8. Frequently Asked Questions (FAQ)

Q1: What type of pressure does the Honeywell 621-1180 measure?

A1: It measures gauge or absolute pressure depending on configuration, making it suitable for fluid and gas pressure monitoring in industrial systems.

Q2: How accurate is the Honeywell 621-1180?

A2: The sensor offers ±0.5% full-scale accuracy, which ensures precise readings for critical control applications.

Q3: What output signals are available on this model?

A3: It supports both 4–20 mA current loop and 0–5 VDC voltage output, selectable based on the system requirements.

Q4: Can the sensor operate in extreme temperatures?

A4: Yes, it functions reliably from –40°C up to +125°C, making it suitable for harsh industrial environments.

Q5: What electrical connection does the 621-1180 use?

A5: It uses a Deutsch DT04-3P plug, which is common in industrial applications for secure electrical connections.

Q6: What is the enclosure protection rating?

A6: This model carries an IP67 rating, providing protection against dust ingress and temporary water immersion.

Q7: Is it suitable for medical applications?

A7: Yes, because of its stability and precision, it is often used in medical devices such as respiratory equipment and gas monitoring systems.

Q8: What materials are compatible with the sensing element?

A8: The sensor is compatible with air, inert gases, and many non-corrosive liquids.

Q9: How is this sensor mounted?

A9: It mounts via a standard 1/4″ NPT male fitting for easy integration into existing fluid systems.

Q10: What makes the 621 Series reliable for industrial use?

A10: The combination of rugged housing, broad temperature tolerance, selectable outputs, and robust accuracy provides long-term reliability in demanding applications.