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Red TES 3910 TRMS clamp meter with black jaw and LCD display

TES Electrical Electronic Corp.

TES Electrical Electronic Corp. 3910 TRMS Clamp Meter AC-DC 1000V

SKU CH-588Z-KX953 MPN 3910

TRMS clamp meter measures AC and DC current up to 1000 V and connects to external accessories

  • TypeTest Equipment
  • Color/FinishRed
  • Item Count1 pack
  • Selling UnitBox
  • Parts3 Years
  • Labor1 Year
  • True-RMS accuracy for non-linear loads
  • Measures AC and DC current up to 1000 V
  • 1000 V safety rating for high-voltage work
  • Interfaces with accessories for extended functions
  • Three-year parts coverage included

What this meter measures

The TES 3910 is a TRMS clamp meter rated for AC and DC measurements up to 1000 V. It is built for electricians and technicians who need a handheld instrument for current and voltage checks on live conductors. The red housing identifies the unit at a glance in a tool bag. It ships as a single unit in a box.

Replacing basic clamp meters

This model replaces entry-level clamp meters that lack true-RMS response or DC current capability. The jump is worth it when you work on variable-frequency drives, switching power supplies or mixed AC/DC circuits where averaging meters give misleading readings. The interface range allows connection to accessories that extend the meter’s function.

Suited for daily electrical testing

The meter suits professionals who perform routine load checks, motor start-up monitoring and panel verification. It is not intended for users who require built-in data logging, Bluetooth connectivity or CAT IV 1000 V safety rating for high-energy utility work. Buyers needing those features should look at higher-specification instruments.

Highlights

  • True-RMS accuracy for non-linear loads
  • Measures AC and DC current up to 1000 V
  • 1000 V safety rating for high-voltage work
  • Interfaces with accessories for extended functions
  • Three-year parts coverage included

Specifications

BrandTES
Model3910
TypeTest Equipment
Color/FinishRed
Item Count1 pack
Selling UnitBox
Parts3 Years
Labor1 Year

Questions about this item

What is the maximum conductor diameter the 3910 clamp jaws can fit around?

The 3910 clamp jaws open wide enough for conductors up to the rated 1000 V AC/DC measurement range, allowing safe non-contact current readings on thick cables.

How do I connect the 3910 to a PC for data logging?

Use the interface port on the 3910 with the supplied cable and software to stream live readings to a computer for recording and analysis.

Which parts of the 3910 will need replacement after heavy use?

The test leads and clamp jaw tips on the 3910 are wear items; replace them when insulation shows cracks or the jaw tips no longer close cleanly.

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