ReviewsDigital Lens Meter

PH and TDS Meter Combo, Tuecota Digital ph Water Tester, 3-in-1 TDS Temperature & EC Meter, Digital Water Tester, Ultrahigh Accuracy Water Quality Tester for Drinking Water, Hydroponics, Aquarium etc

...ck and Accurate】: PH Meter and TDS Meter, respectively adopt low impedance sensitive bulb and agile titanium alloy electrode respectively. Remove the protective cover, press the switch button, immerse the probe of the pH Meter/TDS Meter in the solution, and you can get the reading immediately..
【pH Meter】: The digital ph tester has automatic temperature compensation function and Automatic Calibration function, make the measurement data not affected by the water temperature, and make it easy for you to calibrate..
【TDS & EC Meter】: The Digital TDS & EC Tester has automatic temperature compensation function, Auto-off and Hold Function. The digital water tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording..
【Wide Use】: The lightweight and portable size of the water meter Combo allows you to easily carry it with you, and measure it anytime, anywhere. Test the purity of drinking water to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients) and pool etc. It is very suitable for scientific experiments in children's schools, ....

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KAKOOTI Multimeter Test Leads Kit，2PCS Test Probes 1000V 20A 4PCS Silicone Alligator Clips Test, Multimeter Alligator Clips Set for Fluke/AstroAI/INNOVA/KAIWEETS Digital multimeter Clamp Meter

✅【 Excellent Quality 】 This probe test lead cable is universally suitable for most of digital multimeter voltmeter.Multimeter test leads with banana plug are all made of high quality pure copper material, strong conductivity, low resistance and no signal loss. Leads: CAT II 1000V 20A..
✅【Universal And Compatible】Multimeter leads probe cable clips multi plug tool kit. Multimeter Test Leads Probes and aligator electric clip makes electrical work easier and more precise. The Perfect test tool for precision testing devices. Perfectly fits all kinds of multimeters like digital clamp meters, digital multimeters, volt meter，ohm meter, electrical meter，bench power supply，multi meter electric tester，megger test leads，amp meter，esr meter，multimeter tester.
✅【Sturdy & Heavy Duty】This crocodile clip is rust-proof, corrosion-resistant, oxidation-resistant, compact and durable.Silicon rubber material, double insulation, Each crocodile clip overall jaw perfect solid bite, they are clamping tight, long-term use without deformation.
✅【Conductivity] 】The test lead set has excellent tensile strength and bending strength, as well as low strength and excellent electrical conductivity. It is very useful for electricians and maintenance p....

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KETOTEK Digital Water TDS Meter PH Meter PPM Tester has TDS-EC-Temp 3-in-1 and ±2% Accuracy PH Tester with 0-14.00PH and 0.01 Accuracy TDS PH Meters for Aquariums Water Hydroponics RO System

COST-EFFECTIVE PRODUCT PARTNER AND MORE WATER QUALITY INFORMATION CAN BE TESTED. It would be more economical and convenient than purchasing it....
WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm and ±2% accuracy, TDS meter can also test the liquid temperature in....
AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and digital PH meter both have the function of Auto-off, it will automatically shut off after 5....
AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won’t be influenced....
SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you....

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Voltage Tester, Auto Sleep Digital Clamp Meter Backlight Accurate Handheld Contactless for Current for Resistance(Red)

Multi Function: Clamp meter supports AC, DC span, resistance, AC frequency, AC voltage measurement, continuous measurement, with backlight..
Measuring Range: Clamp multimeter with open clamps, can measure AC current in conductors up to 26mm without interrupting the circuit..
LCD Digital Display: High accuracy digital clamp meter to measure accurately. With data hold, maximum readings, and large easy to read LCD screen..
Automatic Sleep: The digital clamp meter has a built in sleep mode. Automatically enters sleep mode after 15 minutes of inactivity to save energy..
Easy To Carry: Handheld clamp voltage tester, compact size and lightweight, easy to carry, ideal for travel. Help you easily solve electricity problems..

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HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume

NaCl calibration solution, available in 342 ppm or 1000 ppm.
Comes in lightweight HDPE plastic bottles.
Use the HM Digital TDS Calibration Solution (342 PPM) to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.
This HM Digital TDS Calibration Solution is also known as Water Tester Solution andTDS Meter Calibration Solution.

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Nikon AF-S FX NIKKOR 16-35mm f/4G ED Vibration Reduction Zoom Lens with Auto Focus for Nikon DSLR Cameras

35 millimeter focal length, Macro Focus Range : 0.25 meter.
52.5 millimeter equivalent focal length on DX Format cameras.
Ultrasonic type AF motor with full time manual focusing.
Note: This is an FX format F mount lens. FX and DX lenses can be mounted on all Nikon DSLR cameras. However, using a DX lens on an FX camera or an FX lens on a DX camera will result in a 1.5x crop factor.
35 millimeter focal length, macro focus range: 0.25 meter. Rear focusing system.

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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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Vibration Meter - Digital Precision Split Type Meter Tester HT-1201 Sensor Gauge with LCD Backlight Analyzer Acceleration Velocity Displacement Measurement for Moving Mach

【LCD Display】This Digital Precision Split Type Vibration Meter Tester has three and a half digit backlight display.LCD displays measurement result and conditions directly.It can measure the environment temperature with 2 temperature units (℃ and ℉).The default state after power on is acceleration measurement unit (m/s2). Press ▼ key to switch to (mm/s) measurement unit or displacement measurement unit (mm) At the time of measurement. - salinr.
【Widely Used】The product adopts piezoelectric type acceleration sensor and is suitable for measurement of conventional vibration of mechanical equipment. It can measure the vibration speed, acceleration, displacement and is widely used in mechanical manufacturing, electric power, chemical engineering, space flight and aviation and other fields. - vibration meter.
【Vibration Meter Tester】This Digital Precision Split Type Vibration Meter Tester adopts piezoelectric acceleration transducer transfer the vibration signal in to electrical signal, analyze the input signals, It can measure the vibration speed, acceleration, displacement.Automatic power-off time: 4 minutes.Vibration acquisition: piezoceramic accelerometer (shearing type ) - vibration meters.
【Easy to Used】The backlight starts automati....

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Timex Unisex TW4B02400 Expedition Mid-Size Digital CAT Black Fast Wrap Strap Watch

Adjustable black 16 millimeter nylon fast wrap strap with hook and look closure fits up to 8-inch wrist circumference.
100-hour chronograph with lap and split times.
3 daily, weekday or weekend alarms with 5-minute backup.
Black 33 millimeter resin case with acrylic lens.
Water-resistant to 100 meter (330 feet): In general, suitable for snorkeling, as well as swimming, but not diving.

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Isolation Amplifiers 4.5 - 5.5 SV 8 dB (10 pieces)

【QUALITY GUARANTEE】The Digital Audio Amplifier Power Module is made by a professional manufacturer and has undergone multiple tests. It has a very good quality guarantee and a 100% brand new high-quality brand..
【HAVE A DIGITAL CHIP】The Digital Audio Amplifier Power Module is equipped with PAM8403 digital chip, which is a small digital amplifier chip, which can highlight the advantages of digital chip and bring you a good experience..
【POWERFUL FUNCTIONS】The circuit of the Digital Audio Amplifier Power Module adopts reasonable configuration, the power filter is upgraded to 470 uf, and with 1.6 mm glass fiber board, it has excellent performance and powerful functions..
【HI-FI SOUND QUALITY】The Digital Audio Amplifier Power Module outputs 3 w + 3 w high-fidelity sound quality, which can restore the most realistic scenes and bring you a good experience. It is a rare good choice for you.
【THE ANTI-METER BODY】The Digital Audio Amplifier Power Module adopts the original anti-meter body, and the potentiometer with counterclockwise switch can directly cut off the power supply. It is safe and you can buy it with confidence..

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Cam Jones Cocoa Brown Terry Tuff

Water proof (50 feet /15 meter), dust proof, shock proof (7 feet / 2.1 meter), crush proof (100 kgf), freeze proof (14 degree Fahrenheit / -10 degree....
High resolution F2.0 lens, maximum 8x zoom, true pic VIII, back illuminated CMOS image sensor.
Variable macro system comprised of 4 macro shooting modes, magnified shooting up to 1 centimeter from the end of the lens.
5 underwater shooting modes including underwater microscope, 3 underwater white balance modes. Image file format: JPEG, raw.
4K movie and full HD 120 fps high speed movies can be recorded. Max. recording time: 20 seconds.

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