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SKU:3500/50M-01-01
Bently Nevada 3500/50M Two-Channel Tachometer
Manufacturer: Bently Nevada
Product No.: 3500/50M-01-01
Product Type: Temperature Monitor
Product Origin: USA
Payment:T/T, Western Union
Weight: 820g
Shipping port: Xiamen
Warranty: 12 months
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Descrição
Product Overview
The 3500/50M-01-01 is a two-channel tachometer module for speed monitoring of turbines, compressors, and rotating machinery. It accepts proximity probe or magnetic pickup signals, delivering accurate RPM measurements up to 99,999 rpm. Designed for the 3500 rack, it provides reliable speed, rotor acceleration, and zero-speed detection.
Technical Configuration
I/O Module Type: 01 – Internal Terminations
The 01 suffix designates an I/O module with internal terminations. This eliminates external termination blocks, simplifying installation and reducing wiring complexity.
Agency Approval: 01 – cNRTLus (Class I, Div 2)
The 01 approval certifies the module for Class I, Division 2 hazardous areas. Complies with cNRTLus standards for use in industrial environments with potentially flammable atmospheres.
Technical Specifications
| Parameter | Specification |
|---|---|
| Channels | 2 per module |
| Input Signal | +10.0 V to -24.0 V (internal limiting) |
| Input Impedance | 20 kΩ (standard) / 40 kΩ (TMR) / 7.15 kΩ (Internal Barrier) |
| Transducer Power | 24 Vdc, 40 mA max per channel |
| Max Input Frequency | 20 kHz |
| Max Full Scale Range | 99,999 rpm |
| Events per Revolution | 1 to 255 (Rotor Accel/Zero Speed) / 0.0039 to 255 (others) |
| Min Frequency (Proximity) | 0.0167 Hz (1 rpm @ 1 event/rev) |
| Min Frequency (Magnetic) | 3.3 Hz |
| RPM Accuracy (<100 rpm) | ±0.1 rpm |
| RPM Accuracy (100–10,000 rpm) | ±1 rpm |
| RPM Accuracy (10,000–99,999 rpm) | ±0.01% of true speed |
| RPM/Min Accuracy | ±20 rpm/min |
| Power Consumption | 5.8 W typical |
| Monitor Module (H x W x D) | 241.3 mm x 24.4 mm x 241.8 mm |
| Monitor Weight | 0.82 kg (1.8 lbs) |
| I/O Module (non-barrier) (H x W x D) | 241.3 mm x 24.4 mm x 99.1 mm |
| I/O Module (non-barrier) Weight | 0.20 kg (0.44 lbs) |
| I/O Module (internal barrier) (H x W x D) | 241.3 mm x 24.4 mm x 163.1 mm |
| I/O Module (internal barrier) Weight | 0.46 kg (1.01 lbs) |
| Rack Space | 1 full-height front slot (monitor) + 1 rear slot (I/O) |
Installation & Maintenance
Wiring & Termination
Internal termination eliminates external blocks. Connect proximity probes or magnetic pickups to I/O inputs. Use shielded twisted-pair cables for signal integrity. For hazardous area installations, the internal barrier option provides intrinsic safety.
Configuration
Configure speed setpoints, channel types, and events per revolution via 3500 Configuration Software (v4.20+). Requires 3500/22M Firmware Rev 1.70+ and 3500/50M Firmware Rev 5.30+. Not compatible with 3500/20.
System Requirements
To add this module to an existing 3500 system: 3500/22M Firmware Rev 1.70, 3500/01 Software v4.20+, 3500/02 v2.52+, 3500/03 v1.52+, and 3500/50M Firmware Rev 5.30+.
Engineering Advantages
High-Speed Precision
Measures up to 99,999 rpm with accuracy of ±0.01% above 10,000 rpm. Supports input frequencies up to 20 kHz and 255 events per revolution for detailed speed analysis.
Versatile Transducer Support
Accepts both proximity probes and magnetic pickups. Three input impedance options (20kΩ, 40kΩ, 7.15kΩ) accommodate standard, TMR, and internal barrier configurations.
Hazardous Area Ready
cNRTLus approval (Class I, Div 2) enables installation in potentially flammable environments. Internal barrier I/O modules provide additional safety for intrinsic safety applications.
Technical FAQs
Q1: What is the maximum RPM this module can measure?
A1: 99,999 rpm full scale with accuracy of ±0.01% of true shaft speed above 10,000 rpm. Maximum input frequency is 20 kHz.
Q2: What firmware versions are required for this module?
A2: Requires 3500/22M Firmware Rev 1.70+, 3500/50M Firmware Rev 5.30+, 3500/01 Software v4.20+, 3500/02 v2.52+, and 3500/03 v1.52+. Not compatible with 3500/20.
Q3: What is the difference between internal terminations and external terminations?
A3: The 01 option provides internal terminations – all connections are made directly on the I/O module. This eliminates external termination blocks, reducing installation time and potential wiring errors.
Especificações Adicionais
- Azul
Escalar (V/f)
Vetor
Alimentado por corrente alternada
Guia de Compra
- Confirme o modelo exato, número da peça e especificações antes de fazer o pedido.
- Garanta a compatibilidade com sua máquina ou sistemas de controle atuais.
- Entre em contato pelo sale@etowonauto.com ou pelo +8617859788089 para assistência técnica.
- Verifique as opções de entrega, prazos e requisitos de envio.
- Siga as instruções do fabricante e as melhores práticas durante a instalação.
Envio e Devolução
Itens em estoque geralmente são despachados no mesmo dia útil. Para produtos que não estão disponíveis no momento, os prazos de despacho podem variar conforme a disponibilidade. O envio internacional está disponível, e os custos de envio são calculados de acordo com o destino, peso e transportadora escolhida.
Devoluções são aceitas dentro de 30 dias após o recebimento, desde que os itens estejam sem uso e em condição original. Os custos de envio para devolução são de responsabilidade do cliente. Por favor, entre em contato conosco antes de devolver qualquer item para receber a autorização de devolução.
Para mais detalhes, por favor, consulte nossa Política de Envio e Devolução.

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