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 🔥 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

$26.90 on Amazon

#3 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

$18.99 on Amazon

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

$132.99 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)

$25.99 on Amazon

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

$112.09 on Amazon

#7 🔥 Floating Smart Pool Monitor TEKCOPLUS Floating Smart Pool Monitor, IP67 Waterproof Digital Pool Thermometer 6-in-1 Bluetooth Pool Water Meter Tester for EC, Salinity, pH, ORP, Temperature, and Chlorine for Swimming Pools, Hot Tubs, Pond

$58.99 on Amazon

#8 🔥 Handheld Digital Oscilloscope TEKCOPLUS Handheld Digital Oscilloscope Multimeter, DSO152 2.8" TFT Kit - Portable Automotive Pocket Oscilloscope, 2.5MS/s High Sampling Rate, 200KHz Bandwidth, Trigger Function Auto/Normal/Single

$31.09 on Amazon

#9 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

$31.99 on Amazon

#10 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

$11.59 on Amazon

#11 Sound Level Calibrator Decibel TEKCOPLUS Sound Level Calibrator,Decibel Meter Calibration with Noise Measurement Reader,Output Sound Level 94dB & 114dB output levels for 1 inch and 1/2 inch Microphones

$108.90 on Amazon

#12 2 in 1 Salt Tester Digital TEKCOPLUS 2 in 1 Salt Tester Digital Salinity Meter with ATC Salinity and Temperature Meter Waterproof IP67 Pen Type Salinometer ppt Aquariums, and Koi Fish Pond for Saltwater Seawater, Hydroponics, Water, Pool

$28.90 on Amazon

#13 🔥 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

#14 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)

$22.59 on Amazon

#15 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

$32.90 on Amazon

#16 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

#17 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

$19.09 on Amazon

#18 Range 0 32% Brix Refractometer TEKCOPLUS Range 0-32% Brix Refractometer with ATC, Brix Meter for High-Concentrated Sugar Solution Content Test Tool 0.2% Division, Refractometer Check Growing Plants Ripeness for Making Juice, Brandy, Beer

$21.90 on Amazon

#19 3 in 1 Antifreeze Refractometer TEKCOPLUS 3-in-1 Antifreeze Refractometer, Battery Coolant Refractometer Antifreeze Tester for Checking Freezing Point, Battery Fluids SG with ATC, Battery Check-up Test, Coolant + Extra LED Light & pipettes

$17.59 on Amazon

#20 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

$115.59 on Amazon