Regulations & Standards2026-01-26•ICANSTron Technical Engineering Dept.

Required Tools and Equipment for Inspection and Maintenance Businesses: Current Regulatory Standards

The right tools come first. Based on the latest trade association standards and the MOEA regulations governing electrical equipment inspection and maintenance businesses, this list covers the standard tools required to obtain a license and ensure safe operation, including earth resistance testers, insulation resistance testers, and high-voltage detector sticks.

1. Introduction: Regulatory Changes and Professional Inspection Requirements

Under the latest amendments to the MOEA "Regulations Governing the Registration and Management of Electrical Equipment Inspection and Maintenance Businesses (用電設備檢驗維護業登記管理規則)", inspection and maintenance personnel performing periodic on-site inspections of power-receiving equipment, distribution transformers, and high/low-voltage switchgear must be equipped with compliant statutory instruments within a valid calibration cycle.

The right tools come first. To obtain a Special Class, Class A, or Class B electrical inspection and maintenance business license, qualified technical personnel are required, and the statutory "Minimum Tools and Equipment List" is a key item in on-site audits by the competent authority.

WARNINGSafety Warning & Compliance

High-voltage work safety: On-site high/low-voltage power testing environments are harsh. Instruments used on the high-voltage side should comply with IEC 61010-1 CAT IV 600V / CAT III 1000V explosion and arc-flash protection requirements. Ordinary meters without a marked safety category must not be used.

2. Statutory Standard Tools and Equipment List for Inspection and Maintenance Businesses

Under the latest evaluation standards, businesses performing high/low-voltage electrical equipment testing should be equipped with the following core measuring tools:

Equipment	Performance Requirements and Measuring Range	Recommended Standard Models (Supported by ICANSTron)	Required Calibration Standard
Earth Resistance Tester	0~2000Ω, 2-pole/3-pole methods, noise immunity	HIOKI FT6031-50 / FLUKE 1625-2	TAF / ISO 17025 annual factory report
High-Voltage Insulation Resistance Tester (Megohmmeter)	Test voltage 1000V ~ 5000V, resistance range $\ge 5\text{T}\Omega$	HIOKI IR3455 / MEGGER MIT515	Factory accuracy inspection report
Low-Voltage Insulation Resistance Tester	50V / 125V / 250V / 500V / 1000V multiple ranges	HIOKI IR4056-20 / FLUKE 1507	Annual periodic calibration
AC/DC Clamp Meter	0.1A ~ 1000A, True RMS, CAT IV 600V	HIOKI CM4373-50 / FLUKE 376 FC	Factory calibration certificate
High-Voltage Detector / Detector Stick	Applicable 3.3kV ~ 24kV, audible and visual dual alarm	HASEGAWA HSS-25B1 (Made in Japan)	Withstand voltage and impulse test certificate
Phase Sequence Tester	Non-contact electrostatic induction type, avoids electric shock risk	HIOKI PD3129-10 (short-circuit protected design)	Manufacturer inspection certificate

Recommended Instruments

HIOKI FT6031-50

Genuine authorized stock supplied by ICANSTron, with a one-year manufacturer warranty.

View Specs / Request a Quotation

3. Calibration Cycles and Regulatory Contract Considerations

NOTETechnical Note

Regulatory calibration interval: All primary measuring instruments registered for regulatory purposes (insulation testers, earth testers, clamp meters) must have a calibration cycle not exceeding 12 months, and the calibration body must be accredited by the Taiwan Accreditation Foundation (TAF).

Automated Instrument Communication Test Commands (SCPI)

Modern automated calibration systems can perform remote electrical continuity diagnostics through the standard SCPI protocol:

SCPI

:CONF:RES:EARTH
:SENS:RES:RANG 2000
:MEAS:RES?

ICANSTron INC. provides public works inspection teams across Taiwan with complete "regulatory toolkit" procurement and factory calibration services. Contact our technical engineers to request a formal quotation (RFQ).