Best Metering Diaphragm

3M Littmann 2141 Master Classic II Stethoscope, Black, 27 inch

  • Award winning ergonomic design and excellent acoustic sensitivity deliver comfort and reliable diagnostic performance.
  • Tunable diaphragm responds with a simple pressure change to capture low and high-frequency sounds.
  • Anatomically designed headset is angled to meet the path of the ear canal.
  • Non-chill rim and diaphragm offers welcome patient comfort.Diaphragm Diameter 1.75 Inch Diaphragm Diameter (metric) 1.73 inches.
  • Latex free materials for allergy sensitive users.
  • Headset Material: Wide diameter aerospace alloy / Anodized aluminum.
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Diaphragm Water Pump, 280 3V Mini Air Peristaltic Pump, DC Water Pump for Pumping Environments

  • USE OCCASIONS: The mini diaphragm water pump is mainly used in pumping environments, which can be used in household appliances, models, aquarium equipment, etc..
  • SPECIFICATIONS: The inlet and outlet of mini diaphragm water pump are all fixed calibers, the outer diameter of the water inlet is 7mm, and the outer diameter of the water outlet is 4mm, which is very convenient for installation..
  • MATERIAL: The material of mini diaphragm water pump is very high quality, so the product has high durability and long service life..
  • STABILITY: The mini diaphragm water pump has excellent performance, small size, easy to carry, stable operation, and is a good choice..
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Fafco 820-FAFCO 4 X 10 Foot SunSaver Solar Powered Panel Pool Efficient Heating System with Patented Metering System and Flow Chamber

  • SOLAR HEATING: Easily heat up your above-ground swimming pool with environmentally-friendly solar panel.
  • CONSISTENT HEATING: Eliminates hot and cold spots with a patented metering system for consistent heating throughout.
  • MAXIMIZE CIRCULATION: Flow chamber and flow metering holes between header pipes and collector tubes maximize circulation and heating efficiency.
  • SAVE MONEY: Save on pool heating cost as environmentally-friendly heating panel takes the unnecessary strain off your pool pump.
  • VERSATILE INSTALLATION: Includes 1 4-foot-wide by 10-foot-long Solar Pool heating system that can be mounted on the roof or on the ground.
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Sony Black DSC-H300/B Digital Camera with 20.1 Megapixels (Open Box)

  • Advanced 24.2MP BSI full frame Image Sensor w/ 1.8X readout speed.
  • 15 stop dynamic range, 14 bit uncompressed RAW, ISO 50 to 204,800. Compatible with Sony E mount lenses. Can be connected via Bluetooth with smartphones featuring (as of the date of release)- Android (Android 5.0 or later, Bluetooth 4.0 or later), iOS (Bluetooth 4.0 or later).
  • Up to 10fps silent or mechanical shutter with AE/AF tracking. Battery life (Still Images): Approx. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor), battery life (Movie, continuous recording): Approx. 200 min (Viewfinder) / Approx. 210 min (LCD monitor).
  • 693 phase detection / 425 contrast AF points w/ 93 percent image coverage. Focus sensor: Exmor R CMOS sensor.
  • In the box: Rechargeable battery (NP FZ100), AC adapter (AC UUD12), shoulder strap, body cap, Accessory shoe cap, Eyepiece cup, Micro USB cable. Metering type: 1200 zone evaluative metering.
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Sony WM-Port/USB Cable for Walkman | WMC-NW20MU

  • Advanced 24.2MP BSI full frame Image Sensor w/ 1.8X readout speed.
  • 15 stop dynamic range, 14 bit uncompressed RAW, ISO 50 to 204,800. Compatible with Sony E mount lenses. Can be connected via Bluetooth with smartphones featuring (as of the date of release)- Android (Android 5.0 or later, Bluetooth 4.0 or later), iOS (Bluetooth 4.0 or later).
  • Up to 10fps silent or mechanical shutter with AE/AF tracking. Battery life (Still Images): Approx. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor), battery life (Movie, continuous recording): Approx. 200 min (Viewfinder) / Approx. 210 min (LCD monitor).
  • 693 phase detection / 425 contrast AF points w/ 93 percent image coverage. Focus sensor: Exmor R CMOS sensor.
  • In the box: Rechargeable battery (NP FZ100), AC adapter (AC UUD12), shoulder strap, body cap, Accessory shoe cap, Eyepiece cup, Micro USB cable. Metering type: 1200 zone evaluative metering.
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Makita EK7301X1 14' 73 cc Power Cutter with Diamond Blade

  • Improved decompression valve and metering spring for precise fuel regulation at start up..
  • Ignition coil with start-support function stores electrical energy with each pull for easier start ups.
  • On-Off-Choke operation switch on a single lever for operator convenience.
  • Five stage filtration system with advanced directional air flow, provides cleaner air for better saw performance.
  • Starter grip decompression valve for faster starting.
  • Carburetor engineered with improved deco-valve and metering spring for precise fuel regulation at start up.
  • Reinforced aluminum blade guard with 70 Degrees range of limitless positioning using a marked knob handle.
  • Cutting arm position simply changes from center position to flush outboard position allowing cuts directly adjacent to work.
  • New ignition coil with start-support function stores electrical energy with each pull for easier start ups.
  • Water kit is assembled to saw and can be used with garden hose, gravity tank or pressure tank.
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Nalge Nunc Polypropylene Vacuum Pump Aspirator, NALGENE 6140-0010 Aspirator Vacuum Pump PP/PE,

  • 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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Nikon COOLPIX L810 16.1 MP Digital Camera with 26x Zoom NIKKOR ED Glass Lens and 3-inch LCD (Black) (OLD MODEL)

  • 16.1 Megapixel CCD sensor,Connectivity: AV Output, HDMI C (Mini), USB 2.0.
  • 26x Zoom-Nikkor ED glass lens,Image Size (pixels): 4608 x 3456 (16M).
  • Top Continuous Shooting Speed at full resolution: Up to 4 shots at approx. 1.2 frames per second.
  • HD (720p) Movies with Stereo Sound,3-inch Ultra high resolution (921,000 dot) LCD.
  • Exposure Metering : 256-segment matrix, center-weighted.
  • 3-inch Ultra high resolution (921,000 dot) LCD.
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Sony Alpha a6400 Mirrorless Camera: Compact APS-C Interchangeable Lens Digital Camera - E Mount Compatible Cameras - ILCE-6400L/B (Renewed)

  • Next Gen speed: experience the world's fastest 0. 02 sec AF with real time AF and object tracking / Enhanced subject capture: wide 425 Phase/ 425 contrast detection points over 84% of the sensor.
  • Fast & accurate: up to 11Fps continuous shooting at 24.2 MP raw with crisp, clear natural colors.
  • Multiple movie functions: make time lapse movies or slow/quick motion videos without post processing.
  • Tiltable LCD screen: customizable for vlogging, still photography or recording a professional film.
  • In the box: rechargeable battery (NP-FW50) AC adaptor (ac-uud12), shoulder strap, body cap, accessory shoe cap, eyepiece cup, micro USB cable.Metering Type:1200 zone evaluative metering.
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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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