TEKCOPLUS best sellers

#1 10x Foldable Pocket Magnifier TEKCOPLUS 10x Foldable Pocket Magnifier Loupe with UV and LED Light for Jewelry, Rocks, Coins, and Antiques - Illuminated Magnifying Tool for Eye, Stamps, Watches, Hobbies, and Gems

$19.90 on Amazon

#2 🔥 Electricity Monitor TEKCOPLUS Electricity Monitor, Digital Power Overload Protection LCD Plug in Power Watt Voltage Meter, 8 Display Modes for Energy Saving, Watt Meter Outlet, Energy Consumption Factor, Power Consumption Monitor

$22.90 on Amazon

#3 Diamond Tester Jewelry TEKCOPLUS Diamond Tester Jewelry Gem Stone Tester Moissanite Tester Professional 2pt Jewel Stone Combo Tester Kit for Diamond, Moissanite, Metal and Gemstone Selection - High Accuracy Jeweler Test Meter Device

$112.59 on Amazon

#4 Portable Skin Fat Caliper TEKCOPLUS Portable Skin Fat Caliper Tester mm inch LCD Screen Athletic Women/Men Body Tools Monitoring Kit Handheld Body Fat Caliper

$11.99 on Amazon

#5 Laser Photo Tachometer TEKCOPLUS Laser Photo Tachometer Motor Speed Gauge Tester Non-Contact RPM Meter Motor Speed Gauge Gun - Accurate RPM Measurement with Rotational Record (Tachometer + 10 Reflective Tape)

$27.99 on Amazon

#6 🔥 Decibel Meter 13 inches TEKCOPLUS Decibel Meter 13 inches 30~130dB Sound Level Meter, Large LCD Display Wall Hanging Sound Gauge, Noise Level Detector, Decibel Monitoring Device, Time, Temperature, Humidity for Studio Classroom Home

$52.59 on Amazon

#7 🔥 Pocket Sized Handheld TEKCOPLUS Pocket-Sized Handheld Diffraction Spectroscope - Portable Grating Gemological Spectrometer with Jewelers Eye Loupe for Quick Gemstone Identification

$32.90 on Amazon

#8 Laser Photo Tachometer TEKCOPLUS Laser Photo Tachometer Motor Speed Gauge Tester Non-Contact RPM Meter Motor Speed Gauge Gun - Accurate RPM Measurement with Rotational Record (Digital Tachometer)

$22.90 on Amazon

#9 3 in 1 Clinical Refractometer TEKCOPLUS 3-in-1 Clinical Refractometer with ATC for Tri-Scale Serum Protein 0-12 g/100ml Urine Specific Gravity SG 1.000-1.050 Refractive Index 1.333-1.360RI w/Extra LED Light & Pipette for Human Use

$18.90 on Amazon

#10 0 10% Brix Refractometer TEKCOPLUS 0-10% Brix Refractometer for Testing Sugar Content Maple sap Syrup, Low-Concentrated Sugar Solutions, Tea, Portable Hand Held Sugar Content Measurement with ATC Function and LED Light, pipettes

$18.59 on Amazon

#11 Window Tint Meter Car TEKCOPLUS Window Tint Meter, Car Film Transmission Meter Window Tint,VLT Tester Coating 0 to 100% Visual Light Transmission for Measuring Film, Filmed Glass, Window Tint, Side Windshield

$132.99 on Amazon

#12 Chelsea Filter for Gemstone TEKCOPLUS Chelsea Filter for Gemstone Identification Quickly Distinguish Genuine Emeralds, Rubies, Sapphires, Aquamarine Glass Filter, Reliable, Portable Ideal for Gemologists and Jewelers

$21.59 on Amazon

#13 Digital RPM Tachometer TEKCOPLUS Digital RPM Tachometer 10-99999 RPM High Accuracy Laser Non-Contact RPM Meter with Reflection Tape, LCD Backlight & Max/Min/AVG, Data Hold, RPM & Counting Speed RPM Tester Rotational

$18.09 on Amazon

#14 🔥 Diamond Tester Jewelry TEKCOPLUS Diamond Tester Jewelry Gem Stone Tester Kit – Professional 2-in-1 Tester for Diamonds, Moissanite, Metals, and Gemstones

$112.90 on Amazon

#15 Handheld Diffraction TEKCOPLUS Handheld Diffraction Spectroscope, Pocket-Sized Grating Gemological Spectrometer in a Gem Tool Jewelers Eye Loupe for GIA Use and Quick Identification Gemstone Jewelry Magnifier

$32.90 on Amazon

#16 0 14 pH Electrode Probe TEKCOPLUS 0-14 pH Electrode Probe, pH Meter with Replacement BNC Connector and 300cm Cable Sensor for ph Monitor Controller Tester Meter Kit Set for Aquarium Hydroponics Plant Pool Spa

$17.90 on Amazon

#17 Decibel Meter Sound TEKCOPLUS Decibel Meter, Sound Level Meter,Portable Noise monitor with 30dB~130dBA Measuring Range, LCD Backlight Display, Compact Tripod Mount, Noise Measurement Professional Instrument

$28.99 on Amazon

#18 4 in 1 Antifreeze Refractometer TEKCOPLUS 4-in-1 Antifreeze Refractometer, Coolant Refractometer with ATC for Checking Car Antifreeze System, Glycol, Battery Fluid, Propylene Ethylene, Windshield Fluid, antifreeze freezing point

$19.90 on Amazon

#19 3 in 1 Animal Clinical TEKCOPLUS 3-in-1 Animal Clinical Refractometer, Veterinary Refractometer, Scale Clinical Refractometer for Cat and Dog Urine Specific Gravity and Serum Protein Health Index with ATC

$19.09 on Amazon

#20 6 in 1 Automotive Car TEKCOPLUS 6 in 1 Automotive Car Refractometer with ATC Windshield Fluid, Coolant Charge Specific Gravity Density Condition

$17.99 on Amazon