Best Ultrasonic Flow Meters

Amiarc Portable Electric Drill Pump, Self Priming Water Transfer Pump Hand Drill Driven Pump Small Household Pump with Two Connectors Centrifugal Pump for Transfer Oil, Fluid Diesel, Kerosene

Large flow - Stable performance and high efficiency. The recommended speed of our drill pump is 1500-3500 rpm. The pump head and flow are related to the speed. The higher the speed, the higher the head and flow. 1500 rpm, the pump head is about 1.5 meters, the flow is about 15L per minute. 3000 rpm, the pump head is about 3 meters, and the flow rate is about 30L per minute..
Wide Application - Works great with most electric hand drills , Just connect water pipe with hose clamp and insert the electric drill to use the water transfer pump. Electric drill pump is suitable for transporting light liquids such as water, oil, diesel, liquid fertilizers, etc., and can also be used for car cleaning, gardens, lawn watering, pumping and drainage, etc..

4 TIMER FUNCTION- 1 hour, 3 hours, and 6 hours and ON. You could set 1H for Yoga, 3H for reading, 6 hours for work and ON for sleeping (whatever you want). Select a suitable timer mode and create a calming and relaxing environment. Enjoy your time, it automatically stops when it reaches a certain time..
ULTRASONIC TECHNOLOGY DIFFUSER & HUMIDIFIER：Atomize pure water of the essential oil through ultrasonic technology, allowing the aroma to float in the air, soothing your mood, relieving stress, helping to sleep, and moisturizing the air. Your room will be full of fragrance with several drops of oil into the water, which can alleviate your daily fatigue and ensure you a better sleep. Perfect for bedroom, study, office, living room, bedroom, yoga, SPA, conference room, baby room, etc..
LASTING ALL DAY: 550ml water capacity (enlarged water capacity with size unchanged) provides up to 15 hours running time continuously with no effort to refill. With large water tank, you are advised to add 10-15 drops of essential oils. This diffusers for essential oils is perfect for purifying air and creating a healthy and restful home environment or work area..
WHISPER-QUIET AND AUTO-OFF - Adopted ultrasonic technology, this aroma diffuser is ultra quiet whe....

Turn your ordinary drawings into 3D works of art.
Stepless speed slider lets you regulate flow for optimal control of material while you're drawing.
New: ultrasonic sealed nozzle is nearly clog-proof and provides market leading durability.
The Super 3D Printing Pen is great for kids, artists and engineers of all ages.
Kit includes 3 colors of ABS plastic filament A/C adapter and slim, ergonomic touch pen with 1 year limited warranty.

Turn your ordinary drawings into 3D works of art.
Stepless speed slider lets you regulate flow for optimal control of material while you're drawing.
New: ultrasonic sealed nozzle is nearly clog-proof and provides market leading durability.
The Super 3D Printing Pen is great for kids, artists and engineers of all ages.
Kit includes 3 colors of ABS plastic filament A/C adapter and slim, ergonomic touch pen with 1 year limited warranty.

Easily detects any gas that generates ultrasonic sound during flow, including vacuum leaks.
Capable of detecting leaks equivalent to 1.5 oz/year of refrigerant.
Audio output - 0 Hz to 4 kHz natural sound conversion.

Turn your ordinary drawings into 3D works of art.
Stepless speed slider lets you regulate flow for optimal control of material while you're drawing.
New: ultrasonic sealed nozzle is nearly clog-proof and provides market leading durability.
The Super 3D Printing Pen is great for kids, artists and engineers of all ages.
Kit includes 3 colors of ABS plastic filament A/C adapter and slim, ergonomic touch pen with 1 year limited warranty.

Battery drive, built-in 2000mAh polymer battery, can be moved to any place you need.
It only atomizes pure essential oils, does not need water, does not need heating, adopts the principle of high-pressure air atomization, does not....
Thorough atomization, the essential oil mist produced will flow with the air, will not fall, and there will be no residual droplets on the surface of....
Super quiet, the noise generated during work is less than the sound of water flow produced by an ultrasonic humidifier, and will not affect your sleep.
The light can be turned off, different working modes can be selected through the buzzer, 3 working modes are built-in, and it can be automatically....

No blade cooling fan, no touch screen damage, 360° annular air outlet design, no operation for 5 minutes, automatic screen cut, remote control with remote control.
This product adopts low-noise design, 8 hours timing, reaches the set time, automatically shuts down, you can enjoy a quiet and comfortable night..
Three kinds of wind speed prompts, three kinds of comfortable wind types are optional, the air outlet can automatically reverse when encountering obstacles, and the wind speed can reach 9 meters..
Effective filtration to prevent secondary pollution. When blowing out cold air, it can be filtered through filters and plant fiber evaporators. It's easy to disassemble, easy to clean, and always has fresh air..
The wind speed of the cross-flow fan can reach 9 meters: the high-quality submerged volute air duct structure, the cross-flow fan sends the air to the ring. Narrow air outlet makes air pressure more uniform, diffused air outlet avoids physical discomfort caused by direct blowing.

【ADJUSTABLE FREQUENCIES】Different dogs respond to different frequencies. Our dog training whistle has a nut and screw that would adjust the....
【EASY DOG TRAINING】This is a great tool for you to teach your dog obedience and to learn basic skills. Train your dog with the ultrasonic whistle....
【EFFECTIVE DOG TRAINING】Your pet can hear the dog whistle up to 25 meters away even if they can't see you! Train your dog with different commands....
【ANTI-LOSS WHISTLE】The dog whistle body is crafted with stainless steel coated with a protective lid to prevent dirt, damage, and accidental loss.....
【NOTE】Please note that this puppy training whistle wouldn't make your dog understand your instructions immediately. It requires multiple training....

Easily detects any gas that generates ultrasonic sound during flow, including vacuum leaks.
Capable of detecting leaks equivalent to 1.5 oz/year of refrigerant.
Audio output - 0 Hz to 4 kHz natural sound conversion.