPT Analyzer
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          Product Introduction
          ZCCTP-1000 CT/PT Analyzer is designed for analyzing current transformers and voltage transformers of protection or measurement use, which is suitable for laboratory and on-site test.

          Alternative Name
          CT Tester

          Product Features
          1.5.7inch LCD screen display.
          2.Full functions, satisfy all kinds of CT(protection CT, measuring CT, TP) test requirements, such as excitation characteristic test, turn ratio, polarity, secondary winding resistance, secondary burden, ratio error, angular difference and etc. Also it can be used to test excitation characteristic, turn ratio, polarity, secondary winding resistance,ratio error, angular difference and etc all kinds of PT.
          3.More efficient to test CT, no need to use standard CT, primary current injection device, load case, voltage regulation control and high current lead to verify the CT.
          4.Meets IEC60044-1, IEC60044-6 standards of all kinds of CT/PT.
          5.Accurately measure ratio error and angular error. Max. Ratio error ±0.05% is permitted. Max. Angular error ±2min if permitted. It can measure 0.2S class CT and turns ratio range is 1-35000.
          6.Auto test CT/PT parameters on knee point voltage/current, 5% and 10% deviation curve measurement, Accuracy limit factor (ALF), safety factor (FS), second time constants (Ts), residual magnetism factor(Kr), saturated and unsaturated inductance.
          7.Using variable frequency method to test VA curves and 10% error curve of CT/TP. Max. Output is 180V and 5A rms(15A peak value), but it can make CT test when keen point is up to 60kV.
          8.Easy to use. To test CT DC resistance, excitation and polarity only by one button. All CT tests adopt same one connect method except load test.
          9.Storage 1000 groups data, data can be saved even power down. Equipped with micro printer to print test result after testing completed.
          10.est results can be download by USB disk.
          11.Small size, weight is no more than 10kg, suitable for on-site use.

          Specific need to negotiate price, product display prices are for reference only.
          具体价格需要商议,产品显示价格仅供参考


          Product Parameters
          Output 0~ 18 0V rms , 5 A rms , 15 A (peak   value)
          Voltage measurement accuracy ±0. 05 %
          CT turns ratio measurement Range 1~ 30 000
          Accuracy ±0. 2 %
          PT turns ratio measurement Range 1~ 3 0 000
          Accuracy ±0. 2 %
          Phase measurement Accuracy ± 5 min
          Resolution 0. 5 min
          Secondary winding resistance measurement Range 0~ 30 0Ω
          Accuracy 2 %± 2 mΩ
          AC load measurement Range 0~300VA
          Accuracy 2 %± 0.2VA
          Power input AC220V± 1 0% , 50H z
          Operation environment Temperature: -10 ο C~50 ο C
          Humidity: ≤90%
          Size&Weight Dimension: 3 65 mm× 29 0 mm×15 3 mm Weight:   < 10 kg
           

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        • CTPT Volt-Ampere Characteristic TesterCTPT Volt-Ampere Characteristic Tester
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            Product Introduction
            ZC-102 Transformer comprehensive tester can measures of CT, I-V curve and curve, 5%, 10% error curve according to the polarity of the national standard, DC resistance, and ratio; direct measurement of voltage transformer turns ratio; qualitative measurement of voltage transformer ratio error and polarity; field measurements of the actual secondary load of current and voltage mutual inductor and so on.

            Product Features
            1.Only need to set the test voltage, current and step, the device will boost and describe the voltage current characteristic test curve automatically, save manual pressure regulation, artificial record, tracing curves, and so cumbersome labor. Quick, simple and convenient.
            2.Wiring is simple, simple wiring can test the entire PT, CT.
            3.Comprehensive functions, which can test the volt ampere characteristics of CT, ratio and polarity, CT 5% and 10% error curve, flow test, AC withstand voltage test.
            4.If the output voltage cannot meet the requirements of the single machine, we also can use external booster test.
            5.Instrument using 220V power input, avoid the risk of using 380V.
            6.Volt ampere characteristics test unit output voltage 0-2500V, the current 0-20A; the booster output voltage 0-4000V, current 0-1.5A, can do the volt ampere characteristics test of current 0-1.5A grade 1A.
            7.Large screen liquid crystal display, the test can be showed by the volt ampere curve directly, intuitive and convenient.
            8.With a miniature printer, the test data can be printed conveniently, the digital keyboard is adopted, and the digital input is convenient.
            9.With a large capacity memory, can store 1000 sets of test data will not lost when power off.
            10.Rs232 communication interface can be connected to the computer for testing, test data can be uploaded to the computer to edit and save.

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          • Transformer Ratio TesterTransformer Ratio Tester
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              Product Introduction
              This product applies to test the transformer ratio, group and polarity of the single/three phase transformer and voltage transformer. It is small volume, light weight, high precision, and good stability.

              Product Features
              1. The internal integrated amplitude of the instrument is stable and adjustable, the phase is constant, and the output current is large.
              2. The device can be used for testing various transformers, current transformers and voltage transformers, and is especially suitable for the test of the Z type winding transformer, the rectifier transformer and the balance transformer.
              3. The test precision is high, and the instrument adopts 16 bit high precision AD converter and DSP (digital signal processing) chip, which can ensure the accuracy of the measurement and the ability of anti disturbance.
              4. Measurement speed, a set of data test need a few seconds, in the multi - test process of the transformer only need set once the parameters can be completed all the sub - test, greatly improve the efficiency of work.
              5. According to the test sample, the instrument can automatically adjust the range, and according to the excitation current of the sample the output power can be adjusted automatically.
              6. The interior has a thermal protection, with automatic check wiring function.

              Product Parameters
              Environment condition: Temperature: -5 °C~50 °C
              Relative humidity <95%(25°C)
              Altitude <2500mm
              External interference: no special strong vibration, no special strong electromagnetic field
              Power supply 160VAC-280VAC,45Hz~55Hz
              Output range 20V gear: Voltage0~20V Current 0~10V
              50V gear: Voltage0!50V Current0~5A
              The ratio test range 1~4000
              Group test range 0~11
              Angle measurement range 0°~ 360° or - 180°~ 180°

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            • KeyTop Electric Kebab Knife Shawarma Slicer Gyros Cutter Doner Machine Meat ShaverKeyTop Electric Kebab Knife Shawarma Slicer Gyros...
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                Product Name:
                English: Kebab Slicer ; Kebab Knife ; Shawarma Knife ; Gyros Knife
                Deutsch: Dönermesser ; Gyrosmesser ; KebabMesser ; DönerSchneider 
                Français: Couteau à kebab ; Couteaux à Kebab

                Power: 80 W 
                Length Of Power Cord: 3 Meter 
                Blade Diameter: 100 MM 
                Cutting Depth: 0-8 MM(Can Be Adjusted) 
                Daily Cutting Capacity: 60 KG 
                N.W: 1.2 KG 
                Suitable For: All Kebab Machine, Shawarma Machine, Gyros Machine 

                Package Included 
                1 x Kebab Slicer 
                1 x One Extra Round Blade
                1 x Whetstone 
                1 x Manual 
                Packing: Brown box 

                Portable And Convenient; Easy To Use And Clean;
                Sold And Shipped From Manufacturer Directly; 

                Enjoy your kebab, Shawarma, Gyros with more convenient and more efficient way 
                The blade is super sharp, so it'll cut through lamb, chicken, any thing you like, with ease and finesse - and, as we also throw in a whet-stone, you can keep it that way for the blades lifetime. The device is kept safe with a practical blade Protector - and the handle has been ergonomically designed so that it fit's into the hand perfectly. We've designed our slicer so it's easy to clean and maintain - the blade can be removed using a simple locking screw 

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              • HOW TO choose right factory for plastic filmHOW TO choose right factory for plastic film
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                  SHANGHAI OKAY-PACKAGING Company Ltd. is a plastic packaging product manufacturer based in China. SHANGHAI REPRESENTATIVE OFFICE and Production base in Shandong Province. Our main products include our stretch film,bopp film,pet film,PE FILM,cling film, and other packaging film and packing machines. These are used in a wide range of industries including papermaking,ceramics, electronics, building materials, rubber, cable, chemical, cigarettes, food, carpet, timber, fodder, household appliances, and retail goods.

                  Our company has been well known in the production of plastic packaging products for over ten years. With vast experience in international business, our staff is skilled at all steps involved in exportation of products, from order receiving to product shipment. We have a professional team responsible for customs declaration. Due to our long term relationship with many transport companies, we can help our customers save international freight charge substantially.
                  Customer satisfaction is a priority. That is why we have established a testing department, which performs inspections on all our finished products. Only those that pass inspection are made available for distribution. We also create files for each client, so as to ensure that the quality of each batch of products is consistent with their requirements. With an annual output of 2,000 tons, we can fully meet the needs of all our customers both at home in China and abroad, in the United States, Canada, Australia, as well as countries and regions in Europe, Africa, and Southeast Asia. Because of our efforts, our products are widely recognized and popular with our valued clients.
                  We establish the prices of our plastic packaging products according to the international crude oil price trends and plastic raw material market fluctuations. In doing so, we try to give maximum profit to our clients. We also strictly manage the procurement process of our raw materials, utilizing well-known and reliable suppliers in order to ensure the high quality and low cost of our raw materials. Furthermore, the domestic source of our raw materials is just 150 km from our company, enabling us to greatly reduce logistics costs. We pass these savings on to our clients in the form of reduced prices.
                  Shanghai Okay Packaging Co., Ltd.is a leading supplier for Polyolefin (POF) Shrink Films, stretch film,cling film,PE film and corresponding Packing Machines like rewinder,labeller and shrinking machine in China.

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                • Ranpo Lighting Technology Co LtdRanpo Lighting Technology Co Ltd
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                    Ranpo Lighting Technology Co., Ltd, established in 2009, is a professional manufacturer and exporter who dedicates to research, manufacture and sales of LED lighting application products. Our factory(Sharp-Ray.,Ltd) located in Shenzhen City, Guangdong Province, China.
                    Our products ranges from high-power LED Ground Lights, LED Wall Lights, LED Spike Lights, LED Down lights, Flexible LED Strip Lights, LED Spotlights, LED Bulbs, and LED Tube Lights etc. Especially, our high power LED lights have been enjoying a very popular overseas market by the features of unique design, exquisite handwork, high quality and endurable, economical performance.
                    What sets us apart from others? Reliability and integrity. We can provide customers good quality products with professional service and technology support, good quality warranty, short delivery timescale and best after sell. we have been produce and sell our item on AMAZON , EBAY , ALIEXPRESS .LAZADA . WISH for Over 6 Years .We have CE and RoHs certificates. Our main customers come from Europe, America and Oceania countries, but also there are more and more customers from all over the world interested in our products. With high quality and competitive prices.
                    Ranpo Lighting makes your life sunny forever. We conform to the requirements of the time, engage in the making perfect habitation for human all over the world.

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