Bently Nevada 1900/55 Fan Monitor

Overview

The Bently Nevada 1900/55 is a fan monitor designed for industrial machinery protection systems. It continuously monitors fan vibration, speed, and operational health, providing early detection of mechanical faults to prevent downtime and maintain safe operation.

General Information

Part Number: 1900/55

Manufacturer: Bently Nevada (GE Measurement & Control)

Brand / Country of Origin: Bently Nevada / USA

Series: 1900 Series

Type: Fan Monitor

Mounting: Panel or machinery-mounted installation

Technology: Vibration and speed monitoring, signal conditioning, fault detection

Power Specifications

Supply Voltage: 24 V DC

Power Consumption: ≤ 15 W

Input: Powered through system interface

Protection: Overvoltage, short-circuit, and reverse-polarity protection

Indicators: LEDs for operational status and fault

Communication & Interface

Communication Ports: Compatible with Bently Nevada 1900 Series monitoring system

Protocol Support: Analog and digital signal output to machinery protection systems

Diagnostics: Continuous monitoring of fan speed, vibration, and operational parameters

Operator Interface: LED indicators and test inputs

Reset Features: Automatic recovery after fault clearance

I/O & Channels

Monitoring Channels: Fan speed, vibration amplitude, and phase signals

External Load Support: N/A

Environmental

Operating Temperature: −20 to +70 °C

Humidity: Up to 95% RH, non-condensing

Protection Rating: IP65 (industrial sensor enclosure)

Dimensions & Weight

Dimensions (L × W × H): 337 × 295 × 130 mm

Weight: ~ 3.18 kg

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