here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
Test & Measurement Tools
Hi! I'm Newegg's Test & Measurement Tools expert. Go ahead and ask me any questions you might have. I'm here to help.
Gain Express Gemological Refractometer 1.30 to 1.81 Ri Range
Limited time offer, ends 10/10
$286.47
Free Shipping
Universal Battery Tester: Volt Checker, Load Analyzer, Display Check for AAA, AA, C, D, 9V, 3.7V, 1.5V Button Cell Household Batteries by TAOBAO
Limited time offer, ends 10/10
$29.67
Free Shipping
Insulation Tester Resistance Meter for Electrical Testing 250V / 500V / 1000V Output Voltage 750V AC Voltage Megohmmeter with Blacklight and Buzzer Alarm
Limited time offer, ends 10/10
$194.67
Free Shipping
Professional Sound Level Calibrator Decibel Meter Calibration with Three Calibration Level at 94dB & 104dB & 114dB, SPL Meter Calibrator for dB Noise meter
Limited time offer, ends 10/10
$239.34
Free Shipping
Jewelers Loupe Hasting Triplet Loupe 10X with 18mm Optic Lens, Jewelry Magnifying Glass 10X Hand Lens for Jewelers, Gemologists, Collectors
Limited time offer, ends 10/10
$41.67
Free Shipping
Digital Angle Finder Magnetic Protractor Inclinometer Angle Level Meter Tool Digital Protractor Bevel Gauge for Woodworking, Table Saw, Construction V-Groove 0~360 degree with Backlight
Limited time offer, ends 10/10
$149.94
Free Shipping
Digital K-Type Thermometer Dual Channel Thermocouple Thermometer with 2 Thermocouples, Measuring Range: -50 to 1300°C (-58 to 2372°F), High-Temperature Meter Measurement Sensor
Limited time offer, ends 10/10
$83.94
Free Shipping
Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement Accuracy Check
Limited time offer, ends 10/10
$329.67
Free Shipping
Thermocouple Thermometer Digital K Type Dual Channel Thermometer HVAC Temperature Meter with 4 Thermocouples, MAX/MIN/AVG Temperature Measurement, -50~1300°C (-58~2372°F)
Limited time offer, ends 10/10
$83.67
Free Shipping
Thermocouple Thermometer Digital K/J/T/E/R/S/N Type Dual Channel Thermometer with Backlight, HVAC Temperature Meter with 2 Thermocouples, MAX/MIN/AVG Temperature Measurement
Limited time offer, ends 10/10
$71.67
Free Shipping
Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size
Limited time offer, ends 10/10
$29.94
Free Shipping
Rechargeable Solar Panel Tester MPPT Meter Solar Power Tester, 2000W 90V/40A PV Panel Monitor, Auto/Manual Test, LCD Screen, TPR Anti-Drop, Overvoltage/Overcurrent/Reverse/Temp Protection
Limited time offer, ends 10/10
$158.67
Free Shipping
Foldable Jadeite Filter Gem Identifier Tool Gem Testing Gemstone Tool
Limited time offer, ends 10/10
$59.67
Free Shipping
Water Quality Meter 6 in 1 Parameters COD, TOC, UV275, TDS, EC, and Temperature Color Screen Display Backlight Indicator Waterproof Water Test Kits with Intelligent Scoring Mode for Drinking Water
Limited time offer, ends 10/10
$143.67
Free Shipping
Jewelers Loupe Magnifier, Foldable Jewelry Loupe 10X + 25X, Eye Loop and Jewelry Magnifying Glass for Gem Stone, Diamond, Coins, Stamps
Limited time offer, ends 10/10
$59.67
Free Shipping
Light Meter Illuminance LuxMeter Handheld Photometer LUX/FC Switchable Units 0.1 to 200,000 LUX and 0.01 to 20,000 FC with LCD Backlight for Indoor Outdoor Film Photography lumens
Limited time offer, ends 10/10
$68.67
Free Shipping
Jewelers Loupe 20x Magnification Jewelry Loop, Foldable Jewelry Magnifier Hastings Triplet 20x Loupe for Stamp & Coin Collectors, Hobbyists, Watches
Limited time offer, ends 10/10
$47.67
Free Shipping
Digital 2-in-1 Soil EC & Temperature Tester | IP67 Waterproof | Switchable / | Easy One-Point Calibration | User-Friendly Interface | Accurate Soil Salinity & Nutrient Analysis
Limited time offer, ends 10/10
$107.67
Free Shipping
Diffraction Spectroscope, Pocket Grating Gemological Spectrometer for Quick Gemstone Identification and GIA Use
Limited time offer, ends 10/10
$101.94
Free Shipping
Handheld Durable Small Diffraction Spectroscope 55mm Jewelers Eye Loupe Jewelry Magnifier for Gems Jewelry Rocks Stamps Coins Watches Hobbies Antiques Gems, Coins, Stamps
Limited time offer, ends 10/10
$95.67
Free Shipping
Bench Type Polariscope LED Light with Glass Rotatable Filters Moissanite,Gemstone,Amethyst,Diamonds
Limited time offer, ends 10/10
$317.67
Free Shipping
Gain Express Jewelers Loupe Magnifier, Jewelry Loop Magnifier with Light, Hastings Triplet Loupe 10X for Coin, Gem, Stamp, Diamond etc (White LED & UV Light)
Limited time offer, ends 10/10
$59.76
Free Shipping
Illuminated Jewelers Loupe Magnifier 40x, Rechargeable Jewelers Loupe Foldable Jewelry Magnifier LED Loupe with 6 LEDs & UV Light for Gems, Jewelry, Coins, Stamps, etc
Limited time offer, ends 10/10
$59.67
Free Shipping
360° Digital Long Level Inclinometer Angle Finder Ruler Protractor 42cm with Magnets/Backlight/Vertical & Horizontal Spirit Bubble for Construction Carpenter Craftsman Renovation Home Professional
Limited time offer, ends 10/10
$80.67
Free Shipping
Jewelers Loupe Magnifier, Jewelry Loop Magnifier with Light, Hastings Triplet Loupe 30X, Jewelry Magnifying Glass for Coin, Gem, Stamp, Diamond etc (White LED & UV Light)
Limited time offer, ends 10/10
$59.67
Free Shipping
Darkfield Loupe with Flashlight LED Jewelry Magnifier Loupe, Polariscope 18mm 10x Handheld Dark Field Hastings Loupe Gemstones Gemological Testing Diamond Jeweler Tool
Limited time offer, ends 10/10
$74.67
Free Shipping
Jewelers Loupe Magnifier, Foldable Jewelry Loupe 15x Magnification with Chelsea/Jadeite Filter Gemstone for Gems, Emerald, Green Stones, Stamp, Diamond
Limited time offer, ends 10/10
$65.67
Free Shipping
Rechargeable Jewelers Loupe 20X, Jewelry Loupe with UV & LED Light, Foldable Hasting Triplet Magnifier, Illuminated Eye Loop Jewelry Magnifying Glass for Gemstone, Coins and Stamps(4 Lights Mode)
Limited time offer, ends 10/10
$59.67
Free Shipping
Illuminated Jewelers Loupe Magnifier 30x, Rechargeable Jewelers Loupe Foldable Jewelry Magnifier LED Loupe with 6 LEDs & UV Light for Gems, Jewelry, Coins, Stamps, etc
Limited time offer, ends 10/10
$71.67
Free Shipping
Illuminated Jewelers Loupe Magnifier 10x, Rechargeable Jewelers Loupe Foldable Jewelry Magnifier LED Loupe Triplet with 6 LEDs & UV Light for Gems, Jewelry, Coins, Stamps, etc
Limited time offer, ends 10/10
$62.67
Free Shipping
FNIRSI HS01 Soldering Iron Kit DC/PD(96W/65W) 6S Fast Heating | 180-7806 Soldering Tips, Digital OLED Screen Display, Auto Sleep, Micro Soldering Pen Tool for Electronics Repair
Limited time offer, ends 10/10
$170.94
Free Shipping
FNIRSI HS01 Soldering Iron Kit DC/PD(96W/65W) 6S Fast Heating | 180-7806 Soldering Tips, Auto Sleep, Digital OLED Screen Display, Micro Soldering Pen Tool for Electronics Repair
Limited time offer, ends 10/10
$179.94
Free Shipping
FNIRSI HS01 Soldering Iron Kit DC/PD(96W/65W) 6S Fast Heating | 180-7806 Soldering Tips, Digital OLED Screen Display, Auto Sleep, Micro Soldering Pen for Electronics Repair
Limited time offer, ends 10/10
$161.94
Free Shipping
FNIRSI LCR-ST2 100kHz LCR Meter Tweezer SMD Component Tester, ESR/Q/D//X | Auto Resistor Inductor Capacitor Tester, Diode Continuity Voltage Test, Auto Sort & Compare, Full-Band Scan (No Kelvin Clip)
Limited time offer, ends 10/10
$131.94
Free Shipping