Fluke vs Klein Non Contact Voltage Tester

In the world of electrical testing tools, non-contact voltage testers (NCVTs) are indispensable for both professionals and DIY enthusiasts.

These devices allow users to detect the presence of voltage without making direct contact with electrical components, enhancing safety and convenience.

Two leading brands in this category are Fluke and Klein, both known for their high-quality tools.

Quick Summary

  • Fluke NCVTs are ideal for professionals who require high sensitivity, robust build quality, and advanced features for reliable voltage detection in various environments. The added assurance of continuous self-test features ensures that the tester is always functional.
  • Klein NCVTs offer excellent value for money, providing reliable performance and durability at a more accessible price point. Their versatile voltage detection ranges and user-friendly designs make them suitable for a wide range of applications, from home wiring to industrial settings.

This article provides a detailed comparison between Fluke and Klein non-contact voltage testers, examining their features, performance, ease of use, and overall value to help you choose the best tool for your needs.

Comparison Table: Fluke vs Klein Non-Contact Voltage Testers

SpecificationFluke Non-Contact Voltage TestersKlein Non-Contact Voltage Testers
Popular ModelsFluke 1AC II, Fluke 2ACKlein NCVT-1, Klein NCVT-2
Voltage Detection Range1AC II: 90V to 1000V ACNCVT-1: 50V to 1000V AC
2AC: 200V to 1000V ACNCVT-2: 12V to 1000V AC (dual range)
SensitivityHigh sensitivityReliable sensitivity
AccuracyHigh accuracyGood accuracy
Build QualityRobust and durableDurable
DesignErgonomic, compact, and lightweightCompact and user-friendly
IndicatorsVisual and audible indicators, continuous self-testBright LED and audible indicators
Safety RatingCAT IV 1000VCAT IV 1000V
Battery LifeLong-lastingLong-lasting
Size and PortabilityCompact and portableCompact and portable
Advanced FeaturesContinuous self-test (Fluke 1AC II)Dual range detection (Klein NCVT-2)
Ease of UseSimple and intuitiveUser-friendly
Warranty2 years2 years
Price RangeHigherModerate
Target AudienceProfessionals, industrial useProfessionals, general use, DIY enthusiasts

Key Differences

  • Voltage Detection Range: Klein offers a lower starting detection range with models like the NCVT-2 detecting from 12V to 1000V AC, compared to Fluke models which generally start at 90V or 200V.
  • Sensitivity and Accuracy: Both brands offer high sensitivity and accuracy, but Fluke is renowned for its exceptional precision in professional settings.
  • Build Quality: Both Fluke and Klein NCVTs are durable and built to last, but Fluke testers are often considered more robust and suitable for harsh environments.
  • Advanced Features: Fluke testers, like the Fluke 1AC II, include a continuous self-test feature to ensure the tester is always functional. Klein’s NCVT-2 offers dual-range detection, enhancing its versatility.
  • Price Range: Fluke testers are generally more expensive, reflecting their advanced features and higher build quality. Klein testers provide a more budget-friendly option without compromising on essential features and reliability.
  • Target Audience: Fluke NCVTs are designed for professionals and industrial use, while Klein NCVTs cater to both professionals and DIY enthusiasts, offering excellent value for money.


Both Fluke and Klein non-contact voltage testers deliver reliable and safe voltage detection for a variety of electrical applications.

  • Fluke NCVTs are perfect for professionals who need high sensitivity, advanced features, and durable build quality. They excel in industrial and demanding environments where accuracy and reliability are crucial.
  • Klein NCVTs provide excellent value for money with versatile detection ranges, user-friendly designs, and robust construction. They are suitable for both professionals and DIY enthusiasts, offering dependable performance at a more affordable price.