Offers to Sell

10 Pack/20 Pack/40 Pack Universal CPAP Filter For Air Sense 10, Air Curve 10, Air Start, Series CPAP Machines, CPAP Supplies & Accessories - Disposable CPAP Filters - CPAP Replacement Filters

Minimum Order: 10 long tons

Compatible: Compatible for sc2 machines, the same quality as the original. Easy to Install: You don't need to disassemble your device, and just easily replace old filters with the new ones. Package Content: This part includes 4 replacement filter cartridge and 4 check valve assembly. Recommend: It is advised to replace the filter and valve every 6 months.

Minimum Order: 10 long tons

Compatible:CPAP filter kits Compatible with The Respironics DreamStation 2  DUST FILTERING: CPAP filter kits with the exact fit and great filtration efficiency. you can rest assure you're filtering the air coming in exactly as intended.Our reusable foam pollen filters made of blended synthetic fibers in carrier. Disposable ultra-fine filters made of polyester fibers in a carrier. The pollen filter is designed to filter out dust and pollen. The ultra-fine filter, on the other hand, is meant to filter out smaller particles and unwanted odors. PROTECTION: Changing CPAP filters regularly ensures clean air which is essential for your equipment to remain in solid working order for many years. These kits ensure your device delivers good-quality air so you can breathe better while you're sleeping. The filters keep dust and dirt away from your machine, which can protect your health and make your device work wonders to add years to your life. ENSURE CLEAN AIR: Each filter is designed to block more fine particles and large particulate matter, so as to protect you and your machine and provide the cleanest air to maintain the health of your lungs and Improves quality of your sleep. HOW TO INSTALL: To install an ultra-fine filter in your DreamStation 2, slide the foam pollen filter out of the machine, securely snap the ultra-fine filter onto the base of the foam pollen filter, and insert them both back into the device. 

Minimum Order: 10 long tons

The wedge wire screen nozzle can be fixed on the filtering equipment for the filteration of water petrol resin and other medium. And the high-quality stainless steel 904L water strainer is commonly used in the methyl ethyl ketone unit which is thekey component of the core equipment in refining and chemical enterprises. It has a wide range of applications in water treatment applications. The different wedge wire sizes and slot sizes can suit different class filtration. Thier specification and quantity will vary depending on application and customer-flow requirements. The wedge wire screen nozzle materials can use stainless steel 304, 304L, stainless steel 316, 316L, 904L,etc. And the high-quality stainless steel 904L water strainer is commonly used in the methyl ethyl ketone unit which is thekey component of the core equipment in refining and chemical enterprises.

Minimum Order: 1 bags

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