Best High frequency Positive Pressure Device

WZRYBHSD Remote Control Boat-RC Speedboat 30+Mph High Speed Racing Boat for Adults and Kids & Pools and Lakes,Low Battery Alarm,2.4 Ghz Electric RC Hovercraft Toy for Boys& Girls, Red

  • ...★When low power, the alarm indicates that when the battery voltage is insufficient, the speedboat will automatically speed up, and the remote control will issue an alert prompt. At this time, the speedboat will be returned. Speedboat and remote control double prompt low pressure warning.003c/br003e.
  • ★2.4GHz high frequency remote control system.
  • 2.4GHz ship high frequency wireless system, remote control distance reaches 150 meters, single single single frequency, suitable for many people's same competition.003c/br003e.
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CMTOOL Digital Manometer Gas Pressure Tester Manometer HVAC Tools with 12 Selectable Units Gas Pressure Test Kit Dual Port Differential Pressure Meter Digital Air Pressure Gauge with Large LCD Screen

  • 【High Measurement Accuracy】The digital manometer air and gas pressure tester adopts a high-quality pressure sensor, which has the characteristics....
  • 【Data Recording, Holding and Zero Function】The differential pressure gauge data storage: 100 groups.
  • the user-friendly design of the digital....
  • 【12 Selectable Units & Wide Range of Applications】12 optional units: mmHg, inHg, ftH₂O, cmH₂O, inH₂O, Pa, KPa, mbar, bar, psi, Kgcm² and....
  • 【Large LCD Screen & Automatic Power Off】4.45CM×4.95CM display, support LCD backlight, convenient lighting operation, display data clearer and....
  • 【Positive and Negative Pressure Measurement】There are two ports on the top of the manometer, one for testing positive pressure and the other for....
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ADC - 619TQ Adscope Lite 619 Ultra Lightweight Clinician Stethoscope with Tunable AFD Technology, Turquoise

  • INCREDIBLE ACOUSTICS: Extra-deep bell for unsurpassed low-frequency response, ultra-sensitive diaphragm for greater amplification and crisper high-frequency transmission. AFD technology further enhances acoustic response: use light pressure for low frequencies, firm pressure for high frequencies. Individually acoustic tested in the USA..
  • ULTRA LIGHTWEIGHT: Weighs just 3.7 oz (105 g) for the ultimate in wearing comfort. Overall length 30 inches..
  • COMPACT & COMFORTABLE: Clinician headset features silicone reinforcing yoke molded into flexible phthalate-free PVC tubing, aluminum alloy binaurals, and Adsoft Plus snap-on silicone eartips for the ultimate in wearing comfort and acoustic seal..
  • ACCESSORIES INCLUDED: 1 additional pair of Adsoft Plus eartips and a complimentary scope ID tag..
  • LIFETIME WARRANTY: Includes complimentary refurbishment and free parts forever..
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ADC - 619BK Adscope Lite 619 Ultra Lightweight Clinician Stethoscope with Tunable AFD Technology, Black

  • INCREDIBLE ACOUSTICS: Extra-deep bell for unsurpassed low-frequency response, ultra-sensitive diaphragm for greater amplification and crisper high-frequency transmission. AFD technology further enhances acoustic response: use light pressure for low frequencies, firm pressure for high frequencies. Individually acoustic tested in the USA..
  • ULTRA LIGHTWEIGHT: Weighs just 3.7 oz (105 g) for the ultimate in wearing comfort. Overall length 30 inches..
  • COMPACT & COMFORTABLE: Clinician headset features silicone reinforcing yoke molded into flexible phthalate-free PVC tubing, aluminum alloy binaurals, and Adsoft Plus snap-on silicone eartips for the ultimate in wearing comfort and acoustic seal..
  • ACCESSORIES INCLUDED: 1 additional pair of Adsoft Plus eartips and a complimentary scope ID tag..
  • LIFETIME WARRANTY: Includes complimentary refurbishment and free parts forever..
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ADC - 619ST Adscope Lite 619 Ultra Lightweight Clinician Stethoscope with Tunable AFD Technology Tactical

  • INCREDIBLE ACOUSTICS: Extra-deep bell for unsurpassed low-frequency response, ultra-sensitive diaphragm for greater amplification and crisper high-frequency transmission. AFD technology further enhances acoustic response: use light pressure for low frequencies, firm pressure for high frequencies. Individually acoustic tested in the USA..
  • ULTRA LIGHTWEIGHT: Weighs just 3.7 oz (105 g) for the ultimate in wearing comfort. Overall length 30 inches..
  • COMPACT & COMFORTABLE: Clinician headset features silicone reinforcing yoke molded into flexible phthalate-free PVC tubing, aluminum alloy binaurals, and Adsoft Plus snap-on silicone eartips for the ultimate in wearing comfort and acoustic seal..
  • ACCESSORIES INCLUDED: 1 additional pair of Adsoft Plus eartips and a complimentary scope ID tag..
  • LIFETIME WARRANTY: Includes complimentary refurbishment and free parts forever..
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ADC - 619FL Adscope Lite 619 Ultra Lightweight Clinician Stethoscope with Tunable AFD Technology Rose Quartz

  • INCREDIBLE ACOUSTICS: Extra-deep bell for unsurpassed low-frequency response, ultra-sensitive diaphragm for greater amplification and crisper high-frequency transmission. AFD technology further enhances acoustic response: use light pressure for low frequencies, firm pressure for high frequencies. Individually acoustic tested in the USA..
  • ULTRA LIGHTWEIGHT: Weighs just 3.7 oz (105 g) for the ultimate in wearing comfort. Overall length 30 inches..
  • COMPACT & COMFORTABLE: Clinician headset features silicone reinforcing yoke molded into flexible phthalate-free PVC tubing, aluminum alloy binaurals, and Adsoft Plus snap-on silicone eartips for the ultimate in wearing comfort and acoustic seal..
  • ACCESSORIES INCLUDED: 1 additional pair of Adsoft Plus eartips and a complimentary scope ID tag..
  • LIFETIME WARRANTY: Includes complimentary refurbishment and free parts forever..
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ADC - 619FG Adscope Lite 619 Ultra Lightweight Clinician Stethoscope with Tunable AFD Technology, Blue Diamond

  • INCREDIBLE ACOUSTICS: Extra-deep bell for unsurpassed low-frequency response, ultra-sensitive diaphragm for greater amplification and crisper high-frequency transmission. AFD technology further enhances acoustic response: use light pressure for low frequencies, firm pressure for high frequencies. Individually acoustic tested in the USA..
  • ULTRA LIGHTWEIGHT: Weighs just 3.7 oz (105 g) for the ultimate in wearing comfort. Overall length 30 inches..
  • COMPACT & COMFORTABLE: Clinician headset features silicone reinforcing yoke molded into flexible phthalate-free PVC tubing, aluminum alloy binaurals, and Adsoft Plus snap-on silicone eartips for the ultimate in wearing comfort and acoustic seal..
  • ACCESSORIES INCLUDED: 1 additional pair of Adsoft Plus eartips and a complimentary scope ID tag..
  • LIFETIME WARRANTY: Includes complimentary refurbishment and free parts forever..
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Argos EV432 E-Vac Replacement 4 L Polypropylene Bottle with Lid, 1.8 m Tubing

  • HLVP8 single-head high-precision series diaphragm air pump. Series connection flow ≥ 360L/H.
  • Parallel connection flow ≥ 480L/H, the service life of brush motor is 2000H, and the service life of brushless motor is 6000H..
  • Parallel negative pressure≥-0.072Mpa, series negative pressure≥-0.088Mpa, positive pressure≥0.1Mpa, noise≤68db..
  • Using EPDM high-quality diaphragm, it has good resistance to chemicals such as alcohol, acid, alkali, oxidizer, ketone and grease, and poor oil resistance. Good tolerance, dry running, durable, maintenance-free..
  • Principle: HLVP8 series of miniature diaphragm pumps are simply designed according to the principle of positive displacement pumps. By controlling the inlet and outlet of the diaphragm, a power drive is formed and the transmission mechanism pushes the piston to reciprocate, and the intake pressure pushes the diaphragm back and forth to do work to suck and discharge gas..
  • Application areas: transmission of gas, inflation, gas analysis, laboratory equipment, fixed objects, household DIY, etc..
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Dealmed General Exam Stethoscope – Professional Economy Dual-Head Medical Stethoscope with Lightweight Chestpiece, Flexible 32” Tubing & Comfort Eartips (Pink)

  • PROFESSIONAL DUAL-HEAD STETHOSCOPE – Dealmed’s General Exam Stethoscope checks patients’ blood pressure, listens to internal organs, performs auscultation of chest, lungs, heart, bowels & more..
  • OUTSTANDING ACOUSTIC RESPONSE – Combination diaphragm and bell deliver wide-frequency response whether you’re observing large areas of the body or small targeted regions through clothing or bandages..
  • DURABLE– Premium dual-headed device is constructed of durable, lightweight aluminum for excellent sound conduction, reliable pressure response & quick, easy maneuvering..
  • FLEXIBLE, LIGHTWEIGHT DESIGN – The high-quality headset hangs comfortably on the neck for hours. Each piece is optimized for ease of use..
  • 100% SATISFACTION GUARANTEED – Our confidence in our products come from our many years of experience in the medical field. We guarantee all our products with a 100% money-back guarantee..
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Kamoer HLVP15 Small Diaphragm Pump 12V Brushless Motor High Precision Long Life air Pump high Flow Vacuum Pump 16L/min (Type B(Parallel Connection))

  • Type B (high flow): voltage: 12V, flow: 16L/min, negative pressure: 68KPa, positive pressure: 0.16MPa, noise: 70Db, power: 10W.
  • Fluid medium: air, general gas. Working environment: temperature range 0℃~50℃.
  • relative humidity 003c80%, brushless motor, diaphragm pump life 8000H, diaphragm material: EPDM.
  • High negative pressure, large flow, long life, continuous test motor life up to 8000H (long-term locked rotor is not recommended under positive pressure)..
  • Application: gas detection, laboratory experiment, gas collection, factory industry, etc..
  • HLVP15 uses high-performance brushless motors and high-quality engineering plastics, the product performance is stable and reliable, does not require routine maintenance, and has a long service life. The valve upper plate of HLVP15 has three models to choose from, and the direction of the air outlet can be freely changed up, down, left, and right. Customers can realize personalized customization according to their actual needs..
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