ReviewsTeaching Meter

Fancyes Human Lymph Node Enlargement Model Biology Learning Model Human Organ Anatomical Model for Education Display Student Exhibition Classroom

  • TEACHING AIDS: This is a great learning tool for students or anyone interested in cardiac anatomy..
  • HELP STUDENTS LEARN: This enlarged lymph node model is suitable for the teaching of lymph node organs and lymph node structures in physiology teaching in secondary schools and junior colleges and universities. To give students a more intuitive understanding of the functions and relationships of lymph nodes..
  • WIDE RANGE OF APPLICATIONS: The enlarged lymph node model can be used in teaching, exhibition, communication, observation, biological research, etc. It is a high quality teaching material..
  • METICULOUS WORKMANSHIP: The workmanship is meticulous, round and burr free, will not hurt the hand, and feels smooth..
  • HIGH QUALITY PVC MATERIAL: The lymph node magnification model is made of high quality PVC Polyvinyl Chloride material, which is simple in design and strong and durable..
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Smart Meter Cover,Electric Meter Cover Shield, Faraday Cage Protection RF Shield Guard Block 5G with Adjustable Bottom Meter Cover

  • 1.√√√[GREENER LIVING ENVIRONMENT]The harmful from smart meter may not be very high, but it is still microwave radiation. There are many studies that link the radiation to a host of other sicknesses and neurological problems. We think we are keeping our children safe and we do not realize how much danger we are putting them in by exposing them to all of these electromagnetic toxins. While this Smart Meter Cover could protect us..
  • 2.√√√[Features and Functions]blocking 99% of harmful radio frequency,block yellow dust and fine dust to protect Smart Meter.This Smart Meter Cover can reduce the radiation levels of electromagnetic fields and rediofrequency emitted by smart electric meters.Eradication of ringing in the ears caused by the radiation emitted by smart electric meter.Eliminates headaches caused by EMF and Rf radiation..
  • 3.√√√[QUALITY MATERIALS]The radiation shielding Smart Meter Cover is made by Copper/ Nickel/Polyester Fiber which is certified to provide 99.999%protecting across the frequency range of 10KHz to 3GHz.The Smart Meter Cover could reduce the radiation and emf emitted from Smart Meter.Using adjustable nylon ribbon to fix the cover, compared with stainless steel ring, more safety and better sealing.You can adjust it loos....
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AZ-86031 5 in 1 Water Quality Meter Dissolved Oxygen Tester PH Meter PH Conductivity Salinity Temperature Meter AZ86031

  • The 86031 Combo Water Testing Meter can measure the pH, Conductivity or TDS or Salinity and Dissolved oxygen depend on which kind of probe attach to the meter or user could attach three kinds of probes at the same time. So the 86031 Multiple Parameters Water Testers could be operated as the pH meter, conductivity meter, TDS meter, Salinity meter or D.O. meter as user needed..
  • We design different color connector on the meter, user only needs to screw on the probe with the same color, and then get the measuring reading accurate and fast..
  • User could change the probe or screw on the 86031 Combo Water Quality Measuring Instrument easily. And in order to avoid broken by the stone or particle attacking in the measuring environment, we have developed the specific anti-collision cap on each probe. So the 86031 Combo Water Testing Meter would be the best tool for all professional measuring purposes, including the Aquaculture, Aqua farm, LAB, swimming pool or water treatment business, or other related industry, no matter the fresh or sea water..
  • AZ 86031 Combo Water Meter- pH/Conductivity/Salt/TDS/D.O was being designed and manufactured by AZ Instrument, a well experienced manufacturer for pH EC Meter..
  • Large LCD to display multiple parameters simultaneously: pH,....
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Math Workbook GREATER THAN OR LESS THAN 100 Worksheets Grades 1-3

  • Package includes: you will receive 3 dinosaur magnetic teaching aids, sufficient quantity to meet your various teaching needs and create an effective teaching environment.
  • Proper size: each greater than or less than teaching tool measures 7.5 x 6 inch, which is large enough to be seen even by students sitting in the back row.
  • Quality material: this teacher demonstration tool is made of quality material, with laminated surface, durable and reliable, they meet the standards of mathematics products, will serve you for a long time, you and your students can use it with confidence.
  • Adorable design: this teaching aid is designed with the characteristics of dinosaurs to add fun to the boring classroom, attract children's attention, stimulate children's interest in learning, make the math concepts of greater than or less than easier for children to accept, and reduce learning worries.
  • Wide range of use: you just need to put the magnet dinosaur presentation tool on the blackboard and let different students move it to find the correct answer, so that they can understand the mathematical concept of greater than or less than.
  • This is not only a good method for group learning, but also adds fun to your classes.
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YINMIK 2nd Generation pH TDS Tester Combo with Horizontal Display Digital pH Meter Professional PPM Meter for Hydroponics Swimming Pool Aquarium Household Drinking Homebrew

  • [Fully Meet the Needs of Hydroponic Growers] pH Meter: Monitoring the pH level of the hydroponic nutrient solution to ensure it can be maximum accessed by the plants. TDS & EC Meter: Keep tracking of the amount of nutrients in your solution to prevent it from being too high or too low and hindering the healthy growth of plants..
  • [Helpful for Aquarist] pH Meter: Keep the balance of pH value of fish tank, drastic fluctuations in pH value can seriously damage the survival environment of fish. TDS & EC Meter: Monitor the amount of ionic salts in the tank to remind fish keepers when to change the water to balance the ratio of various substances..
  • [Friendly for Pool Owners] pH Meter: Keep the pool water at the right pH level, which is friendly to swimmers' skin and eyes. TDS & EC Meter: Keep the TDS value of the pool water appropriate can extend the life of the pool equipment..
  • [2nd Generation pH TDS Meter Combo] Tired of using 1st generation yellow ones with small vertical reading display? The screen of YINMIK 2nd pH TDS meter combo is designed for horizontal display, when you check the pH TDS or EC value, you can always get temperature reading simultaneously, which makes your job easier and more comfortable.
  • [What You Get] YK-P01B pH Meter *1, YK-E01B T....
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Light Transmission Meter Spectrum Transmittance Meter for Testing The Transmission Value of The Mobile Phone Lens

  • Type:Lens Transmission Meter, Spectrum Transmission Meter,Light Transmission Meter,Spectrum Transmittance Meter.
  • Accuracy: ±2%(Colorless and transparent material).
  • PL transmission meter, BL transmission meter, Light Transmittance Meter, Three function in ONE device..
  • Self-calibration and auto-calibration, NO need any manual adjustments..
  • Simple operation, putting the testing sample in the testing position, PL, BL and VL transmission values of the sample will simultaneously display..
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LaMotte N-P-K Soil Test Kit

  • 【3-IN-1 MULTFUNCTION】: The Soil Moisture Meter has the functions of soil moisture, pH, and sunlight intensity. The plant moisture meter can accurately grasp the time and amount of water needed to water the plants, and help you plant your favorite flowers and plants. (This soil tester CAN ONLY be used in soil, it CANNOT be used to test any liquids).
  • 【NEWLY UPGRADED LIGHT AREA & Probe】：The soil moisture meter is newly upgraded. The light-sensing area is larger and more sensitive than before. The upgraded version of the moisture meter probe is more durable and not easy to fall off. It allows your plants to photosynthesize better and grow healthily. The best soil moisture meter as Halloween gifts for family and friends..
  • 【EASY TO USE】:This soil ph meter uses dual needle detection technology to quickly and accurately detect soil moisture, pH, and light conditions. Just insert the sensor probe into the soil about 2-4 inches, and flip the switch to test the water, pH, and sunlight you want to measure. No batteries or electricity needed, plug and read..
  • 【WIDELY APPLICABLE】: This moisture meter is suitable for indoor and outdoor use. The design is light and portable, and it is easy to carry and use outdoors. The soil ph meter is an ideal soil t....
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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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YINMIK Digital pH Meter TDS Meter Combo Accurate Measurement for pH TDS EC Temp with ATC, 2nd Generation Water Quality Tester with Horizontal Display for Hydroponic Swimming Pool Aquarium

  • [Fully Meet the Needs of Hydroponic Growers] pH Meter: Monitoring the pH level of the hydroponic nutrient solution to ensure it can be maximum accessed by the plants. TDS & EC Meter: Keep tracking of the amount of nutrients in your solution to prevent it from being too high or too low and hindering the healthy growth of plants..
  • [Helpful for Aquarist] pH Meter: Keep the balance of pH value of fish tank, drastic fluctuations in pH value can seriously damage the survival environment of fish. TDS & EC Meter: Monitor the amount of ionic salts in the tank to remind fish keepers when to change the water to balance the ratio of various substances..
  • [Friendly for Pool Owners] pH Meter: Keep the pool water at the right pH level, which is friendly to swimmers' skin and eyes. TDS & EC Meter: Keep the TDS value of the pool water appropriate can extend the life of the pool equipment..
  • [2nd Generation pH TDS Meter Combo] Tired of using 1st generation yellow ones with small vertical reading display? The screen of YINMIK 2nd pH TDS meter combo is designed for horizontal display, when you check the pH TDS or EC value, you c....
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LED Magnetic Field Detector Ghost Hunting Paranormal Equipment Tester Portable Counter (Black, 1 PC)

  • ✅ BLOCKS SMART METER EMF RADIATION - The Smart Meter Cloak uses faraday technology to block RF (radio frequency) emsissions, specifically harmful EMF (electromagnetic field) radiation, coming from electricity meters referred to as smart meters. Placing the Smart Meter Cloak over a smart meter absorbs the EMF waves and prevents the emissions from going inside your house, office, or building..
  • ✅ INNOVATIVE DESIGN + HIGH-QUALITY STAINLESS STEEL FRAME & LID - Constructed with a high-grade double layer of 1/6" stainless steel mesh welded to a reinforced stainless steel frame, offering extreme support and shielding abilities. Stainless steel lid has two latches and faraday compression gaskets for a tight and secure RF shielding seal. When needed, a technician can open the lid and view the smart meter screen through the top layer mesh, so the Smart Meter Cloak never needs to be removed..
  • ✅ UNIVERSAL SIZE - Fits all round smart meters in the United States and Canada. The design allows for modifications to be made, should there be elements protruding on your smart meter rim, or if a tighter fit is required. The kit includes weather-proof foam strips in two sizes that can be used to line the rim of the Smart Meter Cloak, to accommodate various size meters.....
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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

  • ✔[ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Hofun ppm water tester is equipped with premium quality titanium alloy probe, which 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.).
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