8. Frequently Asked Questions (FAQ)

Q1: What type of pressure does the Honeywell 621‑3560 measure?

A1: It measures gauge pressure, which is pressure relative to ambient atmospheric conditions.

Q2: What is the maximum pressure range of this model?

A2: This sensor is designed to measure pressures up to 3560 PSI, suitable for high‑pressure industrial systems.

Q3: What output signals are supported?

A3: The 621‑3560 supports selectable analog outputs: 4–20 mA current loop or 0–10 VDC voltage signal.

Q4: What accuracy can be expected?

A4: It provides an accuracy of approximately ±0.5% of full scale, ensuring consistent and dependable measurements.

Q5: What media are compatible with this sensor?

A5: The sensor is compatible with air, inert gases, and non‑corrosive hydraulic fluids. Media compatibility should be verified for specific applications.

Q6: What environmental protection does it have?

A6: It has an IP67 rating, meaning it is dust‑tight and can withstand temporary immersion in water.

Q7: What mechanical connection type does it use?

A7: The 621‑3560 uses a standard 1/4″ NPT male threaded mechanical interface.

Q8: Does this sensor require calibration prior to use?

A8: It is factory‑calibrated. Periodic calibration may be recommended depending on application criticality or regulatory requirements.

Q9: What is the recommended operating temperature range?

A9: It can operate between –40°C and +125°C, suitable for cold and hot environments.

Q10: In which industries is this sensor commonly used?

A10: It is commonly used in industrial automation, heavy machinery, hydraulics, energy production, water/wastewater management, and process control applications.