FAQ

Q: What is a proximity probe housing assembly?

A: It’s a protective enclosure that holds a proximity probe, securing it in place on a machine casing and shielding it from environmental

hazards while maintaining proper gap and alignment for accurate vibration and displacement measurement.

Q: What does the part code 21000-16-10-00-030-00-02 indicate?

A: Part numbering in the 21000 series breaks down into elements such as:

• 16 – Compatible with a 3300 XL 8 mm proximity probe (with connector)

• 10 – Standard 1.0 m cable length

• 00 – No standoff adapter

• 030 – Probe penetration length (e.g., approx. 3.0 in)

• 00 – Fittings/configuration options

• 02 – Housing mounting thread (e.g., 3/4-14 NPT)

The exact meaning of the suffix varies by exact 21000 configuration — consult the official datasheet for precise decoding.

Q: Why do I need a housing for a proximity probe?

A: Without a proper housing, proximity probes would be exposed to dust, moisture, and plant vibration, reducing sensor accuracy

 and service life. Housings also simplify installation and maintenance.