Voltage Testing & Measuring

Voltage Testing & Measuring
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  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. Klein Thermal Imager for Android Devices TI220
    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 Thermal Imager for Android Devices TI220
    SKU: KLN-TI220
    $24999
  9. Klein K-Type High Temperature Thermocouple 69142
    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 K-Type High Temperature Thermocouple 69142
    SKU: KLN-69142
    $2699
  10. 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
  11. 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
  12. 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
  13. Klein K-Type Temperature Probe 69144
    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 K-Type Temperature Probe 69144
    SKU: KLN-69144
    $4699
  14. Klein Insulation Resistance Tester ET600
    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 Insulation Resistance Tester ET600
    SKU: KLN-ET600
    $16999
  15. Klein K-Type to Banana Plug Adapter 69146
    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 K-Type to Banana Plug Adapter 69146
    SKU: KLN-69146
    $999
  16. Klein VDV Commander Tester Kit VDV501-828
    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 VDV Commander Tester Kit VDV501-828
    SKU: KLN-VDV501-828
    $56999
  17. Klein Advanced Circuit Tracer Kit ET450
    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 Advanced Circuit Tracer Kit ET450
    SKU: KLN-ET450
    $24999
  18. 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
  19. Klein Digital Tone Generator VDV500163
    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 Tone Generator VDV500163
    SKU: KLN-VDV500163
    $8199
  20. 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
  21. 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
  22. Klein AFCI /GFCI Outlet Tester RT310
    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 AFCI /GFCI Outlet Tester RT310
    SKU: KLN-RT310
    $3997
  23. 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
  24. Klein AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp CL390
    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 AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp CL390
    SKU: KLN-CL390
    $9997
  25. Klein Digital Tone and Probe Set VDV500-920
    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 Tone and Probe Set VDV500-920
    SKU: KLN-VDV500920
    $14999
  26. Klein Digital Clamp Meter, AC Auto-Ranging 400 Amp with Temp CL220
    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 Clamp Meter, AC Auto-Ranging 400 Amp with Temp CL220
    SKU: KLN-CL220
    $6997
  27. Klein Non-Contact Voltage Tester Pen, 50 to 1000V AC NCVT1P
    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 Pen, 50 to 1000V AC NCVT1P
    SKU: KLN-NCVT1P
    $1997
  28. 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
  29. Klein GFCI Outlet Tester RT210
    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 Outlet Tester RT210
    SKU: KLN-RT210
    $1297
  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. Klein Digital Tracing Probe VDV500-223
    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 Tracing Probe VDV500-223
    SKU: KLN-VDV500223
    $8199
  32. 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
  33. Klein K-Type Temperature Pipe Clamp 69140
    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 K-Type Temperature Pipe Clamp 69140
    SKU: KLN-69140
    $2699
  34. 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
  35. Klein Digital Multi-Tester, Multimeter w/ Receptacle Tester ET270
    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 Multi-Tester, Multimeter w/ Receptacle Tester ET270
    SKU: KLN-ET270
    $5999
per page
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.