8. Frequently Asked Questions (FAQ)

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

A1: The 621‑4350R measures gauge pressure, which is pressure relative to ambient atmospheric pressure.

Q2: What is the pressure range of this sensor?

A2: It measures pressures from 0 to 4350 PSI, suitable for heavy industrial and hydraulic systems.

Q3: What output signals are available?

A3: The sensor offers selectable 4–20 mA current loop or 0–10 VDC voltage output.

Q4: What is the sensor’s accuracy?

A4: It provides ±0.5% of full scale accuracy for reliable and repeatable measurements.

Q5: Can this sensor operate in extreme temperatures?

A5: Yes, it operates reliably from –40°C to +125°C, making it suitable for cold and hot environments.

Q6: What type of media can be measured?

A6: It is compatible with air, inert gases, and non‑corrosive hydraulic fluids.

Q7: What mechanical connection does it use?

A7: It uses a standard 1/4″ NPT male threaded connection.

Q8: What environmental protection rating does it have?

A8: The 621‑4350R has an IP67 rating, providing protection from dust and temporary water immersion.

Q9: Is the sensor factory calibrated?

A9: Yes, this model is factory calibrated, though periodic verification may be recommended for critical applications.

Q10: Which industries commonly use this sensor?

A10: Commonly used in industrial automation, hydraulic systems, energy production, water/wastewater management, chemical processing, and heavy machinery.