Offers to Sell

CPAP Pollen Filter Kit, Reusable CPAP Filters, Disposables Filter Compatible with Respironics Dream Station CPAP Machine, CPAP Filters Replacement Supplies

Minimum Order: 10 long tons

Product Description Hengfeng zinc oxide lightning arrester leakage current monitor can measure condition while a surge arrester is still in service, measuring the quality of the metal oxide blocks and helping manage the risk of failure. A surge arrester may be inexpensive, but it has an important role in protecting your transformers. With surge arrester test set, it takes less than 2 minutes to establish that your surge arresters are healthy and the transformer is still protected. It can measure the full current, resistive current and harmonics, power frequency reference voltage and harmonics, active power and phase difference. The real waveform of voltage and current can be displayed on the large color screen. It can accurately analyze the content of fundamental wave and third to seventh harmonics, overcome the influence of inter-phase interference, and correctly measure the resistive current of side-phase arrester. Features 1. Rated in accordance with IEC 60099-5 for field monitoring of metal oxide surge arresters 2.Portable, rechargeable battery-operated instrument for regular condition assessment of surge arresters. 3. 7 inch corlor touch screen with stylus pen. 4. High-precision sampling and processing circuit, advanced Fourier harmonic analysis technology to ensure more reliable data. 5.Adopt unique high-speed magnetic isolation digital sensor to directly collect the input voltage and current signals, which ensures the reliability and safety of the data. 6. Either single-phase test or three-phase measurement is available. 7. This MOA tester can use electric field induction instead of PT secondary wiring. 8. If the secondary voltage of PT is not connected, the instrument directly measures the resistive current. 9. In three - phase test, the instrument has automatic compensation function. 10. Three-phase voltage and three-phase current are collected and displayed at the same time. 11. It can directly measure the resistive current, also can use harmonic method to test the resistive current. 12. The test results show voltage, full current, and resistive current curves. 13. lightning arrester tester can automatically judge the aging degree of zinc oxide arrester. 14. Internal thermal printer 15. Zinc oxide lightning arrester characteristic tester can store 1000 sets of data in internal memory. 16. USB interface 17. RS232. 18. PC software is available.

Product Description Hengfeng DC hipot tester is also called dc dielectric test sets, it provide the most dependable, portable DC high voltage sources for checking the quality of electrical power cables, motors, switchgear, insulators, transformers and capacitors,which is suitable for electric power branch, power department of factories, scientific research units, railway, chemical industry, and power plants. Features 1. Large color touch screen with stylus pen  2. Real-time display voltage, current, test progress, and discharge process 3. Full range smooth voltage regulation 4. Automatic raise voltage/hold voltage/drop voltage/discharge 5. Automatic MOA test function 6. Over-voltage and over-current protection 7. Automatic memory with time/date 8. Built-in thermal printer 9. USB port 10. Powerful PC software Applications The DC high voltage test sets are used to make proof tests on electrical power cables, motors, switch gear, insulators, transformers and capacitors. Tests are performed by applying controlled high voltages to the unit under test at or above insulation system operating level. Measuring the leakage current helps determine the unit under test’s ability to withstand overvoltages such as lightning strikes and switching surges.

Product Description Hengfeng ground resistance tester is a high-precision test instrument used in various fields such as substations for testing grounding resistance and related parameters. The instrument has the characteristics of lightweight, small dimensions, convenient carrying, strong anti-interference performance and high accuracy. It is an integrated structure, built-in variable frequency power supply module, and the output power supply is continuously variable frequency adjustable. The frequency of 45-55Hz can be switched for measurement, and there are several groups of double frequency conversion for choice,and the built-in high-speed processor core adopts high-end digital filtering technology, which effectively avoids the interference of the power frequency electric field to the test, and fundamentally solves the problem of accurate measurement under strong electric field interference. A large number of on-site tests and user usage indicate that when the grounding grid is tested under the harsh electromagnetic environment of the running substation, the measured data of the grounding impedance tester of the special frequency ground network are accurate and repeatable. It is an ideal instrument for the measurement of the characteristic parameters of large and medium grounding grids. Ground Resistance Tester Features 1. HD color touch screen. The instrument is equipped with a high-end full-touch liquid crystal display, a large and full graphical operation interface, each process is very clear, and the operator can use it without additional professional training. The entire process can be measured with a single touch, making it an ideal smart measurement device. 2. Spare stylus pen. When the operators have dirt on their hands or dirt on the screen, the stylus pen can be used to operate the instrument. 3. Double frequency conversion,strong anti-interference ability. The instrument adopts the method of different frequency measurement, and with modern software and hardware filtering technology, the instrument has high anti-interference performance, and the test data is stable and reliable. 4. The precision of measurement is high. The basic error is only 0.005 Ω, which can be used to measure the earth network with very small earth impedance. 5. Powerful function. It can measure current stake, voltage stake, grounding grid impedance, grounding resistance, grounding conduction, soil resistivity, step voltage, touch voltage, potential gradient and so on. 6. Transmission tower vector shunt function.The instrument automatically subtracts the current that is transferred by the tower to calculate more accurate test results. 7. Built-in 1500 Ω imitate human body resistance, when testing step voltage ,users can get the real step voltage data and curve.(optional) 8. All English menu, easy to operate. 9. Simple wiring ,no high current cable is needed.

Hengfeng tan delta tester measures the capacitance and dissipation factor factor (tgδ) of high voltage electric equipment. 12KV high voltage is generated by internal transformer of the instrument, which is used for testing test object after transformer voltage rising. Capacitance and power supply can be externally connected if further testing is required. 12KV high voltage is generated by internal transformer of the instrument.. External standard capacitor and power supply can be  connected if further testing is required. In addition to the normal UST and GST test modes, HengFeng dissipation factor tester has more modes : CVT, GSTg, CVT Ratio, 4-Channel… Features 1. Digital backlit LCD screen. 2. Multiple automatic double vairable frequency , which can effectively resist the frequency interference of test site and ensure the accuracy and stablity of test results. 3. UST+GST+CVT+ GSTg+ CVT ratio + polarity+phase difference+4 channels 4. 4-channel function, measuring four test object in a single test 5. Reserve the interface for external standard capacitor and external transformer 6. Internal memory with time/date stamp 7. Internalthermal printer 8. USB port for export test data to USB flash drive. Application Capacitance and Tan Delta Tester is a very basic method in the insulation test, which can effectively find the overall moisture deterioration and deterioration of electrical equipment insulation, as well as partial defects. It is widely used in dielectric loss measurement of transformers, bushings, capacitors, surge arresters and other equipment in the power ind

Highly accurate loss angle tangent/power factor measurement equipment is used to measure very low dielectric losses in high voltage equipment. Loss Angle Tangent/Power Factor is an accurate and non-destructive method of providing important information about the degree of deterioration of an insulation system. Tests are performed during regular maintenance and inspection of high voltage equipment such as power transformers, transformers, bushings, capacitors, motors, generators, power cables, and other high voltage equipment. Hengfeng capacitance and tan delta tester measures the capacitance and dielectric loss factor (tgδ) of high voltage electric equipment. Features 1. 7" high resolution color touch screen. 3. Multiple automatic double vairable frequency , which can effectively resist the frequency interference of test site and ensure the accuracy and stablity of test results. 3. UST+GST+CVT+ GSTg+ CVT ratio + polarity+phase difference+4 channels 4. 4-channel function, measuring four test object in a single test 5. Reserve the interface for external standard capacitor and external transformer 6. Internal memory with time/date stamp 7. Internalthermal printer 8. USB port for export test data to USB flash drive.

Introducing our 28kW Wheeled Generator, crafted by a trusted manufacturer for reliable power on the move. Operates at 50Hz, fueled by gasoline, and equipped with a self-excited AVR, 100% copper coil, and a brushless alternator. The water- cooled system and robust 4-cylinder, 4-stroke engine ensure efficient and stable performance. With wheels for enhanced mobility, this generator is a versatile and dependable solution for various applications requiring on-the-go power.If you would like to obtain more information, please visit our website...

Minimum Order: 1 bags

Introducing our Containerized Perkins Powered Diesel Generator, delivering a prime power of 640kW (800kVA) at a frequency of 50Hz. Equipped with a reliable 4- stroke, 6-cylinder engine, this generator ensures efficient performance. Trust in our generator for reliable and robust power supply in various applications.If you would like to obtain more information, please visit our website...

Minimum Order: 1 bags

Introducing our silent type diesel generator, supplying 64 kW (80 kVA) of power. Powered by a 4-stroke, 4-cylinder Perkins 1104A-44TG2 engine and equipped with a Leroy Somer TAL-A44-C alternator, this generator operates at a noise level of 70 dBA at 7 meters. Trust in our generator for quiet and reliable power supply in various settings.If you would like to obtain more information, please visit our website...

Minimum Order: 1 bags

Presenting a top-of-the-line 4 Stroke Natural Gas Generator crafted to deliver remarkable performance, boasting a rated power of 1000kW and 1250kVA. This powerhouse is driven by the formidable Perkins 4016-61TRS2 Engine, featuring 16 cylinders of raw energy. Paired with the reliable Stamford S6L1D-G4 Alternator, this generator promises unmatched reliability and efficiency for your most demanding power needs.If you would like to obtain more information, please visit our website...

Minimum Order: 1 bags

Introducing our versatile 3-phase diesel generator, featuring a Perkins 404D-22TG engine, offering a prime power of 20 kW and 25 kVA. With its robust 4-cylinder, 4-stroke design and Stamford PI144E alternator, this generator provides reliable performance for various applications. Designed for efficiency and durability, it's an ideal choice for your power generation needs.If you would like to obtain more information, please visit our website...

Minimum Order: 1 bags

Owing to our rich industry experience, we are engaged in supplying and exporting Raw and Processed Cashew Nuts, which are sourced from our reliable vendors. Our offered range is widely used in cooking food items, confectionary and sweets. Moreover, these can also be consumed raw, especially in winters to warm up the body. Clients can avail these in small and big pack sizes as per their requirements and specifications. Origin: Tanzania Commodity: Raw Processed and Unprocessed Cashew Nut Grades: W180, W210, W240,W320, and other assorted grades edible Nut Count: 150 to 180 Out Turn: 50-52lbs Crop Year: 2020/2021 Moisture: 4-4.5% Max Broken Pieces: 4% Extraneous Matter: 0.5% max Defective Ratio: 0.5% max These nuts are highly appreciated by our customers for its premium taste not only in India who are our main and best buyers but also in Indian Subcontinent and in most countries all over the world we are therefore seeking to expand our market out of Africa and Asia as a whole, Cashew Nut buyers should contact us for the best quality cashew nuts all over the world. If you have any further requirement, please do not hesitate to contact us. Your early response will be highly appreciated. Packaging Detail: Bags of 50kg, 80kg or 20kg Tins Small Package: According To Customer Requirement. For more details, kindly contact me via Whatsapp.

Minimum Order: 100

We currently have 3000 MT of electrolytic copper cathodes grade A, ASTM B115/00. The Cu is in Dar es salaam (Tanzania) ready for inspection, customs clearance and export. We seek reliable buyers who can enter long- term contracts with us for regular deliveries. Our price is 5500 USD per MT. Dimensions: 914mm x 914mm x 12mm Weight: 2 mts (+/- 1%) Place of Origin: Congo and Zambia Model Number: CU Cu (Min): 99.99%

Minimum Order: 100

We have copper wire scrap in Large quantity we are ready and able to supply 2000Mt a month and more. our copper wire scrap is 99.78% pure. quality brass wire Wire diameter: 0.30mm, 0.25mm, 0.20mm Weight/ spool: 3 kg, 5 kg, 7 kg, 15 kg, 20kg Tensile strength: 1000 N/ mm2, 900 N/ mm2, 500 N/ mm2, 450 N/ mm2, N/ mm2 Packing: shrink wrapped+ carton+ pallet to resist moisture, quake, and corrosion. Application: used on low speed wire cutting machines like Agie- charmilles, Sodick, Mitsubishi and Makino. Usage: Electrical, light industry, machinery, building industry, national defense industry Copper Scrap is industry a important sources of the raw materials All kinds of can be recycled Recycling waste production with copper specification: Copper WIRE SCRAP, ( Millberry) 99.78% at a purity of 99.78% min. 99.78% Max. COPPER: 99, 9% CARBON: 0.03% COBLET: <0, 001 IRON: 0, 005% PHOSPHORUS: <0, 01% SULPHUR: <0, 01% ZINC: 0, 003% we offer the best copper wire at a very affordable price. copper wire scrap are ready for shipment, contact us with your order and we shall deliver your copper. Please do contact for more details via Tel & Whatsapp: +255 758 646 555

Minimum Order: 1000