Industrial Vibration Analysis: Faults, Spectra and ISO 20816
How vibration analysis finds unbalance, misalignment, looseness and bearing defects: measurement points, FFT spectra and ISO 20816 zones.
Read articleBlog
Technical blog
Practical guides to electrical testing, measurement, calibration and regulatory compliance in Mexico, written by our engineers.
VLF and Hipot Testing of MV Cables: An IEEE 400.2 Guide
Why 0.1 Hz VLF suits XLPE cables, withstand vs. diagnostic tests, tan delta, IEEE 400.2 guidance and safe preparation for MV cable testing.
Read article
Rent vs. Buy Test Equipment: A Decision Framework
Rent or buy test equipment? Compare utilization, calibration, obsolescence, OPEX vs. CAPEX, Mexican import lead times and training.
Read article
NIST Traceability Explained for ISO 9001 and IATF 16949 Audits
What metrological traceability means, what auditors check under ISO 9001 7.1.5 and IATF 16949, and how it differs from ISO/IEC 17025.
Read article
Insulation Resistance Testing: PI, DAR and IEEE 43 Explained
How to test insulation resistance on motors, cables and transformers: spot test, PI, DAR, test voltage, temperature correction and IEEE 43 limits.
Read article
Vector Network Analyzers: S-Parameters and Calibration Guide
A practical VNA guide: S-parameters, SOLT, TRL and ECal calibration, cal kits and verification, plus antenna, cable, filter and amplifier measurements.
Read article
Ground Resistance Testing in Mexico: Methods, NOM-022, IEEE 81
Fall-of-potential, 3/4-pole, clamp-on and Wenner soil resistivity explained, plus what NOM-022-STPS and NOM-001-SEDE require for plants in Mexico.
Read article
Infrared Thermography for Electrical Maintenance: A Field Guide
What IR thermography finds in electrical panels, how to survey under load, classify hot spots by delta-T per NETA, report results, and its limits.
Read article
Power Quality and Mexico’s Grid Code: A Compliance Guide
What Mexico's grid code requires of industrial loads: harmonics, flicker, unbalance, power factor, Class A analyzers, logging time and prep steps.
Read article
Transformer Oil Breakdown: ASTM D877 vs D1816 vs IEC 60156
How ASTM D877, ASTM D1816 and IEC 60156 differ for transformer oil breakdown voltage: electrodes, gap, sampling, moisture and test frequency.
Read articleHave a project or a test coming up?
Send us the details and an engineer will get back to you today.