How many vibration inputs are available on 1900/65?

It provides four dynamic vibration channels.

Which temperature sensor groups can be assigned to 1900/65?

The monitor supports four temperature inputs for the documented thermocouple or RTD types.

How many independent relay outputs can protection logic use on 1900/65?

Six configurable relays are available.

Which analog interface sends measured values from to another system 1900/65?

Four configurable 4–20 mA recorder outputs are provided.

Can operate without the optional display 1900/65?

Yes. The monitor functions independently, while the display adds local or remote indication.

Why must the channel configuration file be preserved for 1900/65?

Sensor type, filters, scales, alarms, relay voting and outputs are software-configured.

Which checks distinguish input commissioning from relay proof testing on 1900/65?

First verify each measured signal and scale, then drive the configured alarm logic and observe every assigned relay.

What acceptance record should close work on 1900/65?

Record input response, Alert/Danger thresholds, relay voting, recorder outputs and any display or communication checks.

1900/65

Name: 1900/65
Brand: Bently Nevada
SKU: 1900/65

Equipment Monitor

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Bently Nevada 1900/65 is an eight-input general-purpose machinery monitor with four vibration channels, four temperature channels, configurable alarms, relay outputs and proportional outputs.

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Technical specifications for 1900/65

Manufacturer:

Bently Nevada
Product Category:

Machinery Monitoring Systems
Spare Part Number:

1900/65
Estimated shipping dimensions:

19.6x16.2x10.8cm
Weight:

1.35 kg
Tariff Code:

8537101190
Counliy of origin:

USA
Dynamic inputs:

Four vibration channels
Temperature inputs:

Four channels
Alarm levels:

Alert and Danger
Relay outputs:

Six configurable relays
Proportional outputs:

Four 4–20 mA outputs
Configuration:

Windows-based configuration software
Display:

Optional local or remote display
Buffered outputs:

Available for portable diagnostic connection

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Information

Overview Manuals Common Applications Product Precautions

Bently Nevada 1900/65 combines vibration and temperature monitoring in a compact stand-alone protection platform for essential and balance-of-plant machinery.

Accepts four vibration and four temperature inputs.
Provides configurable Alert and Danger processing.
Includes six relay outputs and four proportional outputs.
Supports optional local or remote indication and software configuration.

The stand-alone monitor protects smaller rotating assets that do not require a full rack system. Each input, measured variable, alarm, relay vote and recorder scale must be tied to the machine protection philosophy.

Important Notice: Confirm the complete 1900/65 hardware, channel map and firmware before replacement. Record the final configuration file and complete cause-and-effect acceptance results.

Bently Nevada 1900/65 Manuals & Downloads

Bently Nevada 1900/65 Technical Reference (PDF)Bently Nevada 1900/65 Installation & Commissioning Guide (PDF)

The first document covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.

Cooling-tower fan protection

Combines casing vibration and temperature inputs for continuous supervision.

Pump and blower monitoring

Provides local protection for essential balance-of-plant machines.

Small compressor packages

Adds configurable alarms and relays to skid-mounted equipment.

Motor and centrifuge protection

Uses vibration, temperature and proportional outputs for continuous monitoring.

Before installing Bently Nevada 1900/65, confirm the documented system, interfaces and controlled configuration.

Confirm the complete 1900/65 hardware, channel map and firmware before replacement.

Identify every vibration and temperature input before disconnecting wiring.

Match sensor type, sensitivity and power requirements to each dynamic channel.

Verify thermocouple or RTD type and polarity on every temperature input.

Restore Alert, Danger, relay voting and recorder-output scaling from the approved configuration.

Check optional display and communication connections before energizing.

Function-test alarms, relays, buffered outputs and 4–20 mA channels with controlled inputs.

Record the final configuration file and complete cause-and-effect acceptance results.

Technical notes

Confirm the complete 1900/65 hardware, channel map and firmware before replacement. Record the final configuration file and complete cause-and-effect acceptance results.

FAQ View All FAQ

How many vibration inputs are available on 1900/65?

It provides four dynamic vibration channels.
Which temperature sensor groups can be assigned to 1900/65?

The monitor supports four temperature inputs for the documented thermocouple or RTD types.
How many independent relay outputs can protection logic use on 1900/65?

Six configurable relays are available.
Which analog interface sends measured values from to another system 1900/65?

Four configurable 4–20 mA recorder outputs are provided.

Can operate without the optional display 1900/65?

Yes. The monitor functions independently, while the display adds local or remote indication.
Why must the channel configuration file be preserved for 1900/65?

Sensor type, filters, scales, alarms, relay voting and outputs are software-configured.
Which checks distinguish input commissioning from relay proof testing on 1900/65?

First verify each measured signal and scale, then drive the configured alarm logic and observe every assigned relay.
What acceptance record should close work on 1900/65?

Record input response, Alert/Danger thresholds, relay voting, recorder outputs and any display or communication checks.

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