❓ Frequently Asked Questions (QA)

Q1: What does “C12” in FS‑SIC‑C12 mean?
A1: “C12” indicates the internal capacitive sensing geometry and electronic configuration (such as electrode spacing, dielectric calibration) used in this variant of the sensor.

Q2: Why is the model suffixed “L6”?
A2: “L6” designates that the probe or immersion length is about 6 inches (≈150 mm), suitable for many standard tank depths.

Q3: Can I mount the sensor horizontally?
A3: Yes, horizontal mounting is possible, though vertical installation aligned with the liquid level often yields better linearity and repeatability.

Q4: Do I need to calibrate the sensor on installation?
A4: Some process tuning is recommended (zero/span adjustment) especially if the container geometry or dielectric properties vary. But baseline calibration is stable.

Q5: What fluids are incompatible with this sensor?
A5: Strong oxidizers, aggressive solvents or chemicals that attack PEEK or PTFE may degrade the sensor over time. Refer to compatibility charts.

Q6: How fast can it detect level changes?
A6: The typical response time is ≤ 100 ms, enough for many process control applications.

Q7: Does the sensor drift over time?
A7: Drift is minimal (less than 0.1 % FS per year), but for critical systems periodic verification is advisable.

Q8: What ambient temperature can it endure?
A8: It operates from –20 °C up to +85 °C. Extreme conditions outside that range may degrade performance or damage electronics.

Q9: Can I get a discrete switch output (on/off) from it?
A9: Yes, some variants provide a switch output (e.g. threshold detection) either in addition to or instead of the analog output.

Q10: How do I wire it to a PLC?
A10: Use the specified supply voltage (12–30 V DC), route the analog output (4–20 mA or 0–5 V) into an analog input on the PLC. If a switch output variant, wire that as a digital input with proper pull‑up or pull‑down circuitry.