8. Frequently Asked Questions (FAQ)

Q1: What type of pressure does the 621‑4350 measure?

A1: It measures gauge pressure, relative to atmospheric pressure.

Q2: What is the pressure range for this sensor?

A2: It can measure pressures from 0 to 4350 PSI.

Q3: What output signals does it provide?

A3: The sensor provides selectable 4–20 mA or 0–10 VDC outputs.

Q4: What is the sensor’s accuracy?

A4: Accuracy is ±0.5% of full scale, suitable for precise control applications.

Q5: Can it operate in extreme temperatures?

A5: Yes, operating range is –40°C to +125°C.

Q6: What protection does it have against environmental exposure?

A6: Rated IP67, it is resistant to dust and temporary water immersion.

Q7: What is the mechanical connection type?

A7: The sensor uses 1/4″ NPT male threads.

Q8: What types of media can be measured?

A8: Compatible with air, inert gases, and non-corrosive hydraulic fluids.

Q9: Is factory calibration provided?

A9: Yes, the 621‑4350 is factory-calibrated.

Q10: Which industries commonly use this sensor?

A10: Widely used in industrial automation, heavy machinery, energy systems, water/wastewater management, chemical processing, and manufacturing applications.