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FaucetsSafety Equipment and GearAir QualityAlarm SystemsAll Garage StorageAll Home SecurityAll Renewable EnergyAsphalt, Concrete & MasonryBathroom Cabinets & FixturesBathroom PlumbingBreakers, Distributors, and Load CentersCable ManagementCar Emergency SuppliesCaulking & SealantsChains, Ropes and TiedownsClearance ToolsCommercial LightingDehumidifiersDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsElectric MotorsElectrical ToolsElectrical Wire & CableElectronic Communication ComponentsEmergency SuppliesExtension CordsFastenersFire SafetyFireplacesFlashlightsFurniture HardwareGarage Door Openers and HardwareGarage Shelves and RacksGuttering & DrainageHand ToolsHome SafetyHVAC Ducting and VentilationKitchen Fixtures and MaterialsKitchen PlumbingLight BulbsMasonry ToolsMechanics ToolsMetal CuttingMounting ProductsOutletsPaint Supplies & ToolsPersonal PreparednessPipes, Fittings & AccessoriesPlug AdaptersPower Tool AccessoriesPower ToolsPower TransformersPro ToolsSafety DetectorsSealants, Fillers and AdhesivesSolar AccessoriesSolar Charge ControllerSolderingStorm & Flood PrepSurveillanceTestersThermostatsTool Equipment & StorageValves & Valve RepairWater HeatersWater Heaters, Pumps & TanksWeldersWelding & Cutting AccessoriesWildfire PrepWinter Prep
Frequency Meter(442)
Uses item details. Price when purchased online
Clearance TESMEN TCM-300D TRMS Digital Clamp Meter, Auto-Ranging AC/DC Voltage and Current Tester, Multimeter with Backlit Display & NCV Detection From $29.99

Sponsored
From$2999
TESMEN TCM-300D TRMS Digital Clamp Meter, Auto-Ranging AC/DC Voltage and Current Tester, Multimeter with Backlit Display & NCV Detection
834.6 out of 5 Stars. 83 reviews
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RICHMETERS RM113D NCV Digital Multimeter 6000 Counts Auto Ranging AC/DC Voltage Meter Flash Back Light Large Screen 113D $42.00

Sponsored
$4200
current price $42.00RICHMETERS RM113D NCV Digital Multimeter 6000 Counts Auto Ranging AC/DC Voltage Meter Flash Back Light Large Screen 113D
KFFKFF Digital Multimeter, 4000-Count TRMS AC/DC Voltage and Current Tester, Auto-Ranging Meter for Measuring Voltage, Current, Resistance, Capacitance, Temperature, Diodes, Continuity,and Duty Cycle $31.99

Sponsored
$3199
current price $31.99KFFKFF Digital Multimeter, 4000-Count TRMS AC/DC Voltage and Current Tester, Auto-Ranging Meter for Measuring Voltage, Current, Resistance, Capacitance, Temperature, Diodes, Continuity,and Duty Cycle
Digital Multimeter FS899L Upgraded - USB Rechargeable 6000 Counts True RMS Tester with Color Screen, Auto-Ranging for Home/Industrial/Car Electrical Testing (FS899L) $33.99

Sponsored
$3399
current price $33.99Digital Multimeter FS899L Upgraded - USB Rechargeable 6000 Counts True RMS Tester with Color Screen, Auto-Ranging for Home/Industrial/Car Electrical Testing (FS899L)
DIY 1Hz-50MHz Digital LED Crystal Oscillator Frequency Counter Meter Tester Kit $16.99

$1699
current price $16.99DIY 1Hz-50MHz Digital LED Crystal Oscillator Frequency Counter Meter Tester Kit
High Accuracy RF Frequency Counter Meter 1~500MHz Tester Module For Ham Radio $20.92

$2092
current price $20.92High Accuracy RF Frequency Counter Meter 1~500MHz Tester Module For Ham Radio
Gieenan Meter with Temperature Measuring Hunting Detector Radio Frequency Detector Electromagnetic Radiation Detector $31.78

$3178
current price $31.78Gieenan Meter with Temperature Measuring Hunting Detector Radio Frequency Detector Electromagnetic Radiation Detector
TFC-2700L Multi-Functional High Precision Frequency Meter 8 LED Display Instrument 10HZ-2.7GHZ High Resolution Frequency Counter ,Tool $167.34

$16734
current price $167.34TFC-2700L Multi-Functional High Precision Frequency Meter 8 LED Display Instrument 10HZ-2.7GHZ High Resolution Frequency Counter ,Tool
Acahhotxx Frequency Meter, Detector Reader Transmitter Frequency Meter Counter Tester Tool Digital Frequency Meter Counter $15.98

$1598
current price $15.98Acahhotxx Frequency Meter, Detector Reader Transmitter Frequency Meter Counter Tester Tool Digital Frequency Meter Counter
Precision Frequency Counter with Crystal Test 5-Digit Display, 1Hz-50MHz Counter $15.71

$1571
current price $15.71Precision Frequency Counter with Crystal Test 5-Digit Display, 1Hz-50MHz Counter
SMART SENSOR ST1393 EMF Meter Electromagnetic Field EMF Detector Handheld Digital LCD Electromagnetic Field Radiation Tester $23.99

Sponsored
$2399
current price $23.99SMART SENSOR ST1393 EMF Meter Electromagnetic Field EMF Detector Handheld Digital LCD Electromagnetic Field Radiation Tester
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Reduced price UNI-T UT208B True RMS 1000A AC/DC Digital Clamp Meter - 55mm Jaw, LPF for VFD, Inrush Current, Flashlight, Temperature (-40°C~1000°C) for Electricians and HVAC Technicians $79.99 Was $89.99

Sponsored
Now$7999
current price Now $79.99, Was $89.99$89.99
UNI-T UT208B True RMS 1000A AC/DC Digital Clamp Meter - 55mm Jaw, LPF for VFD, Inrush Current, Flashlight, Temperature (-40°C~1000°C) for Electricians and HVAC Technicians
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GY561 RF Digital Handheld Power Meter Frequency Counter Tester Radio 1-2400MhzTAPDRA Spare Part $56.95

$5695
current price $56.95GY561 RF Digital Handheld Power Meter Frequency Counter Tester Radio 1-2400MhzTAPDRA Spare Part
RF Digital Handheld Power Meter Frequency Counter Tester Radio$$Electrical $51.87

$5187
current price $51.87RF Digital Handheld Power Meter Frequency Counter Tester Radio$$Electrical
Digital Frequency Meter Featuring Wide Ranging 20MHz to 2.7GHz and High Resolution Clear Screen for Radio Analysis $21.85

$2185
current price $21.85Digital Frequency Meter Featuring Wide Ranging 20MHz to 2.7GHz and High Resolution Clear Screen for Radio Analysis
M328 Transistor Tester Diode Capacitance ESR Voltage Frequency Meter Soldering $25.30

$2530
current price $25.30M328 Transistor Tester Diode Capacitance ESR Voltage Frequency Meter Soldering
1Pc Rk560 Frequency Meter Counter Accurate Testing 50Mhz-2.4Ghz Battery Powered

1Pc Rk560 Frequency Meter Counter Accurate Testing 50Mhz-2.4Ghz Battery Powered
AC110V/220V 100A LCD Digital Display Multifunction Power Monitors Voltages Current Frequency Power Factor Energy Meter $18.80

$1880
current price $18.80AC110V/220V 100A LCD Digital Display Multifunction Power Monitors Voltages Current Frequency Power Factor Energy Meter
Multifunction Digital Frequency Meter High-precision Frequency Counter 1G Frequency Meter $189.81

$18981
current price $189.81Multifunction Digital Frequency Meter High-precision Frequency Counter 1G Frequency Meter
Unique Bargains Arabic Numerals 45-65Hz 45-65 HERTZ Frequency Panel Meter 100V $17.59

$1759
current price $17.59Unique Bargains Arabic Numerals 45-65Hz 45-65 HERTZ Frequency Panel Meter 100V
Best seller Clamp on multimeter Ammeter set, including measuring pen. ST180 4000 count, with buzzer, measuring current, voltage, capacitance, resistance, NVC detection, diode continuity duty cycle (AC current) From $18.90

Sponsored
From$1890
Clamp on multimeter Ammeter set, including measuring pen. ST180 4000 count, with buzzer, measuring current, voltage, capacitance, resistance, NVC detection, diode continuity duty cycle (AC current)
994.5 out of 5 Stars. 99 reviews
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Best seller Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter $11.82 Was $19.99

Sponsored
Now$1182
current price Now $11.82, Was $19.99$19.99
Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter
1204.5 out of 5 Stars. 120 reviews
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1Mhz-2400Mhz Handheld Frequency Counter Power Meter 0.1W-50W for Two-Way Radio $56.86

$5686
current price $56.861Mhz-2400Mhz Handheld Frequency Counter Power Meter 0.1W-50W for Two-Way Radio
Best seller HBN Watt Meter Plug, Plug-in Socket Power Meter Electricity Usage Monitor Consumption Home Electrical Energy Monitor, Voltage Amps Wattage Electricity Usage Tester, 9 Display Modes $11.99 Was $19.99

Now$1199
current price Now $11.99, Was $19.99$19.99
HBN Watt Meter Plug, Plug-in Socket Power Meter Electricity Usage Monitor Consumption Home Electrical Energy Monitor, Voltage Amps Wattage Electricity Usage Tester, 9 Display Modes
814.7 out of 5 Stars. 81 reviews
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Handheld Remote Control Wireless Frequency Meter Digital Counter Tester 250-450MHz for Car Auto Garage Door,1 X Frequency Detector 1 Cord(not including power supply),As Shown $16.49

$1649
current price $16.49Handheld Remote Control Wireless Frequency Meter Digital Counter Tester 250-450MHz for Car Auto Garage Door,1 X Frequency Detector 1 Cord(not including power supply),As Shown
PZEM-004T 4.0 Single Phase Wattmeter Kwh Meter 220V 32A Electricity Volt Amp Frequency Meter $10.85

$1085
current price $10.85PZEM-004T 4.0 Single Phase Wattmeter Kwh Meter 220V 32A Electricity Volt Amp Frequency Meter
Professional Frequency Meter 100MHz TCXO Crystal Oscillator 0.1 Second Gate Time Adjustable Refreshing Rate For Lab Use $30.84

$3084
current price $30.84Professional Frequency Meter 100MHz TCXO Crystal Oscillator 0.1 Second Gate Time Adjustable Refreshing Rate For Lab Use
3-In-1 22Mm Digital Voltmeter Ammeter 60-500V Ac 0-100Ahz Current Frequency Meter Volt Amp Tester Detector White Fangkenuo From $9.91

2 options
Available in additional 2 optionsFrom$991
3-In-1 22Mm Digital Voltmeter Ammeter 60-500V Ac 0-100Ahz Current Frequency Meter Volt Amp Tester Detector White Fangkenuo
3 In 1 22Mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz Ac Current Frequency Meter Indicator Tester Square Led Signal Light Blue Smile Home From $13.44

2 options
Available in additional 2 optionsFrom$1344
3 In 1 22Mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz Ac Current Frequency Meter Indicator Tester Square Led Signal Light Blue Smile Home
Digital Voltage Frequency Panel Meter Tester Voltmeter LED Display for Household $12.90

$1290
current price $12.90Digital Voltage Frequency Panel Meter Tester Voltmeter LED Display for Household
EMF Meter, Electromagnetic Radiation Detector, Digital LCD EMF Detector, EMF Tester for Ghost Hunting, Home, Office, Outdoor, Indicator Lights, Audible Alert $25.99

Sponsored
$2599
current price $25.99EMF Meter, Electromagnetic Radiation Detector, Digital LCD EMF Detector, EMF Tester for Ghost Hunting, Home, Office, Outdoor, Indicator Lights, Audible Alert
23 out of 5 Stars. 2 reviews
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UT-CS09D 3000A AC Current Flexible Clamp Meter Flex Clamp Sensor Amperemeter Frequency Meter Directly displays Current When Connected to UT206B/208B$$Electrical $158.69

$15869
current price $158.69UT-CS09D 3000A AC Current Flexible Clamp Meter Flex Clamp Sensor Amperemeter Frequency Meter Directly displays Current When Connected to UT206B/208B$$Electrical
Yannee Brand New RK560 Frequency Counter Tester 50MHz-2.4GHz CTCSS DCS Radio Meter-Test Meters & Detectors $26.81

$2681
current price $26.81Yannee Brand New RK560 Frequency Counter Tester 50MHz-2.4GHz CTCSS DCS Radio Meter-Test Meters & Detectors
2PCS Current Voltage Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Frequency Indicator $11.38

$1138
current price $11.382PCS Current Voltage Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Frequency Indicator
2X Tuya WiFi Intelligent Digital Display Electricity Meter DIN-Rail Voltage Current Meter Power Factor Frequency Meter B $36.52

$3652
current price $36.522X Tuya WiFi Intelligent Digital Display Electricity Meter DIN-Rail Voltage Current Meter Power Factor Frequency Meter B
Frequency Counter Kit Frequency Meter Kit Oscillator DIY Kit Oscillator Tester $15.20

$1520
current price $15.20Frequency Counter Kit Frequency Meter Kit Oscillator DIY Kit Oscillator Tester
tegongse PLJ~8LED Frequency Counter Tester Digital Cymometer Tester 0.1MHz to 2400MHz For Analysis

tegongse PLJ~8LED Frequency Counter Tester Digital Cymometer Tester 0.1MHz to 2400MHz For Analysis
Lcd Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor

2 options
Available in additional 2 optionsLcd Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor
Mini Digital AC DC Current Clamp Meter Voltage Voltmeter 100A Ammeter Pliers Electrical Frequency Tester ,Efficient Features $121.23

$12123
current price $121.23Mini Digital AC DC Current Clamp Meter Voltage Voltmeter 100A Ammeter Pliers Electrical Frequency Tester ,Efficient Features
Digital Energy- Meter Tester Electricity Usage Meter mpermeter Power Voltmeter Ammeter Voltage Amps Watt Kwh Frequency

Digital Energy- Meter Tester Electricity Usage Meter mpermeter Power Voltmeter Ammeter Voltage Amps Watt Kwh Frequency
Digital Clamp Meter DC Current Pliers Ammeter Voltage Tester Temperature Frequency Meter Auto Range ,High&Low Sensitivity From $76.64
From$7664
Digital Clamp Meter DC Current Pliers Ammeter Voltage Tester Temperature Frequency Meter Auto Range ,High&Low Sensitivity
Clearance 100MHz Frequency Meter High Precise Portable Signal Tester With Display Type C Powered $25.52 Was $28.51

Now$2552
current price Now $25.52, Was $28.51$28.51
100MHz Frequency Meter High Precise Portable Signal Tester With Display Type C Powered
6IN1 Din Rail AC Monitor 100A Voltage Current Power Factor Active KWH Electric Energy Frequency Meter VOLT AMP ,Easy to Install
6IN1 Din Rail AC Monitor 100A Voltage Current Power Factor Active KWH Electric Energy Frequency Meter VOLT AMP ,Easy to Install
Power Monitor for KWh Frequency Wattmeter 100A AC 220/380V Three Phase AC Energy Meter Module
Power Monitor for KWh Frequency Wattmeter 100A AC 220/380V Three Phase AC Energy Meter Module
Din Rail AC Monitor 6IN1 100A Voltage Current Power Factor Active KWH Electric Energy Frequency Meter VOLT AMP ,Easy to Install
Din Rail AC Monitor 6IN1 100A Voltage Current Power Factor Active KWH Electric Energy Frequency Meter VOLT AMP ,Easy to Install
Advanced Handheld Multifunction Meter Voltage Current Frequency Resistance Measurement Tool ABS for Technicians $11.40

$1140
current price $11.40Advanced Handheld Multifunction Meter Voltage Current Frequency Resistance Measurement Tool ABS for Technicians
Frequency Meter,Kit Counter Avr Diy Kit Counter Meter Diy Kit Avr With Shell With Shell Counter 10mhz Shell Counter 0.000 Counter 0.000 001hz 0.000 001hz Resolution Dsfen Qinquan $16.51

$1651
current price $16.51Frequency Meter,Kit Counter Avr Diy Kit Counter Meter Diy Kit Avr With Shell With Shell Counter 10mhz Shell Counter 0.000 Counter 0.000 001hz 0.000 001hz Resolution Dsfen Qinquan
LCD Backlight Digital Multi-Meter Clamp Meter Voltmeter Voltage Current Frequency Tester ,High&Low Sensitivity
LCD Backlight Digital Multi-Meter Clamp Meter Voltmeter Voltage Current Frequency Tester ,High&Low Sensitivity
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