Bently Nevada 21505-00-12-05-02

Ordering Information

Part Number: 21505-00-12-05-02

Series: 7200 Proximity Probe System

Probe Tip Diameter: 8 mm (0.315 in)

Probe Body Length: 64 mm (2.52 in) nominal; overall length including cable varies by cable length

Cable Length Code (“12”): 1.2 m (4.0 ft) with high-temperature, braided-shield cable

Connector: 10-pin mini-DIN field-replaceable

Mounting Thread: 3/8-24 UNF standard

Technical Parameters

Linear Measurement Range: 2 mm (80 mils) for Bently Nevada 21505-00-12-05-02

Sensitivity: 7.87 mV/µm (200 mV/mil) ±5 % when used with matching Proximitor

Output Voltage Range: –2 V to –18 V DC (over linear range)

Frequency Response: DC to 10 kHz (–3 dB point)

Operating Temperature:

Probe: –35°C to +177°C in Bently Nevada 21505-00-12-05-02

Cable: –51°C to +200°C

Pressure Rating: Suitable for use in pressurized environments up to 10,000 PSI

Environmental Protection: IP67 when mated

Product function

Primary Function: Converts distance between the probe tip and conductive target into proportional voltage signals using Bently Nevada 21505-00-12-05-02.

Output Signal: Analog signal processed by Proximitor module for shaft measurements.

System Role: Provides core sensing in Bently Nevada 21505-00-12-05-02 for vibration monitoring and position detection.

Installation: Mounts in bracket or through-hole near shaft surface.

Application Areas

Steam Turbines: Bearing vibration monitoring with Bently Nevada 21505-00-12-05-02

Gas Turbines: Overspeed protection and shaft monitoring

Compressors: Shaft alignment detection

Motors and Generators: Bearing fault detection using Bently Nevada 21505-00-12-05-02

Pumps: Monitoring for cavitation and rotor instability

Industrial Machinery: High-speed measurement needs