You might see links for "Industrial Instruments N5" or older N6 editions (1980s/90s). Those are outdated — the syllabus changed significantly around 2012/2015 to include PLCs, smart transmitters, and HART communication.
Since the N6 Industrial Instruments syllabus covers: industrial instruments n6 textbook pdf
: Advanced topics in flow, pressure, and temperature measurement, often incorporating spectroscopy and chromatography. You might see links for "Industrial Instruments N5"
Unlike mainstream academic books, N6 industrial textbooks are often published regionally (e.g., by Pearson South Africa or MacMillan). This creates three major challenges: and temperature measurement