Bently Nevada 1900/65A (172323‑01) multi‑channel machinery monitor for vibration, temperature measurement, alarm and protection of rotating equipment.

Product Overview

• Part No: 1900/65A, 172323‑01
• Brand: Bently Nevada
• Category: General Purpose Equipment Monitor

• 1900/65A 172323‑01 is a multi‑functional machinery condition monitor from Bently Nevada 1900 series. It accepts vibration, velocity, proximity and temperature sensor inputs, performs real‑time measurement, threshold comparison, alarm and relay output. It stores event logs and transmits data via communication ports, widely used for fans, pumps, compressors and other rotating machinery predictive‑maintenance protection.

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Core Features

• • 4 channels for vibration / position / speed transducer input
• • 4‑channel temperature input for RTD and thermocouple sensors
• • Independent Alert and Danger programmable alarm setpoints
• • Multiple configurable relay outputs for alarm interlock
• • Buffered transducer outputs and 4‑20mA analog recorder outputs
• • Built‑in event history logging for fault trace analysis
• • RS‑485 communication for SCADA / DCS system connection

• • Internal sensor OK detection for cable and transducer fault diagnosis

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Technical Specifications

• • Power Supply: 18‑24 VDC
• • Input Types: Accelerometer, velocity sensor, proximity probe, RTD, thermocouple
• • Relay Output: 6 programmable relay channels
• • Analog Output: 4‑channel 4‑20mA
• • Communication: RS‑485
• • Mounting: Panel or DIN‑rail installation
• • Protection Class: IP20
• • Operating Temperature: ‑20℃ ~ +60℃

• • Application: Pump, fan, compressor, small turbine rotating machinery monitoring

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Compatibility

• Compatible with Bently series proximity probes, velocity and acceleration sensors
• Supports integration with DCS, PLC and SCADA condition‑monitoring systems
• Suitable for retrofitting and new machinery protection projects