Blog

This guide covers what actually matters when buying a thermal camera for electrical inspections: the specs that drive accuracy, the features that earn their cost in the field, and how to match a camera to the work.

Learn how soil moisture, temperature, and frost affect ground resistance readings. Understand when to test and which ground resistance tester method gives accurate results.

We’re excited to welcome INNO Instrument to the Cartoli lineup. Known for reliable fusion splicers, cleavers, OTDRs, and power analyzers, INNO brings trusted tools for fiber installation, testing, and maintenance.

The best HVAC techs don’t just clean, they verify. This guide covers five essential tools for ductwork and IAQ calls, including brush heads, long-run rotary brushes, inspection cameras, and airflow/pressure testing.

A simple identify, locate, inspect workflow can eliminate the most common variables in fiber troubleshooting—wrong strand selection, near-end faults, and connector contamination. Learn how fiber identifiers, VFLs, and end-face inspection kits work together as efficient first-pass checks before deeper testing.

Learn how Polarization Index (PI) and Dielectric Absorption Ratio (DAR) testing go beyond basic insulation resistance measurements. This article explains what the ratios reveal, acceptable PI values, and when advanced insulation diagnostics are necessary for reliable asset management.

Fusion splicing in the field rarely happens in perfect conditions. This guide focuses on practical tips to prevent rework and reduce splice loss when working in windy, cold, dusty, or humid environments, while offering troubleshooting steps for drift, contamination, and condensation issues.

Thickness gauges and flaw detectors both use sound waves to interrogate material, yet they’re designed to answer different inspection questions. Choosing the right one depends less on the technology and more on the result that’s needed.

Power quality analyzers aren’t all measured the same. This guide explains Class A vs Class B in practical terms, highlights what IEC 61000-4-30 Class A requires, and outlines the situations where Class A measurements are typically expected.

Selecting the right test voltage shouldn't feel like guesswork. This quick guide breaks down recommended insulation resistance test settings by application, helping teams choose an appropriate test voltage for reliable readings and safer testing.