Product Introduction
18745-04 Functional Description
A proximity sensor is a non-contact sensor that detects the presence of an object (also known as the "target")
when it enters the sensor's field.
The system is a non-contacting, gap-to-voltage transducer system that measures both static and dynamic
distances between the probe tip and the observed object. The wide applicability in any situation requires an
accurate, non-contact displacement measurement.
However, the most prevalent application is for shaft position and vibration measurements on rotating and
reciprocating machinery. They are intended for use with nearly any machine type, including gas and steam
turbines, compressors, pumps, centrifuges, electric motors, and generators. The system has an 80 mil (2mm)
linear measuring range and is API 670 compliant.
A system comprises a probe with an integrated coaxial cable, an extension cable, and Proximitor. All 7200
proximity transducer systems are compatible with 3300 and 9000 Monitoring Systems.
Mounting
Install the Proximitor sensor in a location that meets its environmental requirements. Take into account the
local electrical codes as well as the presence of hazardous or explosive gas at the installation site.
These probes use fluctuations in an electromagnetic field generated by the probe to determine the position
of the bearing shaft relative to the bearing casing as well as the dynamic vibration of the rotating shaft. The
validity of the data measured by the monitoring system is greatly influenced by proper probe mounting.
Features
0 Hz (DC) to 10 kHz frequency response
Non-contacting
Systems for Gap-to-Voltage Transducers
Static and dynamic distances are measured.
Product Characteristics
Probe Diameter: 5mm
Cable length: 29.5 ft
Scale factor: 200 MV/MIL
Temperature range: -50 degrees Celcius - 100 degrees Celsius
Type : Sensor
Part voltage rating : -18 to -24 VDC
Cable length : 9M
Dimensions (HxWxD): 8.13 cm X 6.12 cm X 6.35 cm
Maintenance and Troubleshooting
The transducer system does not require periodic verification. If any of the following conditions occur, use standard scale factor verification to verify operation:
System components are replaced or disturbed.
the system's performance deteriorates or becomes erratic
You suspect that the transducer is not properly calibrated.
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