Best Sellers Diamond Tester Pen+60X Mini LED Magnifying,High Accuracy Jewelry Diamond Tester Tool,Environmental Protection 9V Battery,Professional Diamond Selector for Novice and Expert

  • ...es. Both items are small and can fit into any purse or backpack. Hqdz’s Diamond Tester Pen and 60X LED Lighted Loupe combo is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry..
  • ✔【Application Range】Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office..
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Diamond Digger

  • Identifies, detects and separates diamond from CZ, moissanite and white sapphire with New Enhanced M.
  • New Enhanced Moissanite Testing Technology for low conductivity stone identification.
  • LED stone illumination and UV fluorescence detection,Retractable probe tip with enhanced durability.
  • Powered by MICRO USB or with its included rechargeable NiMH batteries, or your AAA Akaline Batteries.
  • Unprecedented 10-YEAR PROBE TIP WARRANTY.
  • Lifetime Limited Replacement Warranty on the tester.
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Manometer Gas Pressure Tester,Manometer HVAC,Digital Manometer Gas Pressure Tester,Manometer LP Gas Pressure Tester,Digital Manometer HVAC for Temperature and Pressure Testing

  • 【Widely Used】This manometer gas pressure tester can be extensively used in natural gas pipelines, air conditioning and refrigeration ventilation systems, mechanical hydraulics, plastic molding, ceramic products manufacturing, biopharmaceutical molding, mining pressure testing, petrochemical Industrial smelting, gas, liquid and production industrial equipment pressure detection, liquid level detection, Laboratory calibration, medical environment micro-pressure testing, etc..
  • 【High Quality & LCD Backlight Display】The hand-held digital pressure gauge is made of high-quality ABS material, which is resistant to falling and durable. The manometer hvac with 4.45cm × 4.95cm high-definition display screen, which is clear and easy to read. The manometer lp gas pressure tester also supports LCD backlight display, and can easily read data even in dark environments..
  • 【Single and Dual Channel Test】There are two ports on the top of the digital manometer gas pressure tester. With a single channel it is possible to quickly measure the current detection pressure value(relative to the current atmospheric pressure) whereas the dual channel allows simultaneous detection of the pressure difference between the two detection ports( P1-P2....
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Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+200g/0.01g Mini Jewelry Scale+60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

  • ...re small and can fit into any purse or backpack. Diamond Tester Pen and 60X LED Lighted Loupe combo and 200g/0.01g Mini Jewelry Scal is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry..
  • Application Range:Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.fast and safe This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds. If you have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to learn slowly..
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Gemoro Testerossa Diamond, Moissanite & White Sapphire Tester

  • Identifies, detects and separates diamond from CZ, moissanite and white sapphire with New Enhanced M.
  • New Enhanced Moissanite Testing Technology for low conductivity stone identification.
  • LED stone illumination and UV fluorescence detection,Retractable probe tip with enhanced durability.
  • Powered by MICRO USB or with its included rechargeable NiMH batteries, or your AAA Akaline Batteries.
  • Unprecedented 10-YEAR PROBE TIP WARRANTY.
  • Lifetime Limited Replacement Warranty on the tester.
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Bluelab METCOMPLUS Combo Meter PLUS for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS) Testing Kit for Hydroponic System and Indoor Plant Grow

  • Monitor 3 parameters in water and soil: Conductivity (TDS) level to ensure plants get the balanced feed, pH up and down, and temperature with lab quality glass probe.
  • Gereral uses include growing tent, swimming pool, drinking water, and aquarium.
  • This hydroponics meter has ATC that provides consistent reading regardless of any fluctuations in temperature.
  • Leap pH probe works in multiple growing environments.
  • Conductivity scales include EC, PPM, and CF.
  • Combine with Bluelab pen, tester, monitor and controllers for full indoor garden nutrients monitoring in water and soil.
  • pH probe requires easy two point calibration.
  • Conductivity / temperature probe are factory calibrated and ready for use.
  • Other features: Auto off function, low battery indicator, units for temperature.
  • KIT INCLUDES: AAA batteries, ph probe storage cap, and calibration solution, probe care kit is sold separately.
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers.
  • 5-Year Limited Warranty with proof of purchase (6-month warranty for probes).
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SeedRanch Falcon IV Turf Type Tall Fescue Grass Seeds - 50 lbs.

  • Monitor pH up and down, temperature, nutrient (TDS) level in water to maximize your grow and ensure plants get a balanced feed.
  • General uses includes growing tent and reservoir.
  • Selectable conductivity units include TDS, EC, ppm 500, ppm 700 and CF.
  • This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature.
  • High and low alarm when outside parameters, selectable units include TDS, EC, ppm 500, ppm 700 and CF.
  • Lab quality glass pH probe with easy two point calibration.
  • Conductivity / temperature probe comes factory calibrated so it's ready to be used.
  • Double junction probe is more accurate than test strips and drops.
  • Combine with Bluelab pen and meter for full garden nutrients monitoring in water and soil.
  • Other features: International power supply, water resistant design.
  • KIT INCLUDES: Calibration solution, EC probe and pH probe, probe care kit is sold separately.
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers.
  • 2-Year Limited Warranty with proof of purch....
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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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Inline Spark Tester Engine Ignition - Small Engine Plug Ignition Straight Boot Tester Light, Spark Plug Coil Diagnostic Detector Tool for Car/ Lawn Mower/ Automotive/ Vehicles Engines (2 Pcs)

  • Wide Applications ➤ ASUTIN automotive spark tester is suitable for all internal combustion engines, cars, trucks, motorcycles, lawn mowers, chainsaws, trimmers, engines, etc. The coil on plug tester is suitable for any personal, domestic, commercial, mechanical, industrial and other engine spark plug use..
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