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Engineering articles, calibration guides, cleanroom standards, and HVAC diagnostic best practices.

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HVAC & Cleanroom 6 min read

Pengujian Integritas Filter HEPA Menggunakan Aerosol Photometer

Panduan lengkap pengujian kebocoran filter HEPA cleanroom dengan metode DOP atau PAO sesuai standar ISO 14644-3.

Sep 06, 2026 View Details

HVAC 6 min read

Duct Humidity Measurement: Best Practices for Transmitters in High-Velocity AHU Systems

Proper transmitter placement, probe insertion depth, and protection against condensation are critical factors in achieving accurate relative humidity readings in high-volume air handlers.

Aug 26, 2026 View Details

Measurement 8 min read

ISO 14644-3 Cleanroom HEPA Filter Integrity Testing: Photometer vs Particle Counter

A technical comparative analysis of aerosol photometer scanning methods versus discrete particle counters for cleanroom in-situ filter leak detection.

Aug 20, 2026 View Details

Technical Knowledge 5 min read

Differential Pressure Transmitters in Cleanrooms: Static vs Velocity Pressure Principles

Understanding room cascade pressure gradients, sensor calibration zero-drift, and mounting orientation for reliable room isolation.

Aug 13, 2026 View Details

Product Guide 4 min read

Carbon Dioxide (CO2) Measurement in Demand-Controlled Ventilation (DCV)

How NDIR dual-wavelength infrared sensors maintain long-term calibration stability in commercial buildings and green-certified facilities.

Aug 04, 2026 View Details