Temperature, pressure, flow and level are easy. This is the rest.
Analyzers tell you what is in the pipe, not just how much. Learn pH and conductivity cells, oxygen and gas analyzers, process GCs, NIR and Raman, moisture and property analyzers, and the sample systems that make or break them all. Every answer explains itself. Wrong answers come back until they stick.
Mastery by domain
Line = 80% goal. Click a domain to practice it.How to use this
- Study a domain's notes. They hold the tables and formulas the exam leans on.
- Practice daily. Missed questions return the same day; known ones space out to 35 days.
- Drill the calculations until Nernst slopes, sample lag, Beer–Lambert, dew points and control charts feel automatic.
- Skills check once a week. Aim for 80%+ in every domain. Then use the Toolbox: separate peaks in the chromatogram lab and chart your own validation data.
Not tied to any analyzer maker or certification. Acceptance limits and practices vary by site, maker and regulator; check yours. Progress is stored in this browser only.
Keys: 1–4 to answer, Enter for next.
Have a calculator ready. Keys: 1–4, Enter.
Skills check
A timed mix of every domain, about a quarter calculations. No feedback until you submit. You can flag questions and jump around.
The goal is 80%: this app's own bar for a working analyzer engineer's core knowledge.