8. Frequently Asked Questions (FAQ)

Q1: What type of pressure does the 621-2150R measure?

A1: It measures gauge pressure, meaning the pressure is referenced to ambient atmospheric pressure.

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

A2: The 621-2150R is designed to measure pressures up to 1500 PSI.

Q3: What makes the “R” version different?

A3: The “R” version features reinforced construction and enhanced environmental protection for harsher operating conditions.

Q4: What output signals are available?

A4: The sensor supports 4–20 mA current output or 0–10 VDC voltage output.

Q5: Can the sensor be used outdoors?

A5: Yes, its wide temperature range and IP68 protection allow reliable outdoor operation.

Q6: Is the sensor compatible with hydraulic oil?

A6: Yes, it is suitable for non-corrosive hydraulic oils, air, and inert gases.

Q7: What is the recommended mounting method?

A7: The sensor should be mounted using the 1/4″ NPT thread with appropriate sealing and minimal vibration exposure.

Q8: Does the sensor require regular calibration?

A8: While factory-calibrated, periodic verification is recommended for critical applications.

Q9: Can this sensor handle vibration and shock?

A9: Yes, it is designed to withstand industrial vibration and shock levels typical of heavy equipment.

Q10: Which industries commonly use this model?

A10: Manufacturing automation, hydraulics, HVAC, water treatment, mobile machinery, and general industrial process control.