Top Frequency Meter Calibration

AEROSPRING 3-in-1 Waterproof Multifunction Digital Meter, Measures Electrical Conductivity (EC), pH and Temperature Functions Specially Designed for Hydroponic Systems

  • 3 in 1: EC and pH are vital measurements in Hydroponic systems. With the AEROSPRING 3-in-1 Multifunction Digital Meter you can accurately measure EC, pH and temperature values, accurate to +/- 2% EC, +/- 0.01 pH: and Temp: 0.9F. Comes with a lanyard..
  • Automatic Calibration: Featuring three-point calibration, the meter can automatically identify calibration solutions of pH 4.00, pH 6.86 and pH 9.18. Included 3-pack pH buffer solution (4.00, 6.86 and 9.18). EC calibration solution not included. Recommended to calibrate every 4-6 weeks for accurate measurements..
  • High Accuracy: Highly sensitive probe gives you a full measurement range of 0-19990μS/cm EC and 0-14 pH, Rsolution 0.01 pH.
  • Multifunction Digital Meter green backlit display ensures you can read the measuring results under any lighting conditions..
  • Important Hydroponic Measurements: EC measures the level of nutrients in your system and gives you a measurement of the quantity of available nutrients, allowing you to use this information to add nutrients to your desired level. pH is the measure of the acidity of a system and determines how plants and other organisms interact with different nutrients..
  • Multiple Uses: Pocket-sized and multi-functional, the AEROSPRING Multifunct....
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5 in 1 PH Meter, TDS/EC/Salinity/Temp/PH Meter for Water, Digital PH Tester 0.01 High Accuracy Water Testing Kits for Drinking Water, Pools, Fish Tank, and Hydroponics, PH Pen Hydroponics Supplies

  • Includes: 1 x 5 in 1 ph meter(battery include), 1 x user manual, 3 x calibration powder..
  • [ 5-in-1 PH Meter for Water ] : PH meter is designed with 5-in-1 function, which can be measured PH, TDS, EC, SALITY, and TEMPERATURE. Satisfy all your testing requirements and fully test water quality! Get Healthy Pure drinking water or other use water with this 5 in 1 pH meter..
  • [ Easy to Use ] : Just dip the electrode in the target solution then press and hold the MODEL / CAL button for 6 seconds after the readings to stabilize(usually 5~10 Seconds) and the ph meter will automatically calibrate. Digital pH meter uses a 3-point calibration method, calibrating 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 & Reliable ] : ±0.01 pH accuracy, 3-point calibration and 0-14 measure range of the digital ph meter sure you get a accurate testing result. High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response..
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YINMIK YK-P01 pH Tester Digital pH Meter for Water Hydroponics, Accurate pH Temp Meter with ATC for Pool, Spa, Hot Tub, Indoor Plants, Drinking Water, Wine Beer Home Brewing, Aquarium

  • to measure pH of your well water , alkaline tap water and other drinks ..
  • [Accurate pH Tester with Effective ATC] Built with stainless steel temperature sensor, YK-P01 pH meter has an effective temperature compensation (ATC) function, which ensures the rapid response and accurate test results..
  • [Easy Calibration for YINMIK pH Tester] Supporting 3-point auto calibration, following the instruction manual can easily achieve 4.00, 7.00, 10.01 auto calibration. Don't worry about the calibration solution, you can easily configure up to 500ml of calibration solution for each standard using the calibration powder included in the package. In addition, you can also purchase calibration powder from the YINMIK store on Amazon at an affordable price..
  • [More User-friendly Designs] Backlights ensures you can use the product in a dimly lit working environment. HOLD/TEMP button can be used for reading lock, attribute to this function, the reading will not disappear after the pH meter leaves the test solution..
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Fivota pH and TDS Meter Combo, 0.01 pH Accuracy pH Meter with ATC 0-14 pH Test Range, Temperature and TDS Test Meter Range of 0-9990ppm, 3 Meters Combo Ideal for Various Water Test Requirements

  • ..., temperature and TDS value of liquid)..
  • Upgraded pH Meter: This advanced pH tester features Automatic Temperature Compensation (ATC) function that means it will automatically compensate the temperature of solution within a range of 32～122℉. Full measurement range of pH 0 – 14 with accuracy of 0.01..
  • Simplified Calibration procedure: No more complex operation of using screwdriver to calibrate meter needed. What you need to do is to immerse the pH meter into the specific solution (included in the package) and then press the calibration button, and the meter will be calibrated automatically. No calibration is needed for the TDS meters..
  • Multifunctional TDS meters: There are 2 TDS meter in the package, and the white TDS meter can test TDS value of liquid from 0 to 9990ppm with ± 2% accuracy and also the temperature of liquid in range from 32～210℉. The blue TDS meter can test TDS value of liquid from 0 to 9999ppm with ± 2% accuracy and also the temperature of liquid in range from 32～176℉..
  • Wide applications: This liquid test meters combo can be used in laboratory for different kinds of test experiments.
  • it can also be used for home purposes to test many important factors of drinking water in order to ensure safe water consumption..
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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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PC Interface Controller

  • 【One-year after-sale warranty】The PWM to voltage module converts PWM digital signals to 0 to 10V analog signals. It can be used to switch the signal interface of PLC or other industrial control board. Adjust the output voltage by adjusting the PWM duty cycle. The module is small in size and easy to apply in different places.003cbr003e.
  • Using MCU embedded technology. Easy to operate, can be fine-tuned by potentiometer.003cbr003e.
  • Select the PWM signal input level range by short circuit. The module is small, easy to carry and easy to use.003cbr003e.
  • (current greater than 100mA)，PWM signal receiving frequency range: 1KHZ-3KHZ.
  • When power on for the first time, it is best to do a calibration and debugging: find a signal with a 50% duty cycle and connect it to PWM and GND. Jumper caps set the corresponding voltage range. When the frequency is 1KHZ-3KHZ, use a multimeter to measure the two ports of VOUT and GND. At this time, the meter displays about 5V. Adjust the potentiometer on the board so that the multimeter displays 5.00v.003cbr003e.
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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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Taidacent RF Power Meter Calibration RF Power Measurement 1MHz ~ 10GHz -50~0dBm RF Power Attenuation Value Can be Set

  • This is an RF power meter, which is operated by buttons..
  • Advantages: simple structure, convenient use, stable performance, reliability, high sensitivity and fast measurement speed..
  • Application: RF power measurement, instrument calibration.
  • Measuring power range: -50~+0 dBm (external RF attenuator can be extended to 100dBm).
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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.
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TopTes TS-630 Wood Moisture Meter with 3 Color Backlight Display, Moisture Meter for Firewood/Drywall, 2.25-inch LCD Screen with Dry-Moisture-Wet Display, 2 Mode 7 Calibration Scales - Orange

  • ... humidity is Dry, Moist, or Wet. Green backlight for Low moisture, orange backlight for middle moisture, and red moisture for high moisture. After selecting the mode, and putting pins into the firewood, easy and quick to get a visible alert from the clear screen.
  • 【7 Calibration Scales, 2 Material Mode】It is designed with built-in characteristic parameters of 7 calibration scales for wood and building material, ranging from 0.0% to 57%. This humidity meter is perfect for woodworking, water damage restoration, building construction, and home renovation. Easily Check and test suspicious water leaks around the wall/floor so you can quickly determine what level of remediation is needed.
  • 【Pin Type & Battery Operated】 TopTes TS-630 moisture meter is a pin-type moisture meter and operates on batteries. With a high precision multi-material sensor, DON’T need calibration. It’ll support an accurate reading after inserting the stainless steel pins into the surface of the wood or building materials. It will auto shut off after 10 minutes of non-use to help save energy. A low-battery indicator will appear on the screen when the battery is running out.
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Digital TDS-Meter, Accurate and Reliable, HoneForest TDS, EC & Temp Meter 3 in 1, 0-9990ppm, Ideal Water-Tester-PPM-Meter(Green)

  • ...ics, lab, aquarium. It can be used as a classic tester even if it is not connected to a smartphone..
  • 【Cloud-Based Data Management System】Accurate real-time Bluetooth data transmission and clear measured values make it easy for you to save, manage and share test data without worrying about data loss..
  • 【Automatic Calibration pH Tester】With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. Compared with other pH meters, the pH is a 3-point calibration method, and our pH is a 5-point calibration method and equipped with a calibration powder (Asia Standard: pH 4.00, pH 6.86, pH 9.18, and EU Standard: pH 7.00, pH10.01), you can calibrate effortlessly to ensure the accuracy of your measurements..
  • 【Comprehensive Information Display】Simply immerse the pH meter electrode in the solution to be tested, readings are quickly displayed on a large LCD display. multi-parameter display at the same time, mobile phone APP control backlight display..
  • 【Easy to Use】Digital pH meter fully customizable parameter settings. the App can set the upper and lower limits of pH, which can be set according to your needs. when the value you set exceeds the test range, the App interface will display a red value abnormally, notif....
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YWBL-WH AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light

  • MAIN FEATURE---Produce Name: LED Hz Indicator.
  • Applicable: circuit frequency measurement.
  • 20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
  • HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
  • CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
  • 5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.
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