Reviews User Testing Objectives

High Accuracy Diamond Tester,Practical Jewelry Diamond Selector II,Moissanite Tester,Portable Testing Tool Set,Simple and Accurate Operation for Novice and Expert

  • PORTABLE AND COMPACT：This diamond tester is equipped with a PU bag and small testing tray for holding loose stones. It is lightweight and compact in size, which is easy and convenient to carry..
  • ACCURATE TESTING：Moissanite tester is non destructive testing, simple and accurate operation, low power consumption, low battery alarm (red light indication) for Moissanite Tester. After 10 minutes' use of Moissanite Tester, the power indicator light (green light is automatically turned off) and long beep sounds will alert the user to turn off the instrument..
  • FOR COLORLESS MOISSANITE：Diamond testing tool is a matching instrument. It is only used for the distinction of colorless Moissanite..
  • WIDE APPLICATION：Diamond selector II can help you to distinguish whether your diamond is real or fake. Green indicator will be shown on it if the stone is a real diamond. It will make continuous buzzing sounds when the user accidentally touches metal rather than stone..
  • SERVICE GUARANTEE：We have a professional customer service team. Please contact customer service in time if you have any questions, we will solve them as soon as possible. Hope you have a good shopping experience. Please allow a slight error due to manual measurement..
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Rely On Yourself

  • Highly accurate testing: test strips for use with the CONTOUR NEXT range of blood glucose meters(1,2).
  • No coding technology: fast, highly accurate(1,2) results in seconds with one less step in testing and eliminates errors due to user miscoding.
  • Self testing: monitor blood glucose levels with an at-home test and tiny 0.6uL blood sample.
  • Second-chance sampling: allows you to apply more blood to the test strip being used, which may help prevent wasting test strips and save money(4).
  • Compatibility: can be used with any of the CONTOUR NEXT portfolio of blood glucose meters.
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Shades of Omano

  • OUR TOP SELLING MICROSCOPE for students made with all metal construction and real precision ground glass optics. You get high magnification and very....
  • BINOCULAR STYLE with rechargeable LED illumination. This system gives you amazing clear, sharp views. It's packed with professional features and solid....
  • ERGONOMIC 45 DEGREE INCLINE makes it comfortable and easy to use hour after hour. The head rotates a full 360 degrees with 2 Wide Field WF10x....
  • FOUR 185mm ACHROMATIC OBJECTIVES for super clear vision and light gathering. They are parcentered, coated, and parfocal. The objectives are 4x, 10x,....
  • Unbeatable Quality – A 6-time Gold Aware winner for Best Online Microscope Retailer, Omano provides superior microscopes that offer premier optical....
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80x100 Monocular Telescope with Smartphone Holder & Tripod, WOCELBY 2022 High Power Prism Compact Monoculars for Adults Kids HD Monocular Scope for Bird Watching Hunting Hiking Concert Traveling

  • 10x magnification and 25mm objectives lens, the Solo Monocular is a small, lightweight optic with fully multi-coated lenses, increasing the light transmission and resolution giving you the clear, crisp images you want..
  • The monocular is fully rubber armored providing a non-slip grip to the user and making it extremely durable..
  • Nitrogen purged and o-ring sealed, the Solo delivers waterproof and fogproof performance in any environment..
  • The adjustable eyecup allows for comfortable viewing with or without glasses..
  • Field of View: 315 feet/1000 yards|6 degrees.
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OMAX 40X-2500X LED Lab Trinocular Compound Microscope with Double Layer Mechanical Stage

  • Total magnification: 40X-100X-250X-400X-1000X-2500X.
  • Objectives: achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil).
  • Viewing head: 45 degrees inclined 360 degrees swiveling trinocular.
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OMAX 40X-600X Professional Trinocular Polarizing Microscope

  • Head: Trinocular 45 degrees inclined 360 degrees rotatable.
  • Eyepieces: a pair of wide field WF10X/18 (one with crosshair reticle).
  • Objectives: Strain free achromatic, DIN 4x, 10x, 40x (spring), 60x (spring).
  • Condenser: NA1.25 Abbe Condenser with iris diaphragm and filter holder.
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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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RMS Thread for Microscope Objective to M42 x 1 mm Converter Cone Only Adapter

  • This adapter allows RMS thread (.8" x 36 tpi) objectives.
  • Can Also be used if you have a M42 x 1mm to your camera adapter and you can use microscope objectives with movie cameras, DOF systems and other devices..
  • The cone-shaped adapter is 52 mm in height..
  • Please Note : the sale is only for the adapter and not the lens. Lens is only shown for pictorial description of the usage of the adapter.
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CONTOUR NEXT Blood Glucose Test Strips 70 Count

  • Highly accurate testing: test strips for use with the contour next range of blood glucose meters(1,2).
  • No coding techology: fast, highly accurate(1,2) results in seconds with one less step in testing and eliminates errors due to user miscoding.
  • Self testing: monitor blood glucose levels with an at-home test and tiny 0.6uL blood sample.
  • Second-chance sampling: allows you to apply more blood to the test strip being used, which may help prevent wasting test strips and save money(4).
  • Compatability:  can be used with any of the CONTOUR NEXT portfolio of blood glucose meters.
Check Stock