8. Frequently Asked Questions (FAQ)

Q1: What type of pressure does the 621-2200 measure?

A1: It measures gauge pressure, which is relative to atmospheric pressure, suitable for pneumatic and hydraulic systems.

Q2: What is the maximum pressure range?

A2: The sensor is designed for 0–2200 PSI, ideal for high-pressure industrial applications.

Q3: What output signals are available?

A3: Selectable 4–20 mA current or 0–10 VDC voltage output.

Q4: What is the accuracy of this sensor?

A4: ±0.5% of full-scale accuracy across the pressure range.

Q5: Can it operate in extreme temperatures?

A5: Yes, from –40°C to +125°C.

Q6: Which media can it measure?

A6: Compatible with air, inert gases, and non-corrosive hydraulic fluids.

Q7: What mechanical connection does it use?

A7: Standard 1/4″ NPT male threaded fitting.

Q8: Is it suitable for outdoor or harsh environments?

A8: Yes, IP67-rated housing provides protection against dust and temporary immersion in water.

Q9: Is regular calibration needed?

A9: Factory-calibrated; periodic verification is recommended for critical systems.

Q10: Which industries commonly use this model?

A10: Industrial automation, hydraulics, HVAC/R, mobile machinery, water/wastewater treatment, and energy systems.