#tekcoplus

Professional 18mm 10x Handheld Darkfield Loupe LED with Flashlight, Dark Field Hastings Loupe Magnifier

Handheld 3 in 1 Metal Wood Studs Detector Iron Finder AC Voltage Scanner Wire Tracker

Window Tint Film Coating Visual 0 to 100 Light Transmission VLT Transmittance Glass Thickness Haze 30mm Meter Checker Tester Sensor for all kinds of Transparent Translucent Automobile Aerospace Glass

Brix Refractometer Range 0-10 Brix Testing synthetic machining Coolants, maple sap, Cutting Liquid, CNC, For maple syrup makers, low-concentrated sugar solutions, Tea, ATC +LED light & pipettes

Optics Alcohol Refractometer 0-80 Volume Percent ATC for Alcohol Liquor Production Spirit Alcohol Measurement Ethanol with Water Distilled Beverages Winemakers with Extra LED Light & pipettes

Brix Refractometer with ATC, range 0-32 Brix with 0.2 division, for brandy, beer, fruits, Cutting Liquid, with EXTRA LED light and pipettes

Optics Honey Sugar Moisture Brix Baume Refractometer ATC, Tri-Scale 58-90 Brix, 38-43 Be' 12-27 Water, Beekeeping, Maple, w/Extra Dioptric Oil , Reference

Digital Light Lux Meter Measurement Range 0-200, 000 Lux Auto Ranging Instrument Used in The Home, Light Pollution Outdoors

High Accuracy Professional 2pt Jewel Stone Combo Gem Jewelry Jeweler Tester Test Selection Tool Kit selector Meter Device for Diamond Moissanite Metal Gemstone Novice and Expert

0-14 pH 300cm 3000mm 118in Replacement BNC Probe Electrode Connector Cable Sensor for Monitor Controller Tester Meter Kit Aquarium Hydroponics Plant Pool Spa ph of Saltwater or seawater

Automotive Car Repair Diagnostic Tool Cable Circuit Wire Breaker Finder Tracker Short Open Finder Tester Checker Device

Mini Portable Paint Car Coating Paint Thickness Digital Gauge Meter Tester for Enamel Plastic Epoxy Iron Aluminum

Professional Optics Salinity 0-10 Sea Water Refractometer ATC, Dual Scale for Salt Sea Water Aquarium Tank, Marine Industry, with LED Light and pipettes

5-in-1 PH EC CF TDS Temperature Water Quality Rechargeable Multi-Parameter Wall-Mount Test Meter with Backlight Continuous Monitor Tester for Aquariums Hydroponics Pool Drinking Water Laboratory

TEKCOPLUS Digital Salinity Salt Water Quality Meter Water Pool and Koi Fish Pond with Temp Tester IP65

2 in 1 Kit Salinity/TDS & Temperature Meter Monitor 0 14.0pH Measure Range Automatic Calibration Function for Hydroponics, Aquariums, Drinking Water

Clinical Refractometer ATC 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

Automotive Analyzer Brake Fluid Tester Test Monitor Car Oil Quality Diagnostic Tool 180 Pucker Oil Inspect LED Light Sound Alarm

10x with 25mm with LED, Focused Eye Loupe Jewelry Magnifiers for Gems, Hobbies Antiques Models, Textile Optical, Embroidery, Circuit Board, Coins, Interchangeable Reticle Scale

Pen Type Salinity & Temp Meter Measurement Units All-in-1 Checker Quality Tester ATC NaCl, 100 PPT / 9999 ppm / 10 / 0.95-1.08 SG for Pond Pool Saltwater Aquarium Cooking Seawater Drinking Water

Digital 3-in-1 Indoor Air Quality Meter CO2 Meter/Themometer/Humidity Monitor 9999ppm Logger Indoor Air Quality ABC CO2 Automatic Background Calibration

Digital Universal Battery Tester Battery Checker for all battery C AA AAA D N 9V 1.5V ButtonCell Small Mini Batteries

110V Automatic Circuit Breaker Finder Tracer AC Circuits/Fuses, LED Signal Receiver Transmitter Fuse Socket, Plugs, Lighting, Lamp Socket & Outlet Adapters

Salinity Refractometer w/ ATC 0-28%, 0-280 ppt of NaCl, Measuring Sodium Chloride in Food, Salt, Seawater, soy sauce, Brine 0.2% division, made of ALUMINUM, wit

Wireless Weather Station with 3 Outdoor Sensor Wireless, Clock ,Alarm, Temperature, Humidity,Easy to Read Display With LED Back-light

Indoor Outdoor 3 remote sensor Wireless Weather Station monitor Weather forecast LED Backlight Temperature Humidity WWVB RCC Moonphase