Name: Bently Nevada 330750-20-05 High Temperature Velomitor System
Brand: Bently Nevada
SKU: 2931709
Price: 1 USD
Availability: InStock

Product Introduction

Bently Nevada 330750-20-05 is a High Temperature Velomitor system that converts machine-casing vibration velocity into an electrical output. The complete assembly combines a high-temperature sensing head, a 2 m integral cable and remote signal-conditioning electronics.

Temperature zoning defines how Bently Nevada 330750-20-05 is arranged: the sensor and integral cable operate at temperatures up to 400 °C, while the signal conditioner is limited to 121 °C. Separating these sections lets the sensing end remain on the hot machine surface while the electronics operate in the cooler location.

The conditioned output of Bently Nevada 330750-20-05 has a nominal sensitivity of 5.7 mV/mm/s. Its response is specified from 15 to 2000 Hz within ±3 dB, with a tighter ±0.9 dB band from 20 to 1000 Hz, linking casing velocity to the monitor input across the stated frequency range.

Official 330750 High Temperature Velomitor system dimensional drawing

Specification Details

Specification	330750-20-05
Brand	Bently Nevada
Product Name	High Temperature Velomitor System
Country	Not specified
Cable option	2 m
Approval option	05 — multiple approvals
Sensitivity	5.7 mV/mm/s ±5%
Frequency response	15–2000 Hz ±3 dB
Precision band	20–1000 Hz ±0.9 dB
Sensor/cable limit	Up to 400 °C
Conditioner limit	Up to 121 °C
Measurement	Casing velocity
Construction	Remote signal conditioner architecture

Product Functions

The sections of Bently Nevada 330750-20-05 divide sensing, signal transfer and conditioning into separate functions within one velocity-measurement system.

Velocity sensing

The sensing head responds to vibration of the machine casing at its mounting point. Its electrical response represents velocity rather than proximity gap or shaft displacement.

High-temperature signal transfer

The 2 m integral cable carries the sensor response away from the hot mounting location. It is part of the high-temperature section and remains attached to the sensing assembly.

Remote signal conditioning

The remote electronics condition the sensor response into the specified velocity output. Locating this section away from the hottest surface keeps it within the 121 °C electronics limit.

Performance Characteristics

The usable output of Bently Nevada 330750-20-05 is defined by sensitivity, frequency response and the temperature limit assigned to each physical section.

Nominal sensitivity

The 5.7 mV/mm/s sensitivity sets the relationship between casing velocity and output amplitude. Monitor scaling uses this relationship to interpret the conditioned signal.

Two response bands

The broad 15-2000 Hz range is specified within ±3 dB, while the 20-1000 Hz range carries the tighter ±0.9 dB tolerance. The two bands describe different accuracy limits rather than interchangeable values.

Separated temperature ratings

The 400 °C rating applies to the sensor and integral cable, not to the complete assembly. The signal conditioner retains its separate 121 °C limit.

Product Questions

Why does the signal become unstable when the remote electronics are mounted near the hot casing when working with Bently Nevada 330750-20-05?

Check whether the signal conditioner is above its 121 °C limit even when the sensor and cable remain within their 400 °C limit; the two temperature ratings apply to different sections. This boundary applies to Bently Nevada 330750-20-05.

Bently Nevada 330750-20-05 troubleshooting: how can a customer confirm that the requested assembly has the correct cable reach?

On Bently Nevada 330750-20-05, verify that the complete record carries the `20` option for the 2 m integral cable and that the sensor-to-conditioner route fits within that fixed assembly length.

Bently Nevada 330750-20-05: Why can two velocity readings differ after moving the sensing head?

Bently Nevada 330750-20-05 requires this check: The sensing head measures casing velocity at its mounting point, so a different casing location has a different mechanical response even when the channel scaling remains unchanged.

What should be checked when the monitor amplitude looks consistently too high or too low on Bently Nevada 330750-20-05?

For Bently Nevada 330750-20-05, confirm that the channel uses the 5.7 mV/mm/s sensitivity of the complete system and that no proximity-probe scale factor has been entered.

When Bently Nevada 330750-20-05 is involved, how should filters be selected when the machine frequencies span a wide range?

The correct approach for Bently Nevada 330750-20-05: Use the 15-2000 Hz ±3 dB band for the broad response and the 20-1000 Hz ±0.9 dB band when the tighter tolerance is required; do not treat the two limits as the same specification.

For Bently Nevada 330750-20-05, what documentation must stay with a classified-area order?

With Bently Nevada 330750-20-05, retain the `05` multiple-approval identity with the complete system and verify that the supplied approval record matches the site requirement.

Legacy System Support

Moore Automation

https://www.mvme.cn/

Moore Automation works with legacy automation platforms whose original product lines may be mature, discontinued or difficult to identify from appearance alone.

The company organizes old label data, revision information and application notes before commercial review, helping customers preserve the installed-system context.

Legacy platform identification

Revision-data review

Installed-base context

Commercial record preparation

Product Name	Bently Nevada 330750-20-05 High Temperature Velomitor System
Item NO.	2931709
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	BENTLY NEVADA
Brand	Bently Nevada
Creation Time	2026-11-11

Bently Nevada 330750-20-05 High Temperature Velomitor System Item NO.: 2931709

Bently Nevada 330750-20-05 High Temperature Velomitor System

Product Introduction

Specification Details