Bently Nevada 1900/65A General Purpose Equipment Monitor

Product Overview

The Bently Nevada 1900/65A is a versatile, cost-effective solution designed for continuous monitoring and protection of various equipment used in different industries. With its robust performance and affordability, it is ideal for general-purpose machines and processes requiring ongoing monitoring.

Key Features

The 1900/65A supports multiple inputs and outputs to ensure comprehensive monitoring capabilities. Its design includes four transducer inputs and four temperature inputs, with software configuration flexibility for various sensor types. These inputs support accelerometers, velocity sensors, and proximity sensors, providing extensive monitoring options for different machinery setups.

Technical Specifications

Inputs:
- 4 transducer inputs supporting 2- and 3-wire accelerometers, velocity sensors, or proximity sensors.
- 4 temperature inputs supporting Type E, J, K, and T thermocouples and 2- or 3-wire RTDs.
Outputs:
- 6 relay outputs for OK, Alert, and Danger statuses.
- 4–20 mA recorder outputs.
- Dedicated buffered output for each transducer input.
Software Configuration:
- 1900 Configuration Software allows for easy configuration of relay contacts based on channel statuses and data output.

Filters and Frequency Ranges

The 1900/65A is equipped with various filters to ensure high-quality signal processing. These include:

Vibration Filters:
- High-pass and low-pass filters with configurable ranges from 0.5 Hz to 25 kHz (4-pole).
Enveloping Filters:
- High-pass (25 Hz to 5 kHz) and low-pass (125 Hz to 25 kHz) filters, both configurable with 2-pole or 4-pole options.
Bias and OK Filters:
- 1-pole low-pass filter with a 0.01 Hz cutoff for bias filtering and 2.4 kHz low-pass filter for OK status.

Performance and Accuracy

Full Scale Range:
- Vibration and enveloped measurements: 20 to 500 m/s² (2 to 50 g) for peak and RMS.
- Integrated vibration range: 10 to 100 mm/s (0.4 to 4 in/s) peak and RMS.
Bias Voltage: 24 V
Accuracy:
- Vibration variables: ±1% of the full-scale range.
Input Impedance: 10 kΩ for 3-wire voltage mode.