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Welcome to the IONIO Blog, your source for the latest developments and technical articles! At IONIO, we are passionate about technology and innovation, and we aim to keep you up-to-date with the latest trends and breakthroughs in the world of test and measurement systems. On the IONIO Blog, you will find and wide range of topics, ranging from the latest hardware and software innovations to detailed analysis of emerging technologies and practical tips for your engineering projects. Keep following us for regularly updated news Welcome to IONIO – where innovation and knowledge come together!

Technicus test elektromotor stator met MTC2-R7 surgetester

Electric motor testing

Metrology

Rotor and surge test: testing a motor or a stator

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Oscilloscope trace of a square pulse with partial discharge on both edges

Electric motor testing

Metrology

Square wave impulse test with PD measurement on windings

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High-voltage tester

Metrology

Testing insulating mats per IEC 61111

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Metrology

Testing earthing equipment per IEC 61230

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High-voltage tester

Metrology

Testing phase comparators per IEC 61481

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High-voltage tester

Metrology

Testing voltage detectors per IEC 61243

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High-voltage tester

Metrology

Testing hot sticks per IEC 60832

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High-voltage tester

Metrology

Testing electrical insulating gloves per IEC 60903

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High-voltage tester

Metrology

When and how do you test high-voltage PPE?

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CIBRE analyser for circuit breaker testing

Metrology

Substation testers

Testing circuit breakers with the CIBRE analyser series

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HighTest TRAN-203 three-phase transformer tester

Transformer testers

TRAN-203 transformer tester that measures everything in one

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Three-phase transformer with copper windings and bushings

Metrology

Substation testers

Temperature rise test (Heat Run test) on transformers: practical guide

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Hand testing a product with a test probe on a test bench

Function tester

High-voltage tester

Testing light management from DALI to DMX

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High-voltage tester

Safety tester

Relay Matrix Module for test and measurement setups

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Technician safety testing a coffee machine with a test probe

Safety tester

What to know about CE marking and electrical safety tests

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Screenshot of the IONIO Training Portal home page

Calibration

Electric motor testing

Calibration certificates in the new IONIO Training Portal

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MPK-257 micro-ohmmeter in a carrying case

Metrology

Substation testers

What is micro-ohm measurement and what do you need to know?

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HighTest CIBRE L6 circuit breaker contact tester

Metrology

Substation testers

Breaker Contact Timing Test, Operations and Interpretation

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Electric motor testing

Metrology

Detecting broken rotor bars with the RIC test

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Outdoor power transformer with high-voltage bushings

Substation testers

Transformer testers

No-load current: the key to assessing voltage and power transformers

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Cover of the EASA AR100-2025 standard for rotating machines

Electric motor testing

EASA AR100-2025 for testing electric motors

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HighTest SUWI multifunctional substation tester in a case

Rental

Substation testers

The SUWI-120 as one system for the entire substation

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Safety tester

Second-chance safety tester GLP1-g 620

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Technician operating a Schleich test system at a shielded test cage

High-voltage tester

Metrology

Choosing a high-voltage tester starts with AC or DC

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MPK105R portable measuring case with display and controls

Rental

New Megabras mobile test systems for rental

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Control panel with orange and green indicator lights

Metrology

Substation testers

Static and dynamic resistance measurements

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Insulation resistance test icon among Schleich test functions

Function tester

High-voltage tester

The DC high voltage test, also known as DC Hipot

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High-voltage AC test icon among Schleich test functions

Electric motor testing

Function tester

Hot hipot during functional testing: maximum assurance that all circuits are active

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Schleich inline test system for bonding on a production line

Electric motor testing

Function tester

SCHLEICH Automation: from individual test setups to smart, scalable production lines

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Technician measuring a transformer with a portable test case

Metrology

Substation testers

IEC 61557-5 measuring equipment used in safety-related testing of low-voltage electrical installations (up to 1000 V AC and 1500 V DC).

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Measuring soil resistivity with the Wenner four-pin method

Metrology

High-voltage tester

New in our rental programme: High-voltage tester up to 80,000 V DC!

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Diagram of insulation values and leakage currents in insulation testing

Electric motor testing

High-voltage tester

Safety tester

EOL test system for electric motors

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Schleich test system for strap winders with LCD screen

Function tester

Safety tester

Tester for roller shutters and strap winders with LCD check

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Technician testing an LED luminaire with a test probe in a lab

Function tester

High-voltage tester

Electrical safety tests for luminaires EN60598-1

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High-voltage tester

Used high voltage tester UH28M

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Cross-section of an electric motor with stator and rotor

Electric motor testing

Function tester

Video test systems linear motors, electric motors and coils

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Schleich GLP2-Modular electrical safety tester

Function tester

High-voltage tester

Control of GLP2-Modular via SCPI

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Combox connection module for DALI and DMX testing

Function tester

Safety tester

Testing of DALI interface with safety tester GLP2

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AC high-voltage test on a cable with several HV connections

Function tester

High-voltage tester

High-voltage AC testing

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GLP2-ce safety tester for testing distribution cabinets to EN IEC 61439

Function tester

High-voltage tester

Testing distribution cabinets according to EN IEC 61439

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PRM5 precision resistance meter from IONIO

Electric motor testing

Function tester

Resistance meter PRM5

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Video: laser-marked stator after testing

Electric motor testing

Function tester

Laser marking test object

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Testing railway components with Schleich test systems

Function tester

High-voltage tester

Testing of railway components

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Video: AC high-voltage test with a probe on a coil winding

High-voltage tester

High voltage tester with 20 kV – 300 mA

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Special test cages with hinged protective covers

Function tester

High-voltage tester

Test cages

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Insulating gloves clamped in test containers for an airtightness test

Calibration

High-voltage tester

Checking high voltage detectors and high voltage testers

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Motor Measurement Day 2025 poster with technician measuring an electric motor

Electric motor testing

IONIO Motor Measurement Day 2025

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Adjustable 40 kV AC high-voltage transformer tester

Calibration

High-voltage tester

High-voltage tester 40 kV AC

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Video thumbnail of a high-voltage test on a cable

High-voltage tester

Safety tester

Test cage with built-in high voltage tester

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High-voltage test cabin for tests up to 50 kV

Electric motor testing

Function tester

New brochure test cages

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Partial discharge graph showing PDIV, RPDIV, RPDEV and PDEV

Electric motor testing

Checking electric motor suitability on frequency inverter

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Electric motor testing

High-voltage tester

Testing electric motors with high voltage AC test

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GLP2-Basic safety tester with touchscreen and 19-inch housing

Function tester

High-voltage tester

GLP2-Basic safety tester for rental

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Test cage for safety during high-voltage testing

High-voltage tester

Test cages

Test cage for high voltage tester

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ABB F204 AC four-pole residual current circuit breaker

Function tester

Safety tester

Testing of earth leakage circuit breakers

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Video thumbnail: high-voltage test on winding wire, IEC 60851-5

High-voltage tester

High-voltage test IEC 60851-5

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Technician at a test cage with hinged cover in a factory

Function tester

High-voltage tester

Space-saving test cage model 20

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Schleich test system for distribution boxes with light curtain safeguard

Function tester

High-voltage tester

Testing of distribution boxes

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Function tester

Safety tester

Testing LED luminaires EN60598-1 DALI DMX

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Video thumbnail of automotive charging cable testing

Function tester

Safety tester

Testing of automotive charging cables

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Operator at a Schleich high-voltage test system with test cage

High-voltage tester

Rental

Adaptation of high voltage tester 40,000 volts

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Surge test graph with damped waveforms at high and low voltage

Electric motor testing

Maximum test voltage Surge test

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Graph of a 1 ohm resistance at various temperatures

Function tester

Metrology

Resistance and temperature

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Video thumbnail of PCB testing on a Schleich test system

Function tester

High-voltage tester

Testing of PCB

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Calibration

High-voltage tester

Safety tester

Lighting test EN60598-1 with GLP2-Modular Technology Package

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Bonding and test system for coils and windings

Electric motor testing

Bonding and test system for windings and coils

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Technician testing LED lighting in a Schleich test system

Function tester

Safety tester

The Technology Package – Windows® 10 for the GLP2

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Mobile Schleich high-voltage test system for railway vehicles

High-voltage tester

Safety tester

High-voltage test on railway vehicles

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Rental

Safety tester

Metrology

The earthing measurement (PE/GB)

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Leaktester

Explanation dual absolute leakage test

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Stator connected to a semicircular Schleich terminal block

Electric motor testing

Function tester

Hemispherical terminal block with kelvin clamps

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Leakage current test icon among Schleich test functions

Safety tester

Leakage current measurement to EN60990 and EN60601

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Earthing test on a luminaire with a GLP2-ce probe

Function tester

Safety tester

Script programming for the GLP2 series

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Calibration

Electric motor testing

Remote online calibration

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Schleich 12 kV AC high-voltage relay with red cables

Function tester

High-voltage tester

High-voltage relay 12 kV AC

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Tester screen with on-screen keyboard for RFID scan input

Safety tester

Script GLP2

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High-voltage tester

Safety tester

Safety first – Test cage

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Oscilloscope trace of dU/dt during an AC high-voltage test

Electric motor testing

High-voltage tester

What does dU/dt mean in high voltage test AC?

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Leaktester

Temperature during leak tests

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Diagram of two sine waves with different frequency and amplitude

Function tester

High-voltage tester

Metrology

The high-voltage test AC (HV-AC)

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Set of Kelvin clamps for four-wire resistance measurement

Test and measurement accessories

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Video thumbnail: leak test on rear light unit with ForTest tester

Leaktester

Leak tester T8090 Dual Absolute

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Leaktester

Leak test on rear light unit in the automotive industry

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Calibration

Electric motor testing

Inspection Measurement Market 17 November 2022

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Motor test plug for motor terminal boards

Electric motor testing

High-voltage tester

Connection terminals for terminal boards

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Function tester

Leaktester

Electrical test system combined with leak tester

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Calibration

Leaktester

High-voltage tester

Electrical test equipment according to NEN-EN 50191

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Login screen of the IONIO training platform with email field

Calibration

Electric motor testing

The new IONIO training platform

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Electric car with battery pack at a charging station

Function tester

High-voltage tester

Testing charging posts and charging stations

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High-voltage tester

Safety tester

Projects

Leak test pneumatic cylinders

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GLP2 screen backing up the tester settings to a USB stick

Electric motor testing

Function tester

Safety tester

Testing of LED lighting EN60598

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Test systems being prepared on a workbench in the office

Electric motor testing

Function tester

High-voltage tester

Expanding the GLP2-Basic range with resistance measurements

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Automeg wiring harness tester from MK Test Systems

Cable harness tester

Function tester

Fully charged for successful battery test

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High-voltage tester

Safety tester

High-voltage tester

What is an insulation resistance measurement?

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Four-wire Kelvin resistance measurement diagram with formula R = UR / Itotal

Electric motor testing

Function tester

High-voltage tester

Safety tester

Safety in ESD rooms and high voltage measurements

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Loop resistance diagram with one open bonding connection

Bond- and looptester

Safety tester

Loop resistance test on aircraft for lightning safety

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IONIO Logger for SCPI high-voltage data logging

High-voltage tester

Test and measurement accessories

High-voltage measurement data logging on the GLP2 range via SCPI

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Safety tester

Electrical safety testers for compliance with standards

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High-voltage tester

Test and measurement accessories

New high-voltage test cabin up to 50 kV

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Leak test pressure curve with fill, stabilise, test and exhaust phases

Leaktester

Test phases in leak detection, from filling to measurement

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Function tester

Safety tester

New brochure GLP2-Modular

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Electric motor testing

Dynamic MotorAnalyzer

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Gijsbert van Brummelen of IONIO in front of the IONIO office building

Gijsbert at IONIO is here to help you.

At IONIO, we not only supply advanced testing and measurement systems, but also offer clear and expert advice to optimise the testing of your product.

Find out how we can improve your business processes. A consultation can be scheduled in no time!

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