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Knowledge Hub · Test & Measurement

Guides & Insights

Practical, no-nonsense guides on calibration, choosing the right instrument, electrical safety, predictive maintenance and compliance — written by Singapore's test & measurement specialists.

E-Mobility

Type 1 vs Type 2 vs CCS2: EV Charging Connectors Compared

How Type 1, Type 2 and CCS2 EV charging connectors actually differ electrically, which one Singapore mandates for public charging, and what each means for test and installation work.

30 Jul 2026 · 12 min readRead article
E-Mobility

Earth Fault Loop Impedance Testing at EV Charging Points

Why earth fault loop impedance (Zs) testing at an EV charging point is not the same job as testing a normal socket outlet, with the calculation, a worked example, and the faults engineers actually find.

29 Jul 2026 · 13 min read
E-Mobility

Insulation Resistance Testing for EV Charging Circuits

How insulation resistance testing differs between AC and DC EV charging circuits, why a DC fast charger needs a continuously running insulation monitoring device on top of a megger test, and how to verify both actually work.

28 Jul 2026 · 13 min read
E-Mobility

EV Charger Installation Compliance in Singapore: LTA, EMA and BCA Explained

Singapore EV charger compliance runs through two separate regulators, LTA for the charger itself and EMA for the fixed electrical installation, plus a parallel BCA/SCDF fire-code layer. Here is how they actually fit together.

27 Jul 2026 · 14 min read
E-Mobility

EV Charging Modes 2, 3 and 4 Explained: The Electrical Differences That Matter for Testing

Mode 2, Mode 3 and Mode 4 EV charging are not just "slow, medium and fast." Each mode moves the control pilot function, protection device and communication method to a different physical location in the circuit, changing how you test it.

26 Jul 2026 · 12 min read
E-Mobility

Reading Fluke FEV350 and FEV500 Test Results and Fault Indications

Neither the FEV350 nor the FEV500 uses numbered "error codes." Here is what their actual test symbols, colour indicators and failed results mean, and how to tell a real charger fault from a normal design difference.

25 Jul 2026 · 13 min read
E-Mobility

Fluke TruTest Software for EV Charging Reports: A Practical Workflow Guide

How test data actually moves from a Fluke FEV350 or FEV500 into a client-ready report, how the on-device project structure is meant to be used, and how firmware updates and support data exports work.

24 Jul 2026 · 12 min read
E-Mobility

Preventive Maintenance for EV Chargers and EV Test Equipment

Two separate maintenance programmes sit behind every EV charging site, one for the charger itself, one for the test equipment used to verify it. A practical, honest schedule for both.

23 Jul 2026 · 12 min read
E-Mobility

Renting vs Buying an EV Charging Station Analyzer: The Real Numbers

The purchase price on a quotation is the smallest number in this decision. A break-even framework built on real cost categories, not brand loyalty, with the placeholder figures clearly marked as illustrative only.

22 Jul 2026 · 11 min read
E-Mobility

What MCSTs and Facilities Managers Need to Know Before Mandating EV Charger Testing

A practical, non-engineer's checklist for MCST councils and facilities managers: what approvals an EV charger actually needs, what to ask a contractor for, and the recurring costs most committees don't budget for.

21 Jul 2026 · 12 min read
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