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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