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Best Automatic Calibration

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

  • 3 Modes in 1: With the VIVOSUN 3-in-1 pH meter, you can accurately measure pH, TDS and temperature values to discover your water quality and ensure your family’s health.
  • Automatic Calibration: Featuring three-point calibration, the VIVOSUN pH pen can automatically identify calibration solutions of pH 4.00, pH 6.86 and pH 9.18.
  • High Accuracy: Highly sensitive probe gives you a full measurement range of 0-14 pH, 0.01 pH resolution.
  • pH tester digital green backlit display ensures you can read the measuring results under any conditions.
  • Automatic Temperature Compensation: With the VIVOSUN pH meter’s accurate ATC, pH / TDS / EC / temp function can accurately read sample values across a broad temperature range of 32 °F-140 °F.
  • Solve the problem of inaccurate measurements caused by changes in liquid temperature.
  • Multiple Uses: Pocket-sized and multi-functional, the VIVOSUN pH tester is ideal for daily use, to add to water testing kits for drinking water, or as a gift for family and friends.
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Digital Ultrasonic Flaw Detector, 0-10000mm Multi-Function Color Ultrasonic Flaw Detector Meter Defectoscope Gauge for Steel Metallurgy, Metal Processing, Quality Inspection

  • ❤ The digital color screen ultrasonic flaw detector can quickly, conveniently, without damage, and accurately detect, locate, evaluate and diagnose various defects (welds, cracks, inclusions, folds, pores, blisters, etc.) inside the workpiece..
  • ❤ ღHigh-precision quantification and positioning to meet the requirements of near and far distance detection.
  • ღThe near-field blind zone is small, meeting the requirements for small pipe diameter and thin-wall pipe inspection.
  • ღ Automatic calibration: One-button automatic calibration, easy to operate, automatic test probe "zero point.
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Hanna Instruments HI98128 pHep 5pH/Temperature Tester, 6-25/64\ Length x 1-19/32\ Width x 1\ Height

  • Compact pH and temperature tester used in laboratory and industrial applications.
  • Automatic Temperature Compensation (ATC) for accurate pH readings in fluctuating temperatures and automatic calibration at one or two points to help prevent calibration errors.
  • Dual-level LCD screen simultaneously shows the current measurement and the current temperature.
  • Replaceable electrode cartridge to extend meter life.
  • Waterproof, dustproof housing allows the tester to float.
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RCYAGO Digital PH Meter with ATC, 4 in 1 pH/EC/TDS/Temperature Meter 0.01 Resolution High Accuracy Pen Type Tester, Water Quality Tester for Pools, Drinking Water, Aquariums

  • ▶ 【Notification】Calibrate once per week if you often test solution of PH 003c4 or 003e10, or once per half month for neutral solutions. The 250ml calibration solution for multiple uses (10ml or so each time). Then rinse the electrode with pure water before next test. Rinse and rest 3-5 min before conversing from strong acid to strong alkaline and vice versa..
  • ▶ 【Automatic Calibration】 We make your job faster and easier than ever with this convenient PH tester! With the 3-point calibration procedures, your PH testing device will automatically identify the calibration solutions to give you your reading in a snap..
  • ▶ 【Automatic Temperature Compensation】 Temperature can affect reading levels, our PH meter's automatic temperature compensation can ensure that you're getting the best possible reading. Unlike other PH metersthat only have a range of 0-50 degree, ours has a even better range of 0-70 degree, so you can test with confidence in any environment..
  • ▶ 【Clear Digital Display with Alerts】 Tired of squinting at a small screen to get your readings? Enjoy this PH meter's large, backlit LCD screen that displays the information in an intuitive layout so you can still see even in low visibility situations. When the PH value is lower tha....
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Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory

  • FEATURES: Large screen monitor with smart backlight which allows you to read easily even in dark sorroundings. pH and Temperature display with low battery indicator and the unit operates power saving mode..
  • Multi-points Calibration: Up to 3 Points PH calibration (pH 7.0 / pH 4.01 / pH 10.01). It has advance one touch calibration function with automatic buffer recognition to avoid errors..
  • ATC (Automatic Temperature Compensation): The monitor has ATC function so it will decrease the error of PH readings caused by the fluctuation of water temperature..
  • HIGHLY ACCURATE MEASUREMENT: It has separate probe. When taking a measurement, simply place your probes into the solution and and then the accurate readings will be displayed on screen..
  • POWER SOURCE: The monitor is operated with 4 x AA Alkaline Battery. It will go into power saving mode after around 5 minutes. In this way, it can provide battery life time for at least 3 months..
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Testex Coarse Minus Grade (0.5-1.0 mils / 12-25 microns), Roll

  • 【Lightweight & Portable】Lightweight and portable, this wall‑mounted detector is cordless, small in size, and easy to carry around for measurement..
  • 【Usages】The detector can easily detect wood, beams, metal nails, pipes or steel behind wall, floors or ceilings..
  • 【Indicating Signal Design】Indicating signal design, this wall detector has LCD backlight display and sound indication, you can clearly know the thickness of the detection..
  • 【Automatic Calibration】Automatic calibration. This wall detector can automatically calibrate all detected objects with high detection accuracy..
  • 【Low Battery Indicator】Low battery indicator, the wall-mounted detector will have a low battery warning screen to avoid the embarrassment of a dead battery..
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VIVOSUN 3-in-1 Digital pH Meter with ATC, ±0.1 pH Accuracy Water Quality Tester, 0-14.0 pH Measurement Range for Hydroponics, Household Drinking, Pool and Aquarium

  • 【Value Combo Set】3 in 1 TDS & EC & temperature (blue)+ digital LCD pH meter (yellow). Products are protected by packing box which is easy to carry and store indoors..
  • 【Automatic shutdown function】The meter is equipped with automatic shutdown function, it will automatic shut off if there a period of time inactive to help you save on battery power..
  • 【Accurate reliable & low power consumption】Ruolan digital tester with Big Backlit LCD, which is high-definition screens can quickly read the data and built-in intelligent detection system and sensitive sensor to ensure the accuracy of the numerical. Our products are designed with low power consumption of separated electronic bin, products use two button batteries, which is used for a long time and easy to replace..
  • 【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data..
  • 【How to use calibration】Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration..
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GZAIR Smart Wi-Fi Indoor Air Quality Monitor, Data Logger, PM2.5, PM1.0, TVOC, CO2 Detector, Temperature & Humidity, Real-Time Data via App

  • 6 IN 1: Measure PM2.5, PM1.0, TVOC, CO2, Temperature, and Humidity, with a sensitive laser particle sensor, laser TVOC sensor, and accurate NDIR CO2 sensor. .
  • Automatic & Manual Calibration: Offer two calibration modes, Manual Calibration, and Automatic Calibration. We have calibrated it manually in the factory, and it can automatically calibrate during the detection..
  • Wi-Fi Enabled & APP Smart Control: Smart PT02 can connect to the Internet, works seamlessly with Tuya App, Set alerts, receiving air quality measurements anytime and anywhere..
  • Wireless IoT Controller: Create a Smart Scene in the Tuya app, make PT02 control the Smart home appliances. First, you should add Smart PT02 and other Smart home appliances to Tuya APP. Then set the conditions. The PT02 monitor will activate Smart Fans, Air Purifiers, or other appliances in response to changes in your home’s air quality..
  • Supports RS485/Relays Signal Output: The RS485 port and Relay port are located on the rear of the device. And the RS485 supports data export. The Relays can control the appliances directly (This function is only recommended for professional personnel or engineers.).
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APERA INSTRUMENTS Premium Series PH8500 Portable Handheld pH Meter Kit AI5520

  • Take lab-grade pH/mV measurements in a quick and easy manner.
  • IP57 rugged structure design for in-field use and the foldable stand supports use as a benchtop meter.
  • Automatic multi-point calibration with slope data display, due calibration reminder, and last calibration date check.
  • Auto/manual data logging with GLP data management (500 sets of data storage) and USB data output.
  • Self-diagnosis ensures the meter will be properly calibrated and guides you on how to fix common problems.
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Ph Meter, 4 in 1 TDS/PH/EC/Temp Water Quality Tester Pen, 0.01 High Accuracy Digital Ph Tester, Water Quality Tester for Household Drinking, Pool and Aquarium, Ph Tester

  • The smallest pH pen with reliable testing performance for regular liquid e. g. pools, hydroponics, aquaculture, cooling towers, beverage making, body fluid, etc..
  • Slim replaceable probe, suitable for test tubes.
  • Intelligent functions: switch from ˚F to ˚C, automatic power-off, pH probe invalidation reminder (remind you to replace the probe for better performance).
  • Complete kit: 3 types of premixed calibration solutions (4, 7, 10) and storage solution (3M KCL) all in one portable case.
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Pen-Type Digital Salinity PPM Temperature Waterproof Tester Meter for Salt Water Pool and Koi Fish Pond

  • 3-in-1 meter! Measure total dissolved solids, salinity, and temperature of water sample with just one device..
  • Functions: Large LCD double reading display with temperature compensation function.
  • wide range of measurement and a variety of measurement units can be selected..
  • Multi-point calibration design, automatic calibration with one button.
  • indicator lamp with insufficient battery capacity..
  • This tool is also perfect for testing water in swimming pools, hydroponics, water treatment businesses, and other related industries..
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Digital Brix Refractometer, ACEGMET Automatic Temperature Compensation Brix Refractometer Range 0-53%, ±2 PSU Accuracy, 1 PSU Resolution Brix Meter

  • The measurement of refractive index is simple and quick and provides the user an accepted method for sugar content analysis. Samples are measured after a simple calibration with steam distilled water. Within seconds the instrument measures the refractive index of the brix. This digital refractometer eliminates the uncertainty associated with mechanical refractometer and is easily portable for measurements in the field.
  • It is easy to use with simple three button operation and fast with a response time under 3 seconds. Easy to clean, stainless steel sample well with unit rated to IP65 as “dust tight” and protected against water jets. Ideal for winemakers, brewers, fruit and vegetable growers, maple syrup producers, and food producers..
  • This handheld refractometer is small, light and simple to use as optical refractometer, but with the precision of a digital readout. They read samples as small as 0.3 ml. Sample temperature is initially displayed on the TFT screen followed by the measurement results. They have easy-to-read LCD that eliminates the possibility of interpretation errors..
  • SM20 digital brix refractometer is commonly used in the food and beverage, agriculture and wine industries. Fruit farmers will use a refractometer to check the sugar conte....
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Linestereder PH Meter Digital Water Quality Tester Testing Range 0.00-14.00 Ph Great for Household Drinking Pool and Aquarium High Accuracy Pen Type PH Test Water.

  • ⛪ [ Accurate PH Tester Digital ] PH meter use sensitive glass bulb electrode sensor that can quickly and clearly read accurate PH values in the....
  • ⛪[ PH Meter Automatic Calibration ] PH meter has an automatic calibration function that can be adjusted according to water temperature and quality,....
  • ⛪ [ Automatic Temperature Compensation] PH meter has a built-in temperature sensor. When the temperature of the sample solution is different from....
  • ⛪ [ Extensively Tested kit ] Conveniently fits in your pocket or bag and goes anywhere. PH meter is ideal option for families and laboratory testing....
  • ⛪ [ Package Includes ] Come with 1x PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x PH Buffer Powders. The enclosed detailed....
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