Reviews Meter Measurement

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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2 Pack pH Meter and TDS Meter, 0.05 pH High Accuracy Tester Pen, ± 2% Readout Accuracy Digital Water Quality Filter Pen, 0-9990ppm, Ideal Water Purity Test for Drinking Water, Aquariums, Hydroponics

  • 【pH Meter and TDS Meter】- Full measurement range of pH 0 - 14, reliable and quick readings. TDS Measurement Range: 0-9990ppm.
  • 【Quick Water Tester】- TDS (Total dissolved solids) digital water tester can accurately and quickly check the heavy metal content, soluble salt content, ionic organic matter, etc. in water, displayed on the screen in ppm (parts per million). extremely accurate and reliable, quick response within 3 seconds..
  • 【Accurate and Reliable】- To achieve high accuracy, TDS meter equipped with premium quality titanium alloy probe, pH tester has a sensitive electrode sensor ,simply press "ON", It only takes a few seconds for your result to appear on screen to read accurate pH levels..
  • 【Multifunctional and Upgraded】- Professional TDS, pH Pen. Upgraded with big LCD for easier reading, and hold-lock function for easier use. Just turn TDS meter on and stir water gently, then stabilized readings will be hold-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 5 minutes..
  • 【How to use calibration】- Press CAL for 5 seconds to enter the calibration mode, press in turn to select the p....
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MNJ MOTOR DC Battery Monitor Meter 0-200V 0-100A LCD Display Digital Current Multimeter Voltmeter Ammeter w/Current Shunt Wiring Kit Set for Cars RV Solar System

  • 1.Battery Monitor Meter 9 in 1 Measurement Functions : One interface displays 9 kinds of measurement parameters at the same time, including Voltage(0-200V), Current(0-100A), Power(0-20000W), Impedance( 0-1000Ω), Internal Resistance(0-999mΩ), Capacity(0-1000AH), SOC, Energy Consumption(0-9999kWh) and Running Time(0-999h).
  • 2.Better Visual Experience : LCD HD display, 360° viewing without dead angle, with backlight function, it is clearly visible whatever day or night. Through battery monitor meter, you can better monitor the real-time data of your battery and use it with more peace of mind..
  • 3. No Screw Installation : LCD display digital current multimeter adopts the installation design of the push-on terminal, it is easy and convenient to install and remove the wires without the screws.（Pls read the instructions carefully and strictly follow the wiring diagram before installation.）.
  • 4.Accurate Measurement : 100A DC battery monitor meter is controlled by a high precision chip,efficient and stable operation, safe and reliable welding process, measurement accuracy reaches 1%.
  • 5.Wide Application : Battery monitor meter wildly used in the automobile, solar system, industrial assembly line, trailer,RV&boat ect..
  • 6.MNJ Motor provides you 30-Days Money Back....
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VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified

  • Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools.
  • PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings.
  • 3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm.
  • Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F.
  • Lightweight, handheld design for portability and convenience.
  • Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers.
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Wood Moisture Meter for Firewood - Digital Moisture Meter for Wood Pin Type Wood Moisture Tester Water Leak Detector Dampness Tester Meter for Wood Building Material With Visual High-Medium-Low Alerts

  • ... same model? We prepared this moisture tester for you. Our products have been tested offline and have received rave feedbacks, so we boldly put them online for sale to provide you with high-quality wood humidity meter, helps you test the moisture content in your walls or wood materials accurately and quickly..
  • Two Measurement Modes with LOW-MID-HIGH MOISTURE CONTENT ALERTS Design - This moisture meter for firewood designed with WOOD and BUILDING modes could meet your any needs. After turn on the tool, press and hold down the button for about 3 seconds to enter Setting mode, then choose the desired measurement mode to begin your measure the moisture content on the wood or building materials,its HIGH-MID-LOW MOISTURE CONTENT ALERTS would tell you whether moisture of the material is high or low directly..
  • EASY TO READ AND USE - This digital wood moisture meter is designed with LCD screen, which reflects the moisture content of measurement quickly, tell you the accurate results and ensures clear readings when you measure the materials. Wide measuring range(Wood: 6%-60%, Building materials: 0-40%), strong stainless steel pins, lightweight and easy carrying. Our moisture meter wood is ideal for manufacturers, flooring installers, inspectors, or lumber su....
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Wood Moisture Meter for Firewood – Digital Moisture Meter for Wood Pin Type Wood Moisture Tester Water Leak Detector Dampness Tester Meter for Wood Building Material With Visual High-Medium-Low Alerts

  • ...et same model? We prepared this moisture tester for you. Our products have been tested offline and have received rave feedbacks, so we boldly put them online for sale to provide you with high-quality wood humidity meter, helps you test the moisture content in your walls or wood materials accurately and quickly..
  • Two Measurement Modes with LOW-MID-HIGH MOISTURE CONTENT ALERTS Design – This moisture meter for firewood designed with WOOD and BUILDING modes could meet your any needs. After turn on the tool, press and hold down the button for about 3 seconds to enter Setting mode, then choose the desired measurement mode to begin your measure the moisture content on the wood or building materials,its HIGH-MID-LOW MOISTURE CONTENT ALERTS would tell you whether moisture of the material is high or low directly..
  • EASY TO READ AND USE – This digital wood moisture meter is designed with LCD screen, which reflects the moisture content of measurement quickly, tell you the accurate results and ensures clear readings when you measure the materials. Wide measuring range(Wood: 6%-60%, Building materials: 0-40%), strong stainless steel pins, lightweight and easy carrying. Our moisture meter wood is ideal for manufacturers, flooring installers, inspectors, or lumber ....
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Digital Tachometer Handhled Non Contact Laser Tach Meter 2.5 to 99999 RPM Meter, Professional Replacement Tachometers with Reflection Tape Marks, Battery Included

  • Accurate RPM Meter: rotational speed measurement range is 2.5RPM-99999RPM, resolution ratio: 0.1 rpm, precision :±(0.1%n+5d)rpm. Adopt the lastest microprocessor and laser technology, ensure the tachometer more accuracy and intelligent.
  • Memory Function: laser tachometers can automatically record the maixumum value/ minimum value/ last measure value/ average value after shut down the instrument. Super easy to review the previously measured memory values.
  • User Friendly Design: This digital tachometer RPM Meter features large clear LCD backlight display for easy reading even in dark place, battery low power indication and auto shutdown after 60s. Tachometer comes with 3-peice reflective tapes more conveneint and easy to measurement.
  • Widely Application: The tach meter suit for measurement rotate speed, linear velocity or frequency of motor, impeller blades, expansion cylinder and spindle, capable of measuring range from 2.5RPM-99999RPM.
  • Durable Material: Tachometer shell is made of solid ABS plastic, optimized electronic elements to make the measurement value reliable. Compact size and lightweight easy to carry and operate.
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Hofun TDS Meter Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

  • ✔[ BONUS 3 in 1 Digital TDS Temperature & Conductivity Meter] Hofun 3 in 1 TDS, Electric Temperature & Conductivity Meter features the most advanced and updated technology. Three different measurement needs can be fulfilled by one digital water quality tester. Not only been convenient for you, but also saves your time and money, absolutely a helpful kit for your life..
  • ✔[ RELIABLE TDS METER -- ACCURATE & QUICK] Equipped with premium quality titanium alloy probe, Hofun TDS water quality tester enables quick and convenient test. Put the probe into water and LCD shows accurate results in seconds. In addition, advanced and reliable systerm ensures measurement accuracy, 0-9999 ppm, making it fits multiple usages, hydroponics meter，Ideal water testers for drinking water test, swimming pool, laboratory, aquarium, RO/DI Water etc..
  • ✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TESTER ] Hofun water quality test meter for hydroponics ec meter with Big Backlit LCD is far superior than other ones, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means high level ppm figure. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: Internatio....
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Battery Monitor, DROK Amp Volt Power Watt Meter DC 0-300V 200A STN LCD Display Panel Meter, Current Voltage Energy Capacity Ammeter Voltmeter Multimeter Gauge with Hall Sensor, 2.5m Shielded Wire

  • Multifunctional Meter ---- DROK multimeter panel measures percentage and AH of remaining battery capacity, DC positive and negative bidirectional current, DC voltage, DC power and DC accumulated electric energy. Voltage measurement range is DC 0-300V, current measurement range is 0-200A..
  • Hall Sensor & Easy Mount ---- The voltage amperage meter is equipped with a Hall transformer for isolated measurement, which is more reliable and safer. Both two-wire and three-wire connection are available, two wires for testing 5-90V, three wires for monitoring 0-300V. Much more convenient with the long 2.5m shielded wire..
  • STN LCD Screen ---- The backlight of this battery capacity monitor can be controlled to be ON or OFF at user’s need.
  • Equipped with full view STN LCD screen, users could see the display clearly whenever at night and day, indoor or outside, even under the sunshine..
  • Alarming Function ---- The tester will alarm and flash when the real voltage or current is higher or lower than preset alarming ones, or the remaining capacity of battery is low..
  • Wide Applications ---- Can be used as dc amp meter, digital volt meter, power meter, battery capacity monitor. Suitable for all kinds of batteries, such as Lead-acid batteries, Lithium Polymer batteries, lithi....
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