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

$108.90 on Amazon

#3 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

#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

$12.59 on Amazon

#5 Gem Spectroscope Focusing TEKCOPLUS Gem Spectroscope Focusing Prism Gemstone Spectroscope with Adjustable Focus Gemology Spectrometer 400-700nm Range for gemological Testing, Antique, Jewelers, Fairs, and Gemstone Identification

$45.90 on Amazon

#6 🔥 🆕 10kHz LCR Meter Tweezer TEKCOPLUS 10kHz LCR Meter Tweezer, ESR Meter, Mini SMD Multimeter, Capacitance Inductance Continuity Diode Tester, Measurement Electronic Component Multimeter, Rechargeable Component Diode Tester-LCR-ST1

$32.90 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 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

$129.90 on Amazon

#9 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)

$25.90 on Amazon

#10 🔥 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

$18.90 on Amazon

#11 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)

$20.90 on Amazon

#12 Automotive Circuit Tester TEKCOPLUS Automotive Circuit Tester, Car Repair Cable Circuit Wire Tracker Tracers Analyzer Short Open Finder Tester Checker Device Detector Probe DC 6-42V Car Diagnostic Tool

$25.90 on Amazon

#13 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

#14 🔥 Digital 4 Channel K Type TEKCOPLUS Digital 4 Channel K Type Thermocouple Thermometer Recorder with 8G SD Card Programmable Temperature Data Logger with Alarm Function Thermocouple Reader K Type Thermometer with 2 Thermocouples Probe

$134.09 on Amazon

#15 2 in 1 Temperature pH TEKCOPLUS 2 in 1 Temperature pH Monitor Meter Tester Sensor test Kit 0~14.0 pH Automatic Buffer Recognition BNC electrode Probe for Hydroponics Aquarium Lab Testing Food Drinking Water pH of saltwater/seawater

$36.90 on Amazon

#16 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

$17.90 on Amazon

#17 Heavy Duty Calcite Dichroscope TEKCOPLUS Heavy Duty Calcite Dichroscope Gemstone Tester Trichoic Pleochroic Colors Gemstone Identification Gemstones Gemological Testing Diamond Jeweler Tool Metal Body Gemology

$32.59 on Amazon

#18 🔥 Floating Smart Digital TEKCOPLUS Floating Smart Digital Pool Thermometer - 6-in-1 Bluetooth Water Meter, IP67 Waterproof, Tests EC, Salinity, pH, ORP, Temperature, Chlorine for Swimming Pools, Hot Tubs, Ponds

$55.90 on Amazon

#19 Digital Sugar Brix Refractometer TEKCOPLUS Digital Sugar Brix Refractometer, 0–55% Brix Meter with ATC, ±0.2% Precision Rechargeable Sugar Content Meter for Juice, Wine, Beer, Sugary Drink, Liquid Suger Content Measurement, IPX6 Waterproof

$41.90 on Amazon

#20 Electromagnetic Electric/Magnetic TEKCOPLUS Electromagnetic Electric/Magnetic Field Radiation Digital Color-Screen EMF Tester Meter Monitor Sensor Detector Household Measuring Equipment or Ghost Hunting (Rechargeable)

$33 on Amazon