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Safety Equipment and GearAir QualityAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyAll Tool SetsAsphalt, Concrete & MasonryBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBLACK+DECKERBreakers, Distributors, and Load CentersCable ManagementCar Emergency SuppliesCommercial LightingDehumidifiersDimmers, Switches, and Wall PlatesDoor HardwareDoorbellsElectric MotorsElectrical ToolsElectronic Communication ComponentsEmergency SuppliesEmersonEvaporative Coolers and PartsExtension CordsFastenersFire SafetyFireplacesGarage Door Openers and HardwareGarage LightsGarbage DisposalsGuttering & DrainageHand ToolsHardware KnobsHome SafetyHVAC Ducting and VentilationInterconnect TerminalsKitchen HardwareKitchen PlumbingLight BulbsMechanics ToolsMetal CuttingOutletsPaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesPlug AdaptersPower Tool AccessoriesPower ToolsPower TransformersPro ToolsProtective Metal Working GearSafety DetectorsSealants, Fillers and AdhesivesShop Plumbing BrandsShop Plumbing by FixtureSolar AccessoriesSolar Charge ControllerSolar PanelsSolderingStorm & Flood PrepSurveillanceTestersThermostatsToilets and BidetsTool Equipment & StorageValves & Valve RepairWater DispensersWater FiltersWater HeatersWater Heaters, Pumps & TanksWeatherproof CoversWeldersWelding & Cutting AccessoriesWildfire PrepWinter PrepWoodworking Tools

Ac Frequency

Uses item details. Price when purchased online

NFTIGB Square Digital Display AC Voltage Current Frequency 3 in 1 Signal Indication Meter Light 50-500V 0-100A 0-99Hz (Red) From $10.70

NFTIGB Square Digital Display AC Voltage Current Frequency 3 in 1 Signal Indication Meter Light 50-500V 0-100A 0-99Hz (Red)
Red, variant on NFTIGB Square Digital Display AC Voltage Current Frequency 3 in 1 Signal Indication Meter Light 50-500V 0-100A 0-99Hz (Red)
White, variant on NFTIGB Square Digital Display AC Voltage Current Frequency 3 in 1 Signal Indication Meter Light 50-500V 0-100A 0-99Hz (Red)
Options
From$1070

NFTIGB Square Digital Display AC Voltage Current Frequency 3 in 1 Signal Indication Meter Light 50-500V 0-100A 0-99Hz (Red)

NFTIGB Digital AC Voltmeter Frequency Meter Tester Gauge Panel Mounting LED Display 50-500V 10.0-99.9Hz Red LED Indicator For Electrical Monitoring (2.68 inches / 68 mm) $13.85

NFTIGB Digital AC Voltmeter Frequency Meter Tester Gauge Panel Mounting LED Display 50-500V 10.0-99.9Hz Red LED Indicator For Electrical Monitoring (2.68 inches / 68 mm)
current price $13.85

NFTIGB Digital AC Voltmeter Frequency Meter Tester Gauge Panel Mounting LED Display 50-500V 10.0-99.9Hz Red LED Indicator For Electrical Monitoring (2.68 inches / 68 mm)

Clearance JUNTEX LED Display AC Frequency Meter Electricity Indicator Hz Light 22mm 5 Colors Was $7.55

JUNTEX LED Display AC Frequency Meter Electricity Indicator Hz Light 22mm 5 Colors

JUNTEX LED Display AC Frequency Meter Electricity Indicator Hz Light 22mm 5 Colors

Kselythan Window Air Conditioner Fixed Frequency 6000 BTU, AC Unit Cools Up to 250 Sq. Ft., Quiet Window AC Unit with Remote For Bedrooms Guest Rooms

Kselythan Window Air Conditioner Fixed Frequency 6000 BTU, AC Unit Cools Up to 250 Sq. Ft., Quiet Window AC Unit with Remote For Bedrooms Guest Rooms

Kselythan Window Air Conditioner Fixed Frequency 6000 BTU, AC Unit Cools Up to 250 Sq. Ft., Quiet Window AC Unit with Remote For Bedrooms Guest Rooms

Lcd Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor From $17.79

Lcd Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor
Available in additional 2 options
Options
From$1779

Lcd Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor

FYHALE 18000BTU Mini Split Air Conditioner with Heater, Split AC Unit 112V with Remote Control, Cool Up to 1000 Sq. Ft,Variable Frequency Cooling and Heating, White $108.89

FYHALE 18000BTU Mini Split Air Conditioner with Heater, Split AC Unit 112V with Remote Control, Cool Up to 1000 Sq. Ft,Variable Frequency Cooling and Heating, White
current price $108.89

FYHALE 18000BTU Mini Split Air Conditioner with Heater, Split AC Unit 112V with Remote Control, Cool Up to 1000 Sq. Ft,Variable Frequency Cooling and Heating, White

1 out of 5 Stars. 2 reviews

Energy Star 10000 BTU Window AC with WiFi & Inverter Ultra Quiet Operation, Easy Installation, Covers 440 sq. ft., Remote Control, ECO/24-Hour Timer/Auto Restart $299.99 Was $574.98

Energy Star 10000 BTU Window AC with WiFi & Inverter Ultra Quiet Operation, Easy Installation, Covers 440 sq. ft., Remote Control, ECO/24-Hour Timer/Auto Restart
current price Now $299.99, Was $574.98

Energy Star 10000 BTU Window AC with WiFi & Inverter Ultra Quiet Operation, Easy Installation, Covers 440 sq. ft., Remote Control, ECO/24-Hour Timer/Auto Restart

Senfot 2-Pack 6000BTU Fixed Frequency Window Air Conditioner, Non-WiFi Window Mount Cooling AC Unit, ABS Compact Indoor Window AC for Home

Senfot 2-Pack 6000BTU Fixed Frequency Window Air Conditioner, Non-WiFi Window Mount Cooling AC Unit, ABS Compact Indoor Window AC for Home

Senfot 2-Pack 6000BTU Fixed Frequency Window Air Conditioner, Non-WiFi Window Mount Cooling AC Unit, ABS Compact Indoor Window AC for Home

Neyseki AC Frequency Meter 45 To 55Hz 1.5 Class Accuracy 72x72mm Panel Frequency Tester AC380V $19.99

Neyseki AC Frequency Meter 45 To 55Hz 1.5 Class Accuracy 72x72mm Panel Frequency Tester AC380V
current price $19.99

Neyseki AC Frequency Meter 45 To 55Hz 1.5 Class Accuracy 72x72mm Panel Frequency Tester AC380V

Milue 110~380V AC Frequency Meter HZ Meter Tester Measuring Range 20-75Hz Durable Was $13.00

Milue 110~380V AC Frequency Meter HZ Meter Tester Measuring Range 20-75Hz Durable
Blue, variant on Milue 110~380V AC Frequency Meter HZ Meter Tester Measuring Range 20-75Hz Durable
Red, variant on Milue 110~380V AC Frequency Meter HZ Meter Tester Measuring Range 20-75Hz Durable
White, variant on Milue 110~380V AC Frequency Meter HZ Meter Tester Measuring Range 20-75Hz Durable
Options

Milue 110~380V AC Frequency Meter HZ Meter Tester Measuring Range 20-75Hz Durable

5 out of 5 Stars. 1 reviews

6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC50-300V) $19.00

6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC50-300V)
current price $19.00

6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC50-300V)

Costway 24000 BTU Mini Split Air Conditioner & Heater Ductless 18.5 SEER2 1500 Sq. Ft $1,029.99

Costway 24000 BTU Mini Split Air Conditioner & Heater Ductless 18.5 SEER2 1500 Sq. Ft
current price $1,029.99

Costway 24000 BTU Mini Split Air Conditioner & Heater Ductless 18.5 SEER2 1500 Sq. Ft

3.9 out of 5 Stars. 37 reviews

Senfot 2-Pack 6000BTU WiFi Window Air Conditioner, Smart App Enabled Fixed Frequency Window Mount AC Unit, Energy Saving Indoor Cooling System

Senfot 2-Pack 6000BTU WiFi Window Air Conditioner, Smart App Enabled Fixed Frequency Window Mount AC Unit, Energy Saving Indoor Cooling System

Senfot 2-Pack 6000BTU WiFi Window Air Conditioner, Smart App Enabled Fixed Frequency Window Mount AC Unit, Energy Saving Indoor Cooling System

Sorven Power Digital Meter Digital Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor $18.41

Sorven Power Digital Meter Digital Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor
current price $18.41

Sorven Power Digital Meter Digital Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor

12000 BTU Air Conditioner Mini Split A/C For Semi Trucks Bus RV Caravan 12V USA $399.39

12000 BTU Air Conditioner Mini Split A/C For Semi Trucks Bus RV Caravan 12V USA
current price $399.39

12000 BTU Air Conditioner Mini Split A/C For Semi Trucks Bus RV Caravan 12V USA

5 out of 5 Stars. 4 reviews

Costway 18000 BTU Mini Split Air Conditioner & Heater 19 SEER2 1250 Sq. Ft Coverage $759.98

Costway 18000 BTU Mini Split Air Conditioner & Heater 19 SEER2 1250 Sq. Ft Coverage
current price $759.98

Costway 18000 BTU Mini Split Air Conditioner & Heater 19 SEER2 1250 Sq. Ft Coverage

4.1 out of 5 Stars. 192 reviews

Senfot 2-Pack 12000BTU Window Air Conditioner, High Power Fixed Frequency Window Mount Cooling Unit, White ABS Household Window AC for Indoor Use

Senfot 2-Pack 12000BTU Window Air Conditioner, High Power Fixed Frequency Window Mount Cooling Unit, White ABS Household Window AC for Indoor Use

Senfot 2-Pack 12000BTU Window Air Conditioner, High Power Fixed Frequency Window Mount Cooling Unit, White ABS Household Window AC for Indoor Use

HIBIBUD 2026 New Portable Air Conditioners Comfortable and Cool Portable Ac High Frequency Refrigeration Technology Air Conditioner Portable for Bedroom Office Living Room $29.47

HIBIBUD 2026 New Portable Air Conditioners Comfortable and Cool Portable Ac High Frequency Refrigeration Technology Air Conditioner Portable for Bedroom Office Living Room
current price $29.47

HIBIBUD 2026 New Portable Air Conditioners Comfortable and Cool Portable Ac High Frequency Refrigeration Technology Air Conditioner Portable for Bedroom Office Living Room

6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC250-450V)1 set x amp meter $19.65

6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC250-450V)1 set x amp meter
current price $19.65

6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC250-450V)1 set x amp meter

3 In 1 22Mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz Ac Current Frequency Meter Indicator Tester Square Led Signal Light

3 In 1 22Mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz Ac Current Frequency Meter Indicator Tester Square Led Signal Light

3 In 1 22Mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz Ac Current Frequency Meter Indicator Tester Square Led Signal Light

5 out of 5 Stars. 1 reviews

Senfot 2-Pack 8000BTU WiFi Window Mount Air Conditioner, Fixed Frequency Window AC Unit, Smart App Control Cooling System, White for Home Use

Senfot 2-Pack 8000BTU WiFi Window Mount Air Conditioner, Fixed Frequency Window AC Unit, Smart App Control Cooling System, White for Home Use

Senfot 2-Pack 8000BTU WiFi Window Mount Air Conditioner, Fixed Frequency Window AC Unit, Smart App Control Cooling System, White for Home Use

Clearance Portable Air Conditioner 10000 BTU Ashrae, 3-in-1 AC Unit for Room with Dehumidifier/Fan/Sleep Modes, 450 Sq.Ft, Remote Control, 24H Timer Was $479.98

Portable Air Conditioner 10000 BTU Ashrae, 3-in-1 AC Unit for Room with Dehumidifier/Fan/Sleep Modes, 450 Sq.Ft, Remote Control, 24H Timer
Available in additional 2 options
Options

Portable Air Conditioner 10000 BTU Ashrae, 3-in-1 AC Unit for Room with Dehumidifier/Fan/Sleep Modes, 450 Sq.Ft, Remote Control, 24H Timer

4.5 out of 5 Stars. 11 reviews

3 In 1 22mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz AC Current Frequency Meter Indicator Tester Square LED Signal Light white

3 In 1 22mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz AC Current Frequency Meter Indicator Tester Square LED Signal Light white

3 In 1 22mm Digital Voltmeter Ammeter 60-500V 0-100A 20~75Hz AC Current Frequency Meter Indicator Tester Square LED Signal Light white

5 out of 5 Stars. 1 reviews

Flash Deal 9000BTU Mini Split Air Conditioner Heat Pump,19 SEER2 115V Split ac unit with Remote AC Cool Up to 650 Sq. Ft,Variable Frequency Cooling and Heatingļ¼ŒR32 Refrigerant & Installation Kit, White From $399.97

9000BTU Mini Split Air Conditioner Heat Pump,19 SEER2 115V Split ac unit with Remote AC Cool Up to 650 Sq. Ft,Variable Frequency Cooling and Heatingļ¼ŒR32 Refrigerant & Installation Kit, White
BGKT-9000BTU-115V, variant on 9000BTU Mini Split Air Conditioner Heat Pump,19 SEER2 115V Split ac unit with Remote AC Cool Up to 650 Sq. Ft,Variable Frequency Cooling and Heatingļ¼ŒR32 Refrigerant & Installation Kit, White
WIFI-9000BTU-115V, variant on 9000BTU Mini Split Air Conditioner Heat Pump,19 SEER2 115V Split ac unit with Remote AC Cool Up to 650 Sq. Ft,Variable Frequency Cooling and Heatingļ¼ŒR32 Refrigerant & Installation Kit, White
BGKT-10000-230V, variant on 9000BTU Mini Split Air Conditioner Heat Pump,19 SEER2 115V Split ac unit with Remote AC Cool Up to 650 Sq. Ft,Variable Frequency Cooling and Heatingļ¼ŒR32 Refrigerant & Installation Kit, White
BGKT-12000-115V, variant on 9000BTU Mini Split Air Conditioner Heat Pump,19 SEER2 115V Split ac unit with Remote AC Cool Up to 650 Sq. Ft,Variable Frequency Cooling and Heatingļ¼ŒR32 Refrigerant & Installation Kit, White
Options
From$39997

9000BTU Mini Split Air Conditioner Heat Pump,19 SEER2 115V Split ac unit with Remote AC Cool Up to 650 Sq. Ft,Variable Frequency Cooling and Heatingļ¼ŒR32 Refrigerant & Installation Kit, White

4.1 out of 5 Stars. 177 reviews

YAHHU Digital Clamp Meter Multimeter Tester 6000 Counts with Backlight Measures AC Current AC/DC Voltage Resistance Frequency Line On/Off Test Electrician Tools $29.19

YAHHU Digital Clamp Meter Multimeter Tester 6000 Counts with Backlight Measures AC Current AC/DC Voltage Resistance Frequency Line On/Off Test Electrician Tools
current price $29.19

YAHHU Digital Clamp Meter Multimeter Tester 6000 Counts with Backlight Measures AC Current AC/DC Voltage Resistance Frequency Line On/Off Test Electrician Tools

Lerpwige Digital AC Voltage Frequency Meter AC50-500V 10.0-99.9 HZ Frequency Counter $9.67

Lerpwige Digital AC Voltage Frequency Meter AC50-500V 10.0-99.9 HZ Frequency Counter
current price $9.67

Lerpwige Digital AC Voltage Frequency Meter AC50-500V 10.0-99.9 HZ Frequency Counter

Riousery Digital Multimeter LED Display AC Voltage Current Frequency Tester 50-500V 0-120A 10-99.9HZ for Accurate Measurement of Electrical Systems in Home and Industrial Applications

Riousery Digital Multimeter LED Display AC Voltage Current Frequency Tester 50-500V 0-120A 10-99.9HZ for Accurate Measurement of Electrical Systems in Home and Industrial Applications

Riousery Digital Multimeter LED Display AC Voltage Current Frequency Tester 50-500V 0-120A 10-99.9HZ for Accurate Measurement of Electrical Systems in Home and Industrial Applications

Digital AC Voltage Frequency Meter AC50-500V 10.0-99.9 HZ Frequency Counter High Accuracy Hz Volt LED Display Tester $9.78

Digital AC Voltage Frequency Meter AC50-500V 10.0-99.9 HZ Frequency Counter High Accuracy Hz Volt LED Display Tester
current price $9.78

Digital AC Voltage Frequency Meter AC50-500V 10.0-99.9 HZ Frequency Counter High Accuracy Hz Volt LED Display Tester

3-In-1 22Mm Digital Voltmeter Ammeter 60-500V Ac 0-100Ahz Current Frequency Meter Volt Amp Tester Detector White $12.83

3-In-1 22Mm Digital Voltmeter Ammeter 60-500V Ac 0-100Ahz Current Frequency Meter Volt Amp Tester Detector White
current price $12.83

3-In-1 22Mm Digital Voltmeter Ammeter 60-500V Ac 0-100Ahz Current Frequency Meter Volt Amp Tester Detector White

5000 BTU Easy Cool Window Unit: 150 sq ft Cooling Capacity, Dual Fan Speeds, Customizable 4-Way Air Direction From $165.99

5000 BTU Easy Cool Window Unit: 150 sq ft Cooling Capacity, Dual Fan Speeds, Customizable 4-Way Air Direction
Available in additional 8 options
Options
From$16599

5000 BTU Easy Cool Window Unit: 150 sq ft Cooling Capacity, Dual Fan Speeds, Customizable 4-Way Air Direction

4.4 out of 5 Stars. 92 reviews

Power Monitor with LCD Display - AC Voltage Current Frequency Energy Meter $20.03

Power Monitor with LCD Display - AC Voltage Current Frequency Energy Meter
current price $20.03

Power Monitor with LCD Display - AC Voltage Current Frequency Energy Meter

6PCS Current Voltage Hertz Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Current Frequency Indicator $21.21

6PCS Current Voltage Hertz Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Current Frequency Indicator
current price $21.21

6PCS Current Voltage Hertz Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Current Frequency Indicator

HOT 6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC50-300V) $17.17

HOT 6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC50-300V)
current price $17.17

HOT 6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor for Household SPM004 (AC50-300V)

2X 6 in 1 AC Monitor D69-2058 AC Digital Voltage and Current Power Frequency Factor Electricity Meter Power Monitor $25.67

2X 6 in 1 AC Monitor D69-2058 AC Digital Voltage and Current Power Frequency Factor Electricity Meter Power Monitor
current price $25.67

2X 6 in 1 AC Monitor D69-2058 AC Digital Voltage and Current Power Frequency Factor Electricity Meter Power Monitor

3X 6 in 1 AC Monitor D692058 AC Digital Voltage and Current Power Frequency Factor Electricity Meter $38.49

3X 6 in 1 AC Monitor D692058 AC Digital Voltage and Current Power Frequency Factor Electricity Meter
current price $38.49

3X 6 in 1 AC Monitor D692058 AC Digital Voltage and Current Power Frequency Factor Electricity Meter

5000 BTU Window Air Conditioner Cools 150 sq ft, Features 2 Speeds & 4-Way Airflow From $165.99

5000 BTU Window Air Conditioner Cools 150 sq ft, Features 2 Speeds & 4-Way Airflow
Available in additional 9 options
Options
From$16599

5000 BTU Window Air Conditioner Cools 150 sq ft, Features 2 Speeds & 4-Way Airflow

4.5 out of 5 Stars. 71 reviews

Meter Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor From $17.80

Meter Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor
Available in additional 2 options
Options
From$1780

Meter Multi-Function Single Phase Digital Meter LCD Display AC Voltage AC Current Power Frequency Electric Energy Power Factor Measurement Meter Monitor

2PCS Current Voltage Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Frequency Indicator $9.96

2PCS Current Voltage Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Frequency Indicator
current price $9.96

2PCS Current Voltage Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Frequency Indicator

Costway 12000 BTU Mini Split Air Conditioner &Heater 20 SEER2 115 V Wall-Mounted AC Unit $498.38 Was $559.98

Costway 12000 BTU Mini Split Air Conditioner &Heater 20 SEER2 115 V Wall-Mounted AC Unit
current price Now $498.38, Was $559.98

Costway 12000 BTU Mini Split Air Conditioner &Heater 20 SEER2 115 V Wall-Mounted AC Unit

3.9 out of 5 Stars. 133 reviews

2PCS Current Voltage Hertz Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Current Frequency Indicator,2 x electrical tester,Blue $8.69 Was $11.59

2PCS Current Voltage Hertz Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Current Frequency Indicator,2 x electrical tester,Blue
current price Now $8.69, Was $11.59

2PCS Current Voltage Hertz Meters, Digital 3In1 22mm Voltmeter Ammeter Hz Meter AC 60-500V Current Frequency Indicator,2 x electrical tester,Blue

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