Basic Information

Model Full Name: 7200 RVXY-II, Part Number 72870-03

Series Position: 7200 Generation 1 Monitoring System (not 3500 Series), Rack-mounted, with head display

Structure: Front panel with analog pointer meter + alarm/danger LEDs, rear panel wiring

Origin: Original from the United States

Function and Position

Dual-channel vibration monitoring: Receives input from eddy current probes (such as 3300 series), measures shaft vibration / shaft displacement

Application: Radial vibration, axial displacement, eccentricity monitoring and protection for rotating machinery such as steam turbines, compressors, and fans

Output: Alarm (Alert) + Danger (Danger) relay contacts, can directly interlock shutdown

Features: Hardwired, pure hardware monitoring, not dependent on software, fast response, high reliability; with local pointer display, convenient for on-site inspection

Core Parameters

Channels: 2 independent inputs (X/Y)

Input: Compatible with eddy current sensors (Proximitor)

Measurement Range: Commonly 0–250 μm (0–10 mil), customizable

Accuracy: Full scale ±1%

Alarm / Danger: Independently set for each channel, LED indicator + relay output

Power Supply: ±15V DC (rack power supply)

Size: Standard 19-inch rack, approximately 3U height

Status:停产 (EOL)， only second-hand / refurbished / inventory spare parts

Compatibility and Replacement

Compatible： 7200 Series Rack， 72870 Series Backplane， 3300 Series Eddy Current Probe

Replacement： 3500/40 (72951-xx) 4-channel vibration monitoring module (mainstream replacement model for 3500 system)