Bently Nevada 18745-04-05 7200 Series Proximitor

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Manufacturer: Bently Nevada
Product No.: 18745-04-05
Country of origin:United States
Product Type: Proximitor
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 590g
Dimensions: 79.2 mm x 60.5 mm x 50.8 mm (H x W x D)
Shipping port: Xiamen
Warranty: 12 months

Description

The 18745-04-05 is a 7200 Series Proximitor sensor designed for use in 7200 proximity transducer systems. This specific configuration supports a 9-metre combined system length (Option 04) and includes standard agency approvals (Option 05) for hazardous location environments. As a critical component of the eddy-current displacement monitoring chain, this Proximitor converts the radio frequency signal from the probe into a conditioned linear voltage output suitable for connection to Bently Nevada monitoring systems. This unit is compatible with 7200 Series 5 mm and 8 mm proximity probes and extension cables. The system measures both static and dynamic gaps between the probe tip and the target, providing essential data for radial vibration, axial thrust position, and shaft position measurements. The 9-metre system configuration is suitable for installations where the Proximitor is mounted at a significant distance from the probe, maintaining signal integrity over the longer cable run.

Features

System length: 9 metres (Option 04)
Agency Approval: Standard hazardous area certification (Option 05)
Compatible with 7200 Series 5 mm and 8 mm proximity probes
Scalable range of 80 mils (2.0 mm) with a scale factor of 200 mV/mil
Designed for shaft position and vibration monitoring on rotating machinery
Three-conductor shielded cable interface for signal output and power input
Operating temperature range: -51 Celsius to +100 Celsius

Applications

Radial vibration measurement for bearing condition monitoring
Axial thrust position measurement for thrust bearing wear indication
Shaft average radial position for rotor stability assessment
Rotating and reciprocating machinery including steam turbines, gas turbines, compressors, and pumps
Vibration amplitude and phase angle plotting for diagnostic analysis

Ordering Information

Option	Code	Description
Orderable Part Number	18745-04-05	7200 Series Proximitor
System Length	04	9 metre system length
Agency Approval	05	Hazardous location certification

Technical Specifications

Manufacturer	Bently Nevada
Model	18745 7200 Series
System Length	9 metres
Calibrated Range	80 mils (2.0 mm)
Scale Factor	200 mV/mil (7.87 V/mm)
Frequency Response	0 Hz to 10 kHz
Power Requirements	-17.5 Vdc to -26 Vdc at 12 mA
Operating Temperature	-51 Celsius to +100 Celsius
Height	50.8 mm (2.00 inches)
Length	79.2 mm (3.12 inches)
Width	60.5 mm (2.38 inches)

Installation Guidelines

Ensure the Proximitor is installed in a protected, dry environment, preferably in a dedicated housing or junction box.
Maintain proper grounding for the three-conductor shielded cable to prevent electrical noise interference.
Verify that the combined system length (probe + extension cable) matches the 9-metre specification for this Proximitor.
Avoid routing signal cables parallel to high-voltage power lines to minimize electromagnetic interference.
Consult the 7200 Series hazardous area installation manual if mounting in a classified location.

Compliance and Certifications

Designed for compatibility with API 670 requirements.
Hazardous location certifications (CSA, FM, BASEEFA) applicable per Option 05 designation.

Key Features:

#Proximitor

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

What does the 18745-04 part number signify?

The 18745-04 code indicates a 7200 Series Proximitor specifically calibrated for a 9-metre total system length (probe plus extension cable).

Is this Proximitor compatible with 3300 Series systems?

The 7200 Series Proximitors are generally compatible with older monitoring systems, but they are specifically engineered for the 7200 series transducer chain. Ensure your monitor input matches the 7200 output requirements.

What is the scale factor for the 7200 Series Proximitor?

The standard scale factor for 7200 Series systems is 200 mV/mil (7.87 V/mm).

Can I use this Proximitor for radial vibration measurement?

Yes, the 7200 Series Proximitor is commonly used for radial vibration, axial thrust position, and shaft position measurements.

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Bently Nevada 18745-04-05 7200 Series Proximitor