Redefine Quality with Open Source Meter’s Top Picks
Experience Open Source Meter’s legacy of excellence with premium offerings for every need.
AstroAI Digital Multimeter Voltmeter Ohmmeter Ammeter Multi Tester Meter with Backlit LCD Electronic Test Meter Measures Voltage, Current, Resistance; Tests Continuity, Diode
PZEM-022 Open and Close CT 100A AC Digital Display Power Meter Voltmeter Ammeter Frequency t Voltage Factor Meter with Split CT DOOMUN
LB02 Resistance Current Voltage Meter Voltmeter, LCD Display Signal Generator Source Process Calibrator 4-20mA/0-10V/mV
Digital Clamp Ground Earth Resistance Meter Tester, LCD Display Digital Clamp Meter Ground Earth Resistance Tester with Auto Power Off, Data Storage and Data Upload
DollaTek AC 80-260V 100A Current Voltage Amperage Power Energy Panel Meter LCD Digital Display Ammeter Voltmeter Multimeter with open CT
BSIDE AC DC Clamp Meter Open Jaw Fork Digital Multimeter Rechargeable Auto Range Electrical Tester Voltage Tester Pen NCV Amp Ohm Volt U-shape Tester.
Yoiimiya40A Tuya Single Phase Din Rail WiFi Smart Energy Meter Timer Consumption Monitor KWh Wattmeter,Black with Metering
UNI-TECVV Ut33C Plus Digital Palm Size Multi Meter Voltmeter Ammeter Resistance Lcr And Temperature With Backlight
ULTRICS Digital Multimeter, Voltmeter Ammeter Ohmmeter Circuit Checker with Backlight LCD Test Leads, Portable Multi Tester Measures OHM AC DC Voltage Current Resistance Continuity Diodes Transistor
DollaTek DSO138 DIY KIT Open Source 2.4" TFT 1Msps Digital Oscilloscope Kit with DIY parts + Probe 13803K（SMD pre-soldered）
Sanwa Analog Multimeter Model YX360TRF Sanwa - Japan
EspoTekLabrador: Easy-to-Use, Open-Source, All-in-One USB Oscilloscope, Signal Generator, Power Supply, Logic Analyzer, Multimeter for Windows, Mac, Linux, Android, Raspberry Pi
FlukeT5-600 Electrical Voltage, Continuity and Current Tester, Measures Up To 100 A Without Contact, Automatically Select AC/DC Voltage For Tests, Includes Detachable SlimReach Probe Tip
Zhed Solar Panel Tester Photovoltaic Multimeter, Smart MPPT Open Circuit Voltage Troubleshooting Utility Tool, Upgraded LCD MPPT Tester with Backlight High for Solar PV Test
Kuman JYE DSO Shell Oscilloscope DIY Kit with Open Source 2.4 inch color TFT LCD+ Shell + DIY Parts + Probe 15001K (SMD pre-soldered)
Foloose Solar Panel Tester Solar Power Meter Photovoltaic Multimeter 800W Solar MPPT Meter with Large Ultra Clear LCD Smart MPPT Open Circuit Voltage Trouble Utility Tool for Solar PV Testing
Itron Centron SSEM CL200 KWH Meter, Type C1S, Form 2S, 240v RV or Home Meter
AC Current Voltage Amperage Power Energy Panel Meter LCD Digital Display Ammeter Voltmeter Multimeter with Split Core Current Transformer CT AC 80-260V 100A Multi-Function Power Monitor
AstroAI Digital Multimeter Tester 2000 Counts with DC AC Voltmeter and Ohm Volt Amp Meter; Measures Voltage, Current, Resistance, Continuity and Diode, Black
Upgraded Watt Meter Power Meter Plug Home Electricity Usage Monitor, Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Meter with Backlight, Overload Protection, 7 Modes Display-With Cord
EMF-360 EMF Meter 3-in-1 Electric Field and Magnetic Field Radiation Handheld Digital LCD RF EMF Detector Dosimeter Tester
100Meter Open Reel Fiberglass Survery Measuring Tape
MS4525 Digitals Air Speeds Sensoring Module Open Source Different Pressure Sensoring for Accurate Air Speeds Data Collection
Fluke Networks 26000900 Pro3000 Tone Generator and Probe Kit with SmartTone Technology
Proster Digital Multimeter 6000 Count - TRMS Auto Range NCV Detector DC AC Voltage Current Meter Capacitance Inductance Resistance Diode Continuity Tester
Suraielec Watt Meter, Plug-in Socket Power Meter, 90V-250V Wide Range, Backlit Large Display, Auto Cost Calculator, Overload Protection, Kilowatt Wattage Voltage AMP Tester, Electricity Usage Monitor
Sub Meter - Power India Meters SF-EC1 Single Phase Electronic Watt-Hour Meter
Tint Meter,Visible Transmit Light Rate,Rejection Rate of UVA and Solar Power.W/m² of RGB
Crenova Digital Clamp Meter, TRMS Clamp Multimeter, 6000 Counts Amp Tester for AC/DC Current/Voltage, Resistance, Capacitance, Frequency, Duty Cycle, Temperature Continuity, Diode, NCV, Live Wire Test
ANCELPB100 Automotive Power Circuit Probe Tester, 12V 24V Car Test Light Electrical Diagnostic Tool Master Kit AC DC Digital Voltage Short Finder, Relay Fuse Tester Trailer 3 System Thermometer 4
Om Meters Analog Shunt type Ohms Meter 100 Ohms (Black) with Testing leads
Upgraded Watt Meter, Watt Usage Meter Plug Home Energy Monitor Consumption, Electricity Usage Monitor, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 8 Modes Display
VDIAGTOOLV200 PRO Upgrade Kit Automotive Power Circuit Probe Tester with 30PCS Back Probe Kit, 12/24V Electrical Short and Open Circuit Finder AC/DC Voltage Test Activating Component 40Ft Cable
Meco 27-auto Digital Clamp Meter, Red
Optical Power Meter with Visual Fault Locator, Fiber Light Meter with Cable Tester Function and Li-ion Battery USB Charge for FC/SC/ST Universal Interface
Signal Generator LB01 4-20mA/0-10V/mV Versatile Resistance Current Voltmeter Source Process Calibrator LCD Display
Generic Portable LCD Digital Clamp Ampere AC DC Voltage Multi Meter Current OHM Tester (NL-VAC3-57YS), Corded Electric, 1 Piece
Digital Multimeter Tester, TRMS 4000 Counts Volt Meter Auto-Ranging Fast Tester, Measures Voltage Current Resistance Diodes Continuity Capacitance Frequency Live Wire Temperature with NCV by Beaquicy
amiciSense Digital Energy Meter Single phase 6 in 1, 40V-300V AC 100A Power Meter with Multi-Colour Display (22kW)
L&T (Larsen & Toubro Limited) Single Phase Multi-function Electric Energy LCD Sub Meter (5-30A, 2 Wire, 240V, 50Hz, 3200imp/kWh)
APTECH DEALS.COM - deals for you... Digital Multimeter LCD AC DC Measuring Voltage Current
Digital AC Voltmeter Panel Mounting Meter AC80-300V Frequency Counter 45.0-65.0 HZ LED Display Voltage Volt Frequency Meter Tester Gauge
AutelCircuit Tester, Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, Automotive Circuit Tester, Digital Multimeter/Relay & Diode Resistance Tool Kit, & 20FT Long Cord
BSIDEOpen Jaw Digital Multimeter DC AC Current Clamp Meter, Rechargeable with Smart Mode, Measures Capacitance Diode Duty Cycle Amp Resistance Hz Continuity V-Alert Live Check Environment Temperature
2024 HT Automatic Digital Multimeter -【New Version】Auto-Ranging Voltmeter, Electric Meter Tester Tool Smart Measurement, Non Contact Volt DC Amp Meter Tester Digital Voltmeter for Ac/Dc Voltage (Red)
SURAIELEC Watt Meter, Plug-in Socket Power Meter, Auto Cost Calculator, Backlit Large Display, Overload Protection, Kilowatt Wattage Voltage AMP Tester, Electricity Usage Electrical Energy Monitor
MAXRIENY AC DC Clamp Meter Open Jaw Fork Digital Multimeter Rechargeable Auto Range Electrical Tester Voltage Tester Pen NCV Amp Ohm Volt U-Shape Tester
DROK AC Meter, AC 80-300V 100A Voltage Current Power Factor Frequency Electric Energy Monitor Ammeter Voltmeter Multimeter Tester 110V 220V Digital Color LCD Volt Amp Watt Detector Reader Panel
CrocSee AC 80-260V 100A CRS-022B LCD Display Digital Current Voltage Power Energy Frequency Power Factor Multimeter Ammeter Voltmeter with 100A Split Core Current Transformer
EspoTek Labrador: Easy-to-Use, Open-Source, All-in-One USB Oscilloscope, Signal Generator, Power Supply, Logic Analyzer, Multimeter for Windows, Mac, Linux, Android, Raspberry Pi
Digital Clamp Meter Multimeter Tester,True RMS 6000 Counts Auto-Ranging/Manual Dual Measurement AC Current Capacitance, AC/DC Voltage NCV/Live Wire Resistance Frequency Diode Temperature Continuity
KZYEE KM10 Power Circuit Probe Kit, 12V 24V Automotive Circuit Tester Electrical System Tool, Digital Voltage Tester, Short Finder, AC DC Diode Resistance Current Probe Tester, 20FT+20FT Cable
ProsterDigital Clamp Meter 6000 Count - 800A AC/DC Current AC/DC Voltage Multi Tester, TRMS NCV Continuity Capacitance Resistance Frequency Diode LPF LOZ Test
Pass-through DIN Rail 120 240 Volts. KWh energy meter
Clamp Meter Digital, AC/DC Current, Electrical Tester Digital, True RMS 4000 Counts, Auto-Ranging Measures AC/DC Voltage, Continuity, Frequency, Capacitance, Resistance, Duty-Cycle, Diodes
Multi-Function Energy Meter Color Digital Energy Meter - Measurement of AC Volts, Amps, Hertz, Watts, PF and Kilowatt-Hours - GT2P-E, AC 80~270V, 0~100A, 0~25KW, 50/60Hz, Rail-Mounted Meter
BALDR U.S. Electricity Usage Monitor for Home - Kilowatt Meter Sockets - Wattage Meter Plug In Appliances to Measure Energy Usage - Home Energy Monitor with Easy to Read Display - Home Power Monitor
P60 Power Circuit Probe Kit Component Activation Short Circuit Finder Continuity Test Voltage Tester 6-30V Diode Detection Test Trailer Lights Grounding Test Jump Lead Function
Baomain Single Phase Energy Meter 2 Wire 220V DIN-rail Type Kilowatt Hour kwh Meter 60Hz 20 (100) A
Hanchen Optical Fiber Identifier Handheld Live Optical Fiber Detector Tester High Performance Tracker Single Mode/Multimode 10mw Red Light Source (Blue)
FlukeT6-600 Electrical Tester
AstroAI Digital Clamp Meter Multimeter 4000 Counts Auto-ranging Amp Tester Measuring AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Continuity, Live Wire Test, NCV Detection
Labymos 1600W Photovoltaic Panel Multimeter Solar Panel MPPT Tester Open Circuit Voltage Test Device Maximum Power Point Voltage Current Power Test Meter LCD Display with Backlight
allsun Mini Auto Range Folding Digital Multimeter Automotive Tester AC DC Volt AMP Ohm LCD Travel Voltmeter Ammeter Continuity Tester Auto Power Off EM3082
Aeotec by Aeon Labs ZW095 ZW095-A Home Energy Meter Gen5 Zwave Power Monitor Small White
Wine Refractometer,V-Resourcing Hand Held Brix/Alcohol Refractometer with ATC for Wine Making Homebrew Kit, Dual Scale(Brix 0-40%, Alcohol 0-25%)
LCD Display Digital Power Energy Meter AC 230V - 250V Power Consumption Energy Monitor Cost Calculator Watt Voltage Amp Meter
Sumnacon Multimeter Banana Plug to Crocodile Alligator Clip Test Probe, 5PC 4mm Stackable Colorful Silicone Banana Plug to Alligator Clip Test Probe Lead Wire Cable 9.8Ft/3M
REHOOF Oscilloscope Pocket-Size Digital Oscilloscope Kit 2.4 inch TFT 1Msps Open Source with Probe Spectrum Analyzer Tester Meter
Eacam MESR-100 ESR Capacitance Ohm Meter Professional Measuring Internal Resistance of Capacitor Capacitance Circuit Tester
EtekcityMsr-R500 Digital Multimeter, Amp Volt Ohm Voltage Tester Meter With Diode And Continuity Test, Dual Fused For Anti-Burn, Red
GAIN EXPRESS Handheld Digital Light/Lux Meter LUX Footcandle with Light Sensor 200,000 Lux Range Illuminance for Indoor Outdoor Grow Plants
Professional Sound Level Meter with Backlight Display High Accuracy Measuring 30dB-130dB
Digital Clamp Meter, 3 in 1 Clamp Multimeter Smart U Shape Electrical Amp Tester High Accuracy Electric Pen Current Clamp Meter AC DC Current Ohm Voltage Tester for Electricians
Zudoo Solar Panel Multimeter, 12 to 60V EY1600W Solar Panel MPPT Tester Photovoltaic PV Panel MPPT Tester Multifunctional LCD Solar Panel Tester with Backlight for Solar PV Testing
NALACAL UT210e Digital Clamp Meter AC DC Amp Meter Clamp Multimeter True RMS 2000 Counts Voltmeter Continuity Tester Capacitor HVAC Tool Multi Tester
1600W Pvoltaic Panel Multimeter Solar Panel MPPT Tester Open Ccuit Voltage Test Device Maximum Power Point Voltage t Power Test Meter LCD Display with Backlight DOOMUN
Wintact Handheld Anemometer, Digital Vane Wind Speed Meter Gauge, Air Flow Velocity Tester with Measuring Wind Temperature -10℃ to 45℃ for House HVAC Duct Outdoor Kite Boat Sailing Surfing (WT87A)
NALACAL Moisture Meter Wall Moisture Meter Masonry for Walls Wood cm Meter Screed Moisture Meter Wall Concrete Plaster Building Materials Basement Walls
Uni-T Ut333 Mini Temperature & Humidity Meter
Luqeeg Solar Panel Multimeter - Photovoltaic Panel Multimeter MPPT Tester for Solar Panels with LCD Display, Solar Panel Tester for Open Circuit Voltage
VQP Solar Panel Tester/EY800W Solar Panel Meter/PV Testing Instrument Ultra Open Circuit Voltage Auto/Manual MPPT Clear LCD
ARCHER LIFE HALL TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-999 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy（White）
Photovoltaic Panel Multimeter, 1600W Photovoltaic Panel Multimeter Solar Panel MPPT Tester Open Circuit Voltage Test Device Maximum Power Point Voltage t Power Test Meter LCD Display with Backlight
REHOOFOscilloscope ocket-Size Digital Oscilloscope Kit Open Source 2.4" TFT 1Msps with Probe and Protective Case, Welded Version Spectrum Analyzer Tester Meter
FrogBro Upgrade Solar Panel Tester Photovoltaic Multimeter Upgrade EY1600W with Ultra Clear LCD, Smart MPPT Open Circuit Voltage Troubleshooting Utility Tool for Solar PV Testing (LCD 1600W)
NALACAL DC 9 in 1 Battery Monitor Meter with Shunt, 0-200V 0-100A LCD Display Digital Current Voltage Power Energy Meter, Easy Installation Multimeter Voltmeter Ammeter for Cars RV Solar System
UNI-T UT210D Digital AC/DC Current Voltage Resistance Capacitance Clamp Meter
Morelian 2in1 Digital Oscilloscope Multimeter 48MSa/s Sampling Rate 10Mhz Bandwidth 9999 Counts True RMS 2.8inch IPS Color Display Multimetro
Eacam 6000 Counts Digital Multimeter Smart Anti-burn Rechargeable Universal Meter NCV Tester 5-inch Large LCD with Backlit Flashlight for Voltage Current Resistance Capacitance Temperature Measurement
TERRIFI Current Analyzer, 2pcs 150A High Precision Meter Power Analyzer Battery Consumption Performance Amp Meter Power Monitor with Backlight Digital Lcd Screen for Tester Circuit
UNI-T UT603 Inductance Capacitance Meters LCR Meter Manual Range Cap Ohm Meter
HTRC 200A High Precision Power Analyzer Multi Meter for Measuring Power Watt (W) Voltage (V) Current (A) Charge (Ah) Energy (Wh)
Wood Moisture Meter - Digital Moisture Detector Moisture Tester, Pin-Type Water Leak Detector Damp Tester Dampness Meter for Wood Building Material Firewood Walls Paper Floor (Sliver)
