Best High Accuracy Hardness Tester

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

【Automatic Calibration pH Tester】With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. And pH meter uses a 3-point calibration method to calibrate the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18. You can calibrate effortlessly to ensure the accuracy of your measurements..
【High Accuracy Water Tester】High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response. 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....

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HoldPeak Digital Smart SMD Tester 6000 Counts HP-990C DMM Handheld Resistance Capacitance Tester,Digital Multimeter Auto Scan with Spare Test Pins (Battery Included)

✅【High Quality & High Accuracy】The tester is automatically identified the passive component.Precision LCR Meter 6000 counts with the range of Resistance:600Ω~60MΩ；Capacitance：9.999nF~99.99mF.
Diode Test:Open Voltage:3.0V,Testing Current:1.5mA.
✅【Non-rusting】The entire outer surface of the tester case has been with thermo plastic elastomer, and Spare Test Pin are included which has been gold-plated, so that can be reduce pin contact resistance and prevent it from rusting..
✅【Wide Range of Application】With the function of the continuity and Diode Test,you can used it for many applications,such as components verification and sorting, production lines, laboratory and service center, in-field repair，battery power test and more..
✅【Auto Power Off】If the tester is idle for more than 15 minutes, the tester will automatically turn off the power.HOLDPEAK 990 SMD tester is a handheld and battery operated small Tool, very convenient to operate and it is easy to measure SMD..
✅【100% Warranty Guarantee】HOLDPEAK come with 2 years warranty and lifetime technical support,if you have any questions about our product,just feel free to contact us, your satisfactory purchase experience is our greatest hope! Looking forward ....

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Pentair EC-523404 IntelliSync Pool Pump Control and Monitoring System – Limited Warranty

MULTI-FUNCTIONAL: With our 15 in 1 water tester, you can test up to 15 water parameters such as pH value Chlorine(free/combined/total), Alkalinity (Acid Capacity), Cyanuric Acid (Stabilizer), Active Oxygen (MPS), Bromine, Chlorine Dioxide, Ozone, Hydrogen Peroxide LR, Hydrogen Peroxide HR, Total Hardness, Calcium Hardness, Urea. You only need our water tester to test the 15 water parameters..
FREE SOFTWARE: Our electronic water tester comes with free software that you can use in your PC and MAC. You can also use the free app for iOS and Android. You also get a free cloud service to help you synchronize data between your smartphone and computer. The cloud service also helps you store the data and make it easily accessible when you need it..
POWER EFFICIENT: The electronic photometer doesn’t need a lot of battery power to work. It comes with 3 x AAA batteries that can run the water tester for a long time before replacing them. Our water tester is just what you need in your home or even in your pool business..
EASY TO USE: You don’t need to hire a professional to help you use our water tester. Our water tester comes with a user manual that is easy to read and understand. The user guide is written in five languages English, German, F....

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Water TDS Meter，WoEluone Water Quality Tester, LCD Display,Accuracy Testing Water Meter for Drinking Water, Aquariums,RO System,Swinging Pool and More

... your overall water purity level, which will be displayed on the screen in ppm (parts per million)..
☑️ 【 LONG BATTERY LIFE CYCLE】:It’s used with 2 pcs 1.5V batteries(LR44), and it can be used more than 3 years, it will be power-off automatically after stop using in 5 minutes to save the battery..
☑️ 【ACCURACY AND WIDE MEASUREMENT RANGE】: The premium Titanium Alloy Probe has high test accuracy in +/- 2% Readout Accuracy Testing, which can avoid the interference of magnetic field in water. Testing range from 0-9990 ppm, the resolution is in increments of 1ppm,indicated by a blinking 'x10' image..
☑️ 【 EASY TO USE AND HANDY】: Just stick the TDS meter tester into the water of 1 inch deep, then stabilized readings will be auto-locked on LCD screen in seconds, TDS tester shuts off automatically after 3 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording..
☑️ 【WHAT YOU GET】: TDS water tester, user manual, Preinstalled 2 pcs battery, leather case,our fan-favorite 3 year warranty and friendly customer service..

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Yctze Car Spark Tester, Electronic Faults Detector MST-101 Auto Ignition Coil Tester Tool for ignition coil tester automotive electronic fault detector ignition coil tester coil pack tester spark plug

Perfect choice -----The ABS head is easy to insert and durable, making it the right choice. ignition coil tester.
Function-----You can quickly and easily diagnose whether the ignition system of the car is working properly, avoid fire, and burn out the ignition coil. for automotive electronic fault detector ignition coil tester car ignition coil tester.
With LED indicator light -----The internal LED light will show you if the ignition system is normal. for coil pack tester mst 101.
Safe & Reliable-----It provides a safe and reliable troubleshooting method that is convenient, economical and time-saving. for spark plugs and coil tester small engine spark tester.
Premium material-----Made of high quality aluminum material which is characterized by its high hardness and corrosion resistance, ensuring long-lasting durability. for spark tester automotive electronic fault detector ignition coil tester.

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GuDoQi PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water, Hydroponics, RO System, Aquarium, Swimming

WIDE USE:It is commonly used for testing the pH balance, quality and hardness of drinking water, household water, pool water, aquarium, Spa, hydroponics etc(Any issue about this product ,pls contact with us).
THE RANGE OF MEASURE: PH resolution is 0.01pH, accuracy is ±0.01pH, measurment range is 0-14 pH. TDS meter ranges from 0~9990ppm, Conductivity ranges from 0~9990 us/cm, EC ranges from 0~9990 us/cm.
ATC FUNCTION: Equipped with auto temprature compensation function, PH tester can adjust according to water temperatures and give pH readings almost instantly. Don't need to care about the temperature of test liquid.
EASY TO USE: For water quality tester, pressing ''HOLD'' button for maintaining reading, pressing ''SHIFT'' button once for TDS & EC transformations, pressing ''SHIFT'' button twice for "° C / ° F" transformations.
AUTO CALIBRATION: For pH tester, just place the instrument in the standard buffer and press the CAL button then it will automatically start calibration data. (This ph meter has been calibrated by factory so users can use it directly).

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EBC-A40L Battery Tester Battery Capacity Tester with Charge Discharge Function Large Current Lithium Battery Charge Dischage Capacity Tester 110V

☀️ EBC-A40L is a high-current battery charge and discharge capacity tester for 5V battery and performance testing, through the online software with more extensions.
☀️ Voltage accuracy: 0.2% ± 0.03V. Current accuracy: 0.2% ± 0.01A.
☀️ Voltage range: charge 0-5V, discharge 0-5V. Current range: charge 0.1-40A, discharge 0.1-40A.
☀️ Connecting pattern: Testing connector and PC connection(The EBC-A40L tester can connect with a computer through a designated USB-TTL cable).
☀️ Package included: - 1 x Battery Tester - 1 x Online cable - 1 x Testing cable - 1 x Power supply cable.

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Diamond Tester Diamond Detector Diamond Tester Pen Diamond Tester Professional Diamond Detector gem Tester Diamond Tester Pen High Accuracy Professional Jeweler Black Diamond Testers

【SIMPLE AND FAST TO USE】Our diamond detector can quickly test the authenticity of diamonds, jade, agate, and crystal. If it is a real diamond, the....
【REASONABLE DESIGN】Our High Accuracy Professional Jeweler is the second generation and the diamond gem tester is very simple to use. You just need....
【QUICK DISTINGUISH】You just need to open our diamond gem tester, put the tip of Diamond Detector perpendicular to the gemstone (90 degrees).....
【SCOPE OF APPLICATION】Diamond Tester Pen High Accuracy Professional Jeweler can be used for diamond, jade, crystal, agate. diamond checker tool....
【SERVICE】If you have any questions about the use, please feel free to contact us, we will reply to you within 24 hours. Package includes:1 x....

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Hot Tub and Pool Test Set 13 in 1 - Professional Pool and Spa Water Testing for Home Easy to Use

MULTI-FUNCTIONAL: With our 13 in 1 water tester, you can test up to 13 water parameters such as pH value Chlorine(free/combined/total), Alkalinity (Acid Capacity), Cyanuric Acid (Stabilizer), Active Oxygen (MPS), Bromine, Chlorine Dioxide, Ozone, Hydrogen Peroxide LR, Hydrogen Peroxide HR, Total Hardness, Calcium Hardness, Urea. You only need our water tester to test the 13 water parameters..
FREE SOFTWARE: Our electronic water tester comes with free software that you can use in your PC and MAC. You can also use the free app for iOS and Android. You also get a free cloud service to help you synchronize data between your smartphone and computer. The cloud service also helps you store the data and make it easily accessible when you need it..
POWER EFFICIENT: The electronic photometer doesn’t need a lot of battery power to work. It comes with 3 x AAA batteries that can run the water tester for a long time before replacing them. Our water tester is just what you need in your home or even in your pool business..
EASY TO USE: You don’t need to hire a professional to help you use our water tester. Our water tester comes with a user manual that is easy to read and understand. The user guide is written in five languages English, German, F....

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