NEW RELEASE 2026

EEC-31 AC/DC Hipot Tester

3 Electrical Safety Tests in 1 Unit

The EEC Huayi EEC-31 is a CE-certified 3-in-1 hipot tester for
manufacturers. ACW, DCW, and IR testing in one instrument.

STARTING AT
USD899
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AC Hipot
DC Hipot
IR Testing
AC Hipot
DC Hipot
IR Testing

Three Tests, One Hipot Tester

ACW, DCW, and IR electrical safety testing in a single instrument. No need to choose at the time of purchase.

45-day Unconditional Return Policy

Our 45-day unconditional return policy lets you verify performance on your production line, backed by a 1-year global warranty for long-term reliability.

45+ Years of Manufacturing Experience

The EEC-31 is built by EEC Huayi, a manufacturer of electrical safety testers with over 45 years of production experience.

Product Details

What Makes the EEC-31 Hipot Tester Different

Most entry-level electrical safety testers cover AC Withstand testing and nothing else. When compliance requirements change, or when a new product line introduces DC or insulation resistance testing requirements, you would need to purchase additional instruments and train operators on additional equipment. The EEC-31 eliminates that problem.

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Specifications

Test Functions:
AC Withstand (3 KV / 10 mA), DC Withstand (4 KV / 5 mA), Insulation Resistance (4 KV / 200 GΩ)
Safety & Control:
CE Certified, PLC Remote Control, Run Only & Memory Lock Security
Productivity:
3 Test Memories, Charge LO
Dimensions:
(W × H × D) 215 × 88.1 × 300 mm
Weight:
5.46 kg

Downloads

Quick Start GuideDatasheetManualDriver EEC-31

Video Channel

Quick Start Video
Operational Guide

EEC-31 Hipot Tester Features

One Dial. Full Control.

The EEC-31 uses a single rotary push control to simplify setup and programming. Instead of navigating multiple buttons and menu keys, operators rotate to adjust values and press to confirm selections.
  • Simple. Fast. Intuitive
  • Adjust Settings Instantly
  • Press to Confirm
  • Rotate to Select Test Mode

PLC Remote Control

Supports PLC remote control interface, allowing flexible adaptation to different production line applications. For test data acquisition, an optional USB communication interface is also available.

Key Features

  • PLC remote control, compatible with SCI unit interface
  • 3 storable test memories for fast production-line recall
  • Run Only and Memory Lock security modes
  • Shared accessories with SCI units
  • Operators trained in minutes, no complex setup
  • CE certified and IEC compliant
  • Professional calibration available
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Need Ground Bond Testing Too?

Need Ground Bond Testing Too?

If your production process requires Ground Bond testing in addition to ACW, DCW, and IR, the EEC Huayi EEC-41 is the right electrical safety tester. It combines all four functions in one unit.

View EEC-41

News

View All
EEC Huayi hipot tester being verified against traceable reference standards during annual calibration
How Often Does a Hipot Tester Need Calibration?
Do You Require a Hipot Tester with Ground Bond on Your Appliance Line?
Do You Require a Hipot Tester with Ground Bond on Your Appliance Line?
IEC 60335-1 Ground Bond Test Requirements | EEC Huayi
Ground Bond Testing to IEC 60335-1 on an Appliance Production Line
PLC Control for Hipot Testers – How Remote Control Improves Production Line Testing
PLC Control for Hipot Testers – How Remote Control Improves Production Line Testing
AC / DC Hipot & IR Testing - Which Method Does Your Production Line Need?
AC / DC Hipot & IR Testing – Which Method Does Your Production Line Need?
Electrical Safety Test Standards Explained: IEC, UL, and GB
Why Hipot Safety Testing Is Critical for Electrical Products
What Is Electrical Safety Testing in Manufacturing?

FAQ

Yes. Please contact our service team first. An engineer will review your request and confirm whether the unit needs to be returned. If required, an RMA form and instructions will be provided.

The EEC-31 is a 3-in-1 hipot tester that performs AC Withstand (3 kV), DC Withstand (4 kV), and Insulation Resistance testing (up to 4 kV / 200 GΩ). It does not include Ground Bond testing. For applications requiring Ground Bond, see the EEC-41.

Yes. The EEC-31 is CE certified and manufactured in accordance with IEC standards, making it suitable for certified production environments.

The EEC-31 includes a 1-year warranty supported through EEC Huayi’s authorized APAC distribution network. Professional calibration services are available through regional service centers in Taiwan and Malaysia.

Yes. The EEC-31 supports PLC remote control and uses the same interface as SCI units. Test leads and accessories are also compatible, simplifying integration for existing setups.

The EEC-31 is covered by a 45-day unconditional return policy. If it does not meet your testing needs, it can be returned within that period.

The EEC-31 is manufactured by EEC Huayi, part of the Ikonix group. With manufacturing history dating back to 1978, EEC Huayi supplies electrical safety testers to manufacturers worldwide.

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