100 in stock

Bently Nevada 3500/50M Tachometer Module

Brand/Manufacturer: Bently Nevada

Order Number: 3500/50M

Type: Bently Nevada 3500 Monitoring System

Country of Origin: USA

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The 3500/50M Tachometer Module is a 2-channel module that accepts input from proximity probes or magnetic pickups to determine shaft rotative speed, rotor acceleration, or rotor direction. The module compares these measurements against user-programmable alarm setpoints and generates alarms when the setpoints are violated.

The Tachometer Module can be configured to supply conditioned Keyphasor signals to the backplane of the 3500 rack for use by other monitors. Therefore, you don't need a separate Keyphasor module in the rack. The 3500/50M Tachometer Module has a peak hold feature that stores the highest speed, the highest reverse speed, or the number of reverse rotations that the machine has reached.

Bently Nevada 3500/50M Specifications

Input signal range

+10.0 V to -24.0 V

Input impedance

20 k Ω (standard)

40 k Ω (TMR)

7.15 k Ω (Internal Barrier)

Power consumption

5.8 watts, typical

Transducers

Accepts 1 to 2 proximity transducer signals

Output Impedance

550 Ω

Transducer Power Supply

24 Vdc, 40 mA maximum per channel

current output

0 to +12 Vdc range across load

RPM/Min Accuracy

± 20 rpm/min

Features and Benefits

1. The industry’s most extensive selection of machinery measurement parameters combined with software configuration for virtually all monitor options.

2. Maximum reliability with extensive self-checking and fault-tolerant design features.

3. Rugged design that is fully compliant with the American Petroleum Institute’s Standard API 670 and API 618 requirements, Canadian Standards Association (CSA), Factory Mutual (FM), GOST, ATEX, and CE requirements

4. Compatibility with a variety of locally or remotely mounted displays

5. Flexibility for configuration with various levels of redundancy, ranging from simplex modules to dual power supplies to redundant relay modules with wide-ranging and flexible logical operator options for configuring complex relay logic as desired

6. Optional DNV and Class NK certifications for maritime applications, and communication gateway module to connect to plant control and automation systems

7. TÜV Functional Safety Certification that can be supplied for applications requiring up to Safety Integrity Level (SIL) 2, when the product is used as part of a safety instrumented system

Relevant Part Number

3300/03-01-00

3500/91-01-02-00

3500/15

3300/14

330730-040-03-00

3500/61

3300/50-01-00-00-00

9200-01-05-10-00

3500/42-06-RU

3500/40 126615-01

3500/20 125744-02

330878-90-00

3500/60 133835-01

3500/93 135799-01

330103-03-09-10-02-00

3500/72M

3500/42 138708-01

135813-01

3500/22M 288055-01

990-08-XX-01-00

330190-080-01-00

3500/15E

3500/40 143488-01

330180-51-00

3500/42 135489-02

3300/16-13-01-01-00-00-00

3500/33

330130-040-00-00

3300/50

330130-040-01-00

3500/50M

3300/35

330930-040-01-00

3500/45 140072-04

3300/20-13-03-01-00-00

133300-01

3500/60-05-01

3300/55

3500/32M 149986-02

330180-91-00

3300/05-22-00-00

136719-01

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Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

Reliable Partner for Original Parts


Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

Trusted Source for Industrial Automation Spares


We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

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