Top Handheld Conductivity Meter

AERO-GRO 5-in-1 TDS/pH Meter - IP67 Waterproof 5 Functions pH TDS EC Salinity Temperature 0.01 Resolution High-Accuracy Pen-Type Tester for Hydroponics Water Wine Spas Aquariums White

• [5-in-1 pH METER] - Meter has a five-in-one function, which can measure PH, TDS, EC (Electrical Conductivity), Salinity %, Salinity ppm, and....
• [Accurate pH Tester] - Featuring a solid glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. The pH meter uses a 3-point....
• [TDS Measurement] - Fast and accurate TDS / PPM testing for hydroponics or anywhere TDS is critical. The TDS Range is 0~10,000ppm. Accuracy is ±2%..
• [EC Measurement] - Measure Electrical Conductivity of either fresh or salt water..
• [Saline % and Saline ppm Measurement] - Conveniently and easily keep track of saline levels by either percentage or ppm. Great for aquarium, saltwater....

PH Meter Digital TDS Meter EC & Temperature Test Meter 4 in 1 Set, 0.01 High Accuracy PH Tester Pen Water Quality Tester for Household Drinking, Pool and Aquarium

• 【Multifunction PH Meters Suit】 with TDS PH EC temperature accuracy, faster for aquariums, pools, spas,etc..
• 【To calibrate the pH Tester】 Calibration does not require a screwdriver. The pH meter with ATC can automatically calibrate. To maximize convenience, simply press the Calibration key.
• 【High accuracy】The numbers of the pH meter range from 0.00-14.00 (PH), while the numbers of the digital EC and TDS meters range from 0 to 19990 ppm. PH Resolution is 0.01pH, Accuracy ± 0.05pH.TDS: 0 ~ 9990ppm, Conductivity: 0 ~ 9990us / cm, Accuracy: ± 2%.
• 【TDS have lock & auto-shut off function】 Conductivity meter has the accuracy of 0.1 ℃. Dump the item about 4 seconds in the liquid to get accurate values. In order to record the number, you can also Press the HOLD keyboard.
• 【LCD Display】The LCD clearly displays the data and the LCD backlight turns off automatically. Small and easy to carry. 365 days for a worry-free return service.

Carbon Monoxide Meter Detector, Handheld CO Detector, Portable CO Gas Leak Detector, Gas Analyzer, High Precision Detector, CO Gas Monitor Tester 0～1000ppm for Home, Tunnels, Steel Works Wait

• ✅【HIGH QUALITY CO DETECTOR】The carbon monoxide detector is a device that detects the presence of carbon monoxide gas in an area, usually as part of a safety system that carbon monoxide meter handheld can accurately monitor the surrounding environment and is used to detect carbon monoxide gas leaks and remind the operator to take relevant measures..
• ✅【ACCURACY AND DURABILITY】 This handheld carbon monoxide detector is equipped with an LED Backlit screen that can easily handle environments such as darkness, making it easy to read and freeing you from the constraints of time and place. Carbon monoxide meter is made of high tenacity ABS engineering plastic, which is wear-resistant and stable, with low power consumption and high accuracy..
• ✅【MULTI-FUNCTIONAL】The carbon monoxide meter handheld concentration alarm value can be set freely. Carbon monoxide tester will also sound an alarm when the carbon monoxide gas concentration is at a low danger value, and will automatically shut off without any operation within 10 minutes. Portable carbon monoxide detector has a wide measurement range and can carbon monoxide detectors be switched to 2 temperature units (°C and °F) is very practical..
• ✅【WIDELY APPLICABLE】The digital carbon monoxide de....

Myron L TPH1 TechPro II pH/Conductivity Meter

PUPILASH Capacitance Meter - Circuit Tester M6013 LCD High Precision Capacitor Meter Professional Measuring Capacitance Resistance

• Power Supply: The meter can be powered by included Φ5 DC power supply cable and mini USB cable. You can also install 4×AA batteries. Each way makes the meter work. Note: the AA battery is not included..
• Measuring Range: Capacitance 0.01pF-100mF, inductance 0.001uH-100H, frequency 500KHz/500Hz-50KHz..
• High Precision: Accuracy 1% of capacitance range 1pF~1uF, 5% of range 1uF~100mF.
• 1% of inductance range 1uH~1H, 5% of range 1H~100H.
• Easy to Calibrate: just press the button "ZERO" to calibrate, open circuit calibration in capacitance measuring mode, short circuit calibration in inductance measuring mode..
• Applications: This portable and handheld tester 1×handheld LC meter, 1 pair of alligator clip test leads, 1×LCR Kelvin alligator clip test lead, 1×mini USB cable, 1×manual.

Small Aquarium Underwater Ambience with Very Light Bubbling

• ...wavelengths emitted by LEDs, HPS, MH, sunlight, and other light sources utilized by plants for photosynthesis..
• RUGGED & EASY TO USE - Quantum sensor head is machined aluminum and potted solid with epoxy for years of use in harsh environments, including underwater. The handheld meter is attached by a cable and displays real-time readings, records samples, and logs average intensity and daily light integral (DLI) measurements. Unlike the sensor head, the handheld meter is not waterproof..

HM Digital 1000ppm TDS Calibration Solution

• For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
• Comes in lightweight HDPE plastic bottles.
• Laboratory quality NIST-traceable solutions.
• Any brand TDS meter can be calibrated to any brand of calibration solution.
• Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle.

Hofun High Accuracy TDS Meter Digital Water Tester Water Quality Tester with True ATC 3 in 1 TDS EC & Temp Meter PPM Water Testing Kits for Drinking Water Tap Well RO/DI System Hydroponics

• ✔UPGRADED MULTIFUNCTIONAL WATER TESTER: Hofun 3 in 1 TDS Meter, Electric Conductivity Meter & Temperature Meter features the most updated....
• ✔ACCURATE & QUICK MEASUREMENT BY RELIABLE TDS WATER TESTER: Hofun drinking water test kit is equipped with premium quality titanium alloy probe for....
• ✔EASY READING AND INSTANT RESULTS: Hofun ppm water tester meter is designed with super easy operation. You just turn TDS meter on and stir water....
• ✔MULTIPURPOSE DIGITAL TDS WATER TESTER METER: With the help of Hofun water test kits for drinking water, it's more convenient for you to test the....
• ✔YOUR PURCHASE IS WELL-PROTECTED: Hofun water hardness tester digital is manufactured under extra high standards and of super good quality. Thus we....

Apogee Instruments MQ-500 Full-Spectrum Quantum PAR Meter & Telescopic Wand Bundle - Digital PPFD Meter for LED Greenhouse Grow Lights, Sunlight, & Plant Monitoring

• ... s-1 within 5 % uncertainty. Unlike hobby-grade PAR meters, our meter has a stable, accurate calibration with an accuracy drift rate of less than 2% per year..
• RUGGED & EASY TO USE - Quantum sensor head is machined aluminum and potted solid with epoxy for years of use in harsh environments, including underwater. The handheld meter is attached by a cable and displays real-time readings, records samples, and logs average intensity and daily light integral (DLI) measurements. Unlike the sensor head, the handheld meter is not waterproof..

TDS Meter Digital Water Tester - PPM Quality Testing Tool 3-in-1 (TDS, EC & Temp) High Accuracy ATC Tester, Nutrient Testing Pen for Hydroponics, Monitor Ro System, Pools, Aquariums & Saltwater Tanks

• HOLD AND AUTO-OFF FUNCTIONS: the 7Pros TDS meter has data-hold function, it locks your readings making it easy to record. The EC Meter will automatically shut down after 9 min of inactivity.
• FACTORY CALIBRATED: our ppm meter is factory-calibrated at 342 ppm NaCl and designed to stay consistent.
• ACCURATE: TDS readings are adjusted with automatic temperature compensation, assuring users of consistent and accurate measurements of total dissolved solids.
• EASY TO USE: The tds meter digital water tester will get your testing results in seconds. Turn on, immerse the electrode in the testing liquid, press Hold button and read the numbers.
• WIDE USE: Our conductivity meter is Ideal for all water quality testing, its a ppm meter for hydroponics, water purification applications, aquariums and saltwater tanks, wastewater regulation, aquaculture, laboratory and scientific testing, pools, ecology testing, colloidal silver, water treatment, etc..

Hofun TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Digital Water Testing kits for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System, Hydroponics

• ...ich enables quick and convenient water total dissolved solids(tds) test. 0-9999ppm wide test range makes it fits multiple uses, like drinking water test, swimming pool, hot tub, laboratory, hydroponics, aquariums, well water, tap water, etc..
• ✔[ BONUS 3 in 1 TDS , EC & TEMP METER ] Hofun 3 in 1 TDS Meter, Electric Conductivity Meter & Temperature Meter features the most updated technology. Three different measurement needs can be fulfilled by one water tester meter. Not only been convenient for you, but also saves your time and money, absolutely a helpful water test kit for your water safety at home..
• ✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TELLER ] Hofun water hardness test meter with Big Backlit LCD is far superior than most digital water quality tester display, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means non-drinking water. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line.).
• ✔[ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation, just turn it on and put tds meter into water, you can get stable and accurate data in se....

Fristaden Lab Benchtop pH Meter, 0.01 pH Accuracy | Scientific pH Meter for Wine, Beer and More, Digital Bench Top pH Meter and Electrode

• 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.