Voltage Testing & Measuring

Voltage Testing & Measuring

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  1. Milwaukee Voltage Detector 50-1000V AC & LED Light 2202-20
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Milwaukee Voltage Detector 50-1000V AC & LED Light 2202-20
    SKU: 2202-20
    $2499
  2. Milwaukee Voltage Detector Dual Range 10-1000V AC & LED Light 2203-20
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Milwaukee Voltage Detector Dual Range 10-1000V AC & LED Light 2203-20
    SKU: 2203-20
    $2999
  3. Greenlee AMP AC TRUE RMS CLAMP METER CALIBRATED CM-660
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee AMP AC TRUE RMS CLAMP METER CALIBRATED CM-660
    SKU: GRCM-660
    $12349
  4. Greenlee Circuit Seeker CS-5000
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Circuit Seeker CS-5000
    SKU: GRCS-5000
    $76104
  5. Klein Digital Multimeter Electrical Test Kit MM320KIT
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Digital Multimeter Electrical Test Kit MM320KIT
    SKU: KLN-MM320KIT
    $5299
  6. Klein Digital Tracing Probe VDV500-223
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Digital Tracing Probe VDV500-223
    SKU: KLN-VDV500223
    $8199
  7. Klein Replacement Test Lead Set, Right Angle 69410
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Replacement Test Lead Set, Right Angle 69410
    SKU: KLN-69410
    $1997
  8. Klein Rechargeable Thermal Imager TI250
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Rechargeable Thermal Imager TI250
    SKU: KLN-TI250
    $29999
  9. Greenlee ESM Series Professional Plant Digital Multimeter DM-510A
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee ESM Series Professional Plant Digital Multimeter DM-510A
    SKU: GRDM-510A
    $18699
  10. Klein Thermal Imager for iOS Devices TI222
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Thermal Imager for iOS Devices TI222
    SKU: KLN-TI222
    $24999
  11. Klein Tools Circuit Analyzer RT390
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Tools Circuit Analyzer RT390
    SKU: KLN-RT390
    $14999
  12. Klein Digital Multimeter, TRMS Auto-Ranging, 1000V, Temp, Low Impedance MM720
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Digital Multimeter, TRMS Auto-Ranging, 1000V, Temp, Low Impedance MM720
    SKU: KLN-MM720
    $9997
  13. Klein GFCI Receptacle Tester w/ LCD RT250
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein GFCI Receptacle Tester w/ LCD RT250
    SKU: KLN-RT250
    $2197
  14. Greenlee 10 Flex Clamp Meter CMF-110
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee 10 Flex Clamp Meter CMF-110
    SKU: GRCMF-110
    $22219
  15. Greenlee ESM Series Digital Multimeter DM-820A
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee ESM Series Digital Multimeter DM-820A
    SKU: GRDM-820A
    $24669
  16. Greenlee Dual-Tip Non-Contact Voltage Detector TR13
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Dual-Tip Non-Contact Voltage Detector TR13
    SKU: GRTR13
    $2969
  17. Klein Digital Circuit Breaker Finder with GFCI Outlet Tester ET310
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Digital Circuit Breaker Finder with GFCI Outlet Tester ET310
    SKU: KLN-ET310
    $4997
  18. Greenlee ESM Industrial 500;000 Count Digital Multimeter - Calibrated DM-860A-C
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee ESM Industrial 500;000 Count Digital Multimeter - Calibrated DM-860A-C
    SKU: GRDM-860A-C
    $51579
  19. Greenlee Next Generation V-WATCH Personal Voltage Detector VWS-20
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Next Generation V-WATCH Personal Voltage Detector VWS-20
    SKU: GRVWS-20
    $44171
  20. Klein Premium Dual-Range NCVT and GFCI Receptacle Tester Electrical Test Kit KLN-RT250KIT
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Premium Dual-Range NCVT and GFCI Receptacle Tester Electrical Test Kit KLN-RT250KIT
    SKU: KLN-RT250KIT
    $3998
  21. Klein Digital Multimeter, TRMS Auto-Ranging, 600V, Temp MM420
    Free Shipping at $99+!
    On Order This item is currently on order and expected to arrive soon, typically 2-6+ business days depending on when order was placed. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Digital Multimeter, TRMS Auto-Ranging, 600V, Temp MM420
    SKU: KLN-MM420
    $5497
  22. Klein AC/DC Auto-Ranging Digital Clamp Meter CL800
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein AC/DC Auto-Ranging Digital Clamp Meter CL800
    SKU: KLN-CL800
    $12997
  23. Klein Dual IR/Probe Thermometer IR07
    Free Shipping at $99+!
    Direct Ship* Item will ship direct from manufacturer if meets minimal requirements or from Ohio Power Tool, whichever is faster typically these orders will take 2-5+ days to ship if available from manufacturer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Dual IR/Probe Thermometer IR07
    SKU: KLN-IR07
    $5197
  24. Klein Non-Contact Voltage Tester w/Infrared Thermometer NCVT-4IR
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Non-Contact Voltage Tester w/Infrared Thermometer NCVT-4IR
    SKU: KLN-NCVT-4IR
    $3999
  25. Greenlee ESM Industrial 500;000 Count Digital Multimeter DM-860A
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee ESM Industrial 500;000 Count Digital Multimeter DM-860A
    SKU: GRDM-860A
    $41449
  26. Greenlee Stray Voltage Detector LV-5
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Stray Voltage Detector LV-5
    SKU: GRLV-5
    $34189
  27. Klein Digital Clamp Meter, AC Auto-Ranging 400 Amp with Temp CL220
    Free Shipping at $99+!
    On Order This item is currently on order and expected to arrive soon, typically 2-6+ business days depending on when order was placed. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Digital Clamp Meter, AC Auto-Ranging 400 Amp with Temp CL220
    SKU: KLN-CL220
    $6997
  28. Klein Non-Contact Voltage Tester Pen, 50 to 1000V AC NCVT1P
    Free Shipping at $99+!
    On Order This item is currently on order and expected to arrive soon, typically 2-6+ business days depending on when order was placed. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Non-Contact Voltage Tester Pen, 50 to 1000V AC NCVT1P
    SKU: KLN-NCVT1P
    $1997
  29. Greenlee Non-Contact Voltage Detector GT13
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Non-Contact Voltage Detector GT13
    SKU: GRGT13
    $2529
  30. Klein 12 - 1000V AC Dual Range Non-Contact Voltage Tester NCVT2P
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein 12 - 1000V AC Dual Range Non-Contact Voltage Tester NCVT2P
    SKU: KLN-NCVT2P
    $2797
  31. Greenlee 18" Flex Clamp Current Probe FC-118
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee 18" Flex Clamp Current Probe FC-118
    SKU: GRFC-118
    $19769
  32. Greenlee PRX Proximity Voltage Detector Kit; 69kV PRX-69DB
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee PRX Proximity Voltage Detector Kit; 69kV PRX-69DB
    SKU: GRPRX-69DB
    $80299
  33. Greenlee Underground Cable Tester 8kVDC; OH Kit UCT-8
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Underground Cable Tester 8kVDC; OH Kit UCT-8
    SKU: GRUCT-8
    $2,10499
  34. Greenlee 600 AMP AC + DC TRUE RMS CLAMP METER CM-960
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee 600 AMP AC + DC TRUE RMS CLAMP METER CM-960
    SKU: GRCM-960
    $24689
  35. Klein Dual Range Non-Contact Voltage Tester with Flashlight, 12 - 1000V AC NCVT3P
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Dual Range Non-Contact Voltage Tester with Flashlight, 12 - 1000V AC NCVT3P
    SKU: KLN-NCVT3P
    $2997
  36. Klein Circuit Breaker Finder Accessory Kit 69411
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Circuit Breaker Finder Accessory Kit 69411
    SKU: KLN-69411
    $1997
  37. Klein Slim Digital Multimeter, TRMS Auto-Ranging, 600V, Temp MM450
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein Slim Digital Multimeter, TRMS Auto-Ranging, 600V, Temp MM450
    SKU: KLN-MM450
    $6997
  38. Greenlee Digital/Analog Megohmmeter 1kV - Calibrated 5882-C
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Digital/Analog Megohmmeter 1kV - Calibrated 5882-C
    SKU: GR5882-C
    $92779
  39. Greenlee Electrical Tester 1000V 600A CMT-90
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Electrical Tester 1000V 600A CMT-90
    SKU: GRCMT-90
    $25879
  40. Greenlee Ground Resistance Tester CMGRT-100
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Ground Resistance Tester CMGRT-100
    SKU: GRCMGRT-100
    $2,81179
  41. Greenlee 10" Flex Clamp Current Probe FC-110
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee 10" Flex Clamp Current Probe FC-110
    SKU: GRFC-110
    $16469
  42. Greenlee PRX Proximity Voltage Detector Kit; 500kV PRX-500
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee PRX Proximity Voltage Detector Kit; 500kV PRX-500
    SKU: GRPRX-500
    $83439
  43. Klein AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp CL390
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Klein AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp CL390
    SKU: KLN-CL390
    $9997
  44. Klein Scout Pro 3 Tester Starter Kit VDV501-851
    Free Shipping at $99+!
    Direct Ship* Item will ship direct from manufacturer if meets minimal requirements or from Ohio Power Tool, whichever is faster typically these orders will take 2-5+ days to ship if available from manufacturer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Klein Scout Pro 3 Tester Starter Kit VDV501-851
    SKU: KLN-VDV501-851
    $8997
  45. Greenlee Double Vision Dual Display Voltmeter/Phasing Set 5V-40kV; OH Kit; Base DDVM-40
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Double Vision Dual Display Voltmeter/Phasing Set 5V-40kV; OH Kit; Base DDVM-40
    SKU: GRDDVM-40
    $2,36119
  46. Greenlee ESM Series Digital Multimeter DM-210A
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee ESM Series Digital Multimeter DM-210A
    SKU: GRDM-210A
    $13629
  47. Greenlee ESM Series Digital Multimeter - Calibrated DM-210A-C
    Free Shipping at $99+!
    Available to Order This item is currently not on order and typically would expect 4-12+ days to receive in but can be longer. We do work to update customers if long delays are expected. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee ESM Series Digital Multimeter - Calibrated DM-210A-C
    SKU: GRDM-210A-C
    $25539
  48. Greenlee Auto-Ranging Digital Multimeter 600V DM-45
    Free Shipping at $99+!
    In-Stock At least one of this item is in-stock currently. In-stock items typically ship within 1 business day, expedited orders before 1pm typically same day. Please do not hesitate to call our sales team with questions or stock status.
    Greenlee Auto-Ranging Digital Multimeter 600V DM-45
    SKU: GRDM-45
    $7159
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Voltage detectors are essential tools for electricians and technicians, designed to identify the presence of electrical voltage without direct contact with the conductor, enhancing safety and efficiency in electrical work. The most common types of voltage detectors available from Ohio Power Tool include non-contact voltage testers, pen-style testers, and outlet testers. Non-contact voltage testers are widely used due to their ease of use and safety, allowing users to detect voltage in wires, outlets, circuit breakers, and other electrical systems by simply bringing the device close to the conductor. Their sensitivity varies, making them suitable for a range of applications, from residential troubleshooting to industrial maintenance, where detecting live circuits without direct contact is crucial. Pen-style voltage testers combine the convenience of a non-contact tester with the ability to perform more precise tasks, such as checking for voltage in specific points of a circuit. These testers often feature a slim, pen-like design, making them easy to carry and use in tight spaces. Some models include additional functionalities, such as continuity testing and the ability to measure voltage levels, offering a versatile solution for diagnostics and repairs in electrical installations, automotive electronics, and other areas where detailed electrical investigation is needed. Outlet testers are another common type of voltage detector, specifically designed to plug into electrical outlets and provide instant feedback on the wiring status. These devices can indicate common wiring problems such as open ground, reverse polarity, and missing neutral connections, making them invaluable for ensuring safety and compliance in residential and commercial settings. Outlet testers are particularly useful for home inspectors, DIY renovators, and professional electricians conducting initial inspections or final checks on electrical installations. Each type of voltage detector serves a distinct purpose, ensuring that professionals and enthusiasts have the right tool for safely and effectively assessing electrical systems across a variety of applications.