Top Liquid Level Meter Reviews

Protmex Sound Level Meter, 30-130dBA 30Hz-8KHz Decibel Meter with Large LCD Screen, Temperature and Humidity Measuring, A Weighting Mode, MAX/MIN, Fast/Slow, Data Hold, Backlight, Auto-Off Functions

【Affordable 3-in-1 Multifunctional Sound Level Meter】Our HT602A sound level meter is designed to the needs of the average consumer, with the functions most users need while eliminating unnecessary functions. A three-in-one noise meter with sound level, temperature, and humidity measurement functions, which can meet most of the consumers’ needs.
【Extra Large LCD Screen& Backlight Function】The Digital Sound Level Meter has a large, clear LCD backlight display that can clearly show the measurement. Turn on the backlight to get the reading easily during the night and reduce the damage to the eyes.
【Fast/Slow Time Weighted Selection Sound Meter】”FAST” mode response in 125 Milliseconds.
“SLOW” mode response in 1 second. +/-1.5dB Accuracy with 0.1dB Resolution. Frequency ranges from 30Hz to 8KHz.
【Max/Min/Data Hold Function Decibel Meter】The Protmex sound level meter is easy to know the MAX and MIN dB levels recorded by the meter.
the decibel reader and recorder can freeze the reading on the display without worrying that the reading is too fast to record.
【Wide Application Sound Decibel Meter】The decibel meter can be used in many environments and is also suitable for noise engineering, product quality control, health preventio....

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Refractometer Concentration Meter, Brix Refractometer, Brix Tester 0-90% for Liquid Sugar Test

Accurate measurement---In the measurement of our refractometer concentration meter, the refractive index is made according to the different refractive index of the liquid, which is small and accurate..
Simple operation---Our refractometer concentration meter has a simple and easy-to-understand operation method, which is convenient for your use. You can quickly get started and operate..
Wide application---This refractometer concentration meter is widely used, this refractometer is suitable for most liquid sugar testing. Can well meet your measurement needs..
Convenient to carry---our refractometer is easy to use, durable and small in size and light in weight, making it easy to carry around..
Practical and durable---As far as practicality is concerned, the high quality of this refractometer can maintain its high performance for a long time..

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CGOLDENWALL Turbine Flow Meter Digital Fuel Flowmeter with FNPT Inlet/Outlet, 1inch Flow Meter for Water Diesel Kerosene Gasoline, 2.5-26GPM /9-100LPM (1 inch)

FLOW METER: the 1 inch flow meter can read instantaneous flow rate, single cumulative flow and total cumulative flows. But it has minimum flow rate requirment, if the flow rate of the tested liquid is lower than 2.5 gal/min, the readings will be inaccurate..
TECHNICAL PARAMETERS：① diameter of water inlet: 32mm.
③ the flow speed requirenment for tested liquid: 2.5~26 gal/min.
⑥ max temp of tested liquid: 158°F/70°C.
MULTIPLE UNITS: the flow meter provide 4 meauring units for option, which are liter, gallon, pint and quart. The unit defaults to gallons, if the unit is not gallons, please refer to the user manual to change the unit to the needed one..
NOT WATER PROOF: the flow meter is not water proof, please keep the display from water during use, to avoid chip damage. We upgraded The flowmeter has been upgraded from never-sleep model to auto-sleep model, which automatically dims the screen when no liquid is flowing through it..
WIDE APPLICATION: The turbine flow meter can used for measuring the water, gasoline, diesel, kerosene, methanol and other low-corrosive, non-viscosity liquids. If there is any problem, please contact us in time..

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Digital PH Meter,Backlight PH Meter 0.01 High Accuracy Water Quality Tester,PH Range is 0-14,Suitable for Drinking Water Swimming Pool and Aquarium Water PH Tester Design,with ATC

...onductivity level of water (Conducts Electricity (EC)) also.
it means the dissolved minerals (ions) in water are what conduct the electricity. Finally, you will know the level of pollution and mineralization of water..
[Automatic temperature compensation] - There is no need to worry about the temperature of the test liquid affecting the measurement results, as both the pH meter and TDS meter have an automatic temperature compensation function that adjusts to the water temperature.
[pH tester] Full measurement range of pH 0 - 14, reliable and quick readings. How to calibrate pH pen - Press CAL key for 5 seconds to enter calibration mode, then press to select 6.86, 4.00, 9.18 corresponding powder to finish calibration, pH pen electrode is easily affected by the environment, if not used often, calibration before use will get accurate measurement results, regular use will keep the accuracy of measurement.
[Great for all home and laboratory] TDS & & EC and pH testing applications including drinking water, cooking water, aquariums, swimming pools, hydroponic, etc... Not necessary anymore to compare color strips. It's digital reality..

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Decibel Meter, LONVOX Digital Sound Level Meter with 30 to 130 dBA Measuring Range, Backlit LCD Display, MAX/MIN Noise Measurement, Data Hold, SPL Meter for Classroom, Noisy Neighbor, Office, Factory

[Broad Measuring Range & High Precision] – LONVOX Decibel Meter features a highly sensitive and precise condenser microphone that is capable to measure noise levels from 30 to 130 dB with an accuracy of ±1.5 dB. The dB meter is A-weighted, which is ideal for the measurement of environmental noise, such as traffic noise, baby room noise, classroom noise, home theater noise, industrial noise, and so forth. The sampling rate is 2 times per second, which is ideal for dB tests in various contexts..
[Backlit LCD Display & Versatile Uses] – LONVOX sound level meter features a large backlit LCD display with 4 digits and 0.1 dB resolution, ensuring readouts are clearly visible, and easy operation in a low-light environment. When sound levels exceed the setup value, the backlit display will keep flashing as a visual alarm. Maximum or minimum dB level can be assessed by the sound meter. The data hold function can freeze the current readout of sound measurement based on personal needs..
[Ergonomic & Lightweight Design] – The sound pressure level (SPL) meter is light in weight and compact in size, which is easy to carry. The lightweight design allows long-time operation with less muscle fatigue. The compact design ensures the noise meter fits into your hand ....

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Divolight [pH and TDS & EC Tester kit] pH Meter Digital Accuracy 0.01 Lab Pen Type and 3-in-1 TDS and EC Meter, PPM and µS Meter for Water, Practical Water Testing Kit pH and TDS EC Meter Combo

...onductivity level of water (Conducts Electricity (EC)) also.
it means the dissolved minerals (ions) in water are what conduct the electricity. Finally, you will know the level of pollution and mineralization of water..
[Automatic temperature compensation] - There is no need to worry about the temperature of the test liquid affecting the measurement results, as both the pH meter and TDS meter have an automatic temperature compensation function that adjusts to the water temperature.
[pH tester] Full measurement range of pH 0 - 14, reliable and quick readings. How to calibrate pH pen - Press CAL key for 5 seconds to enter calibration mode, then press to select 6.86, 4.00, 9.18 corresponding powder to finish calibration, pH pen electrode is easily affected by the environment, if not used often, calibration before use will get accurate measurement results, regular use will keep the accuracy of measurement.
[Great for all home and laboratory] TDS & & EC and pH testing applications including drinking water, cooking water, aquariums, swimming pools, hydroponic, etc... Not necessary anymore to compare color strips. It's digital reality..

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CGOLDENWALL Turbine Flow Meter Fuel Meter Digital Flowmeter with FNPT Thread, Flow Meter for Water Diesel Kerosene Gasoline, Flow Rate Range 2.5-26GPM (1 inch Flow Meter)

FLOW METER: Before use, please calibrate the flow meter with the liquid to be tested. And the flow rate of the liquid should exceed 2.5 gallons per minute, if the flow rate is too slow, the flow meter cannot measure normally. There is no battery included..
MULTI-FUNCTION DISPLAY: High-definition LCD display, can read single cumulative flow, instantaneous flow and total cumulative flow. The clear function can clear the value of cumulative flow, to make sure it is always within the measuring range. If your flow meter cannot work, please contact us in time..
HIGH-QUALITY MATERIALS: The aluminum alloy housing is sturdy, durable and corrosion-resistant, which have a long service time. The PCB circuit board make the battery have a long service life, and safe in use. Please NOTE: the LCD display is not water proof.
INSTALLATION: The flowmeter can be installed in horizontal and vertical directions, but the flow direction of the liquid needs to be consistent with the direction of the arrow on the flowmeter. There is no direction requirements for the installation of the display screen..
MEASURABLE LIQUIDS: The turbine flow meter can used for measuring the water, gasoline, diesel, kerosene, methanol and other low-corrosive, non-viscosity liquids..

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Industrial Flow Meter 1.64in Pipe Water Flowmeter Counter Hall Sensor Control Fluid Flowmeter Switch for Garden Irrigation YF‑DN32

Clear and Easy to Read: This water flows meter uses ABS plastic transparent panel, which is easy to read and clear at a glance.
High Precision Measurement: Liquid measuring tools have high measurement precision, with an accuracy of less than 4%, which is more accurate and reliable. You can buy with confidence.
Made of ABS Plastic Material: Our flowmeter floats are made of durable ABS plastic shell, which has a certain tolerance.
Wide Application Range: This universal tube flows meter is suitable for measuring various liquids. You can use it with confidence.
Tube Flows Meter: Our tube liquid flows meter has a plastic plane interface, which makes readings more convenient and intuitive.

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Extech Personal Noise Dosimeter and USB Interface with Sound Calibrator

Calibrates and verifies Sound Level Meter operation.
For use on Sound Level Meters with 0.5″ or 1.0″ microphones.
Measures frequency weighted noise exposure and peak (C, Z) sound level.
Datalog’s up to 999,999 readings when used as a sound level meter with sampling times between 1 second and 24 hours.
Sound level mode: displays sound level, min/max, time-averaged sound level (Leq), peak, and sound exposure level (SEL).
Adjustable Criterion Level, Exchange Rate and Threshold.

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Amprobe CO2-100 Handheld Carbon Dioxide Meter

Handheld digital meter measures ambient level of carbon dioxide (CO2) to monitor indoor air quality and performance of heating, ventilation, and air-conditioning systems.
Displays current CO2 levels, long-term average CO2 levels measured over an 8-hour period, and short-term average CO2 levels measured over a 15-minute period.
Alarm notifies operator when CO2 levels reach or exceed a preset threshold, CO2 measurement up to 9999 ppm.
Liquid crystal display (LCD) shows ambient CO2 levels, as well as air, wet bulb, or dew point temperature and humidity.
Manual calibration helps ensure accurate humidity and CO2 readings.

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Protmex Sound Level Meter, Dual Mode db Meter Decibel Meter Noise Level Meter 30-130dB Measure with Fast/Slow Selection, Backlight, Max and Data Hold Function, A/C Mode PT6708(Batteries Included)

【ACCURATE AND SENSITIVE SOUND METER】The Protmex SPL meter complies with International Committee IEC651 Type 2 and American National Standard ANSI S1.4 Type2. It has a 0.5s response time, can measure noise level, and quickly display accurate measurement results.Measuring Range 30~130dB.
+/-1.5dB Accuracy with 0.1dB Resolution. Frequency ranges from 30Hz to 8KHz..
【MAX/MIN/HOLD FUNCTION DECIBEL METER】The Protmex sound level meter with a data logger can record the current maximum or minimum decibel value.
the decibel reader and recorder can freeze the reading on the display without worrying that the reading is too fast to record..
【DIGITAL LCD DISPLAY & BACKLIGHT FUNCTION 】The Digital Sound Level Meter has a large clear LCD backlight display that can show the measurement clearly. Turn on the backlight to get the reading easily during the night and reduce the damage to the eyes..
【WIDELY APPLICATION SOUND DECIBEL METER】The decibel meter can be used in many environments and is also suitable for noise engineering, product quality control, health prevention, and treatment, etc. This audio noise measurement equipment is an excellent tool to check, monitor or control and test any environmental sound level. Widely applicable to individuals, famili....

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Starrett Master Precision Level, 199Z – 15\ Inch Machinery Leveling Tool with Cast Iron Base, 2 Vials Horizontal and Vertical, Graduated 10 Second Accuracy with Wooden Case

USED FOR: Levels are measuring tools to determine the true horizontal or vertical plane of a surface. This model has 2 liquid-filled vials - horizontal and vertical - with a bubble that moves when adjustments are made. When it settles, it indicates that a surface is horizontally or vertically straight..
ACCURATE READINGS: This precision level has a graduation of 1/2 thousandth (0.0005) of an inch per foot, or 0.04mm per meter with 10 second accuracy..
WOOD CASE: Comes with a finished wooden case for proper storage and portability..
7 GRADUATIONS: Level vials are positioned so breakage is reduced to a minimum. Main vials have seven graduations on each side of the bubble..
DURABLE: This machinist level has a strong, cast iron base for increased durability. Product comes with a one-year warranty..

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Digital pH Meter with ATC pH Tester, 3 in 1 pH TDS Temp 0.01 Resolution High Accuracy Pen Type Tester, Water Tester for Water, Wine, Spas and Aquariums

...e. Green Backlit LCD Design guarantees that you can read the measuring results in any condition. One-button lock reading function helps lock reading even if the pH Meter is taken out of the sample!.
【Automatic Temperature Compensation Digital pH Meter】No longer need to pay attention to the temperature of testing liquid, pH meter can accurately determine the pH value of the sample in the temperature range of 32°F-140°F(0°C-60°C), so as to solve the inaccurate problem caused by changing the liquid temperature..
【Pocket Size Water pH Tester】 You can use this small Pocket Size but powerful pH meter device to measure your aquarium, pool, pond in a garden, bath tub to test the levels of pH value. The digital ph meter can also be used to measure drinking water, RO System, spa, soap mixtures, food, wine, beer or any other liquids..

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