Bently Nevada 136703-01
Bently Nevada 136703-01
Bently Nevada 136703-01
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Bently Nevada

Bently Nevada 136703-01 3500/50 Tachometer Monitor I/O Module with Internal Barriers and Internal Terminations

SKU 136703-01

Disponibile
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Bently Nevada
  • Product No.: 136703-01
  • Origin United States
  • Product Type: Tachometer Monitor I/O Module
  • Barcode: 8537101190
  • Payment: T/T, Western Union
  • Weight: 0.46 kg
  • Dimensions: 241.3 mm x 24.4 mm x 163.1 mm (H x W x D)
  • Shipping port: Xiamen
  • Warranty: 12 months

Tags

3500/50 I/O Modules

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Technical Datasheet

Bently Nevada 136703-01 3500/50 Tachometer Monitor I/O Module with Internal Barriers and Internal Terminations

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Product Description

Description

The Bently Nevada 136703-01 is a 3500/50 Tachometer Monitor I/O module designed for machinery protection and speed measurement applications in hazardous area environments. The 136703-01 provides explosion protection as an intrinsically safe interface connected directly to the 3500 Machinery Protection System backplane and transducer systems.

Features

  • Integrates intrinsically safe internal barriers directly into the 3500 Machinery Protection System rack interface
  • Designed specifically for connection to 3500/50 Tachometer Monitors with internal terminations
  • Preserves system performance without degradation caused by external barriers
  • Provides intrinsically safe earthing connection through the 3500 system backplane via dedicated IS Earthing Module
  • Allows mixed installations of standard and internal barrier I/O module types within the same 3500 rack

Applications

  • Machinery protection and speed monitoring in hazardous process areas
  • Industrial rotating machinery including turbines, compressors, and large pumps

Ordering Information

Part Number Description
136703-01 3500/50 I/O Module with Internal Barriers and Internal Terminations
3500/04-01 IS Earthing Module
136719-01 Earthing I/O Module
138257-01 Earthing Module Front Panel

Technical Specifications

Parameter Specification
Manufacturer Bently Nevada
Part Number 136703-01
Module Type 3500/50 I/O Module with Internal Barriers and Internal Terminations
Compatible Monitor 3500/50 Tachometer Monitor
Required Firmware Firmware Version 1.05 Rev E or later
Required Software 3500 Rack Configuration software Revision 2.3 or later
Dimensions (H x W x D) 241.3 mm x 24.4 mm x 163.1 mm (9.50 in. x 0.96 in. x 6.42 in.)
Weight 0.46 kg (1.01 lb)
Maximum Safety Voltage (Um) 250 V
Open Circuit Voltage (Uo) 27.45 V
Short Circuit Current (Io) 113.24 mA
Maximum Capacitance (Co) 0.086 uF
Maximum Inductance (Lo) 2.77 mH
Maximum Power (Po) 726.96 mW
Bandwidth 30 kHz
Amplitude Accuracy 3% @ 10 kHz, -15/+10% @ 30 kHz
Phase Accuracy -11 deg @ 10 kHz

Installation Guidelines

  • Requires a 3500/04-01 IS Earthing Module installed in the same rack to provide the internal barrier IS earth connection.
  • Standard 19-inch racks equipped with IS Earthing Modules are limited to 13 monitor positions.
  • Internal barrier I/O modules increase overall rack depth by approximately 50 mm (2 in) to provide required 50 mm (2 in) separation between hazardous and safe area field wiring.
  • Route hazardous area field wiring above the 3500 rack and safe area field wiring below the 3500 rack.
  • Group internal barrier I/O modules in adjacent rack positions to simplify field wiring separation.
  • Not compatible with Triple Modular Redundant (TMR) rack configurations or magnetic pick-up transducers.

Compliance and Certifications

Certification / Standard Detail
FCC Complies with part 15 of FCC Rules
EMC Directive 2014/30/EU EN 61000-6-2, EN 61000-6-4
LV Directive 2014/35/EU EN 61010-1
RoHS Directive 2011/65/EU
Marine Approvals ABS - Marine and Offshore Applications; DNV GL Rules for Classification
CSA/NRTL/C Class I, Zone 2: AEx/Ex nA nC ic IIC T4 Gc; Class I, Zone 2: AEx/Ex ec nC ic IIC T4 Gc; Class I, Division 2, Groups A, B, C, D; T4 @ Ta= -20 degC to +65 degC
ATEX/IECEx II 3 G; Ex nA nC ic IIC T4 Gc; Ex ec nC ic IIC T4/T5 Gc; T4 @ Ta= -20 degC to +65 degC
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
Which monitor module is compatible with the 136703-01 I/O module?
The module operates specifically with the 3500/50 Tachometer Monitor in the 3500 Machinery Protection System.
What firmware version is required on the 3500/50 monitor for internal barrier operation?
The 3500/50 Tachometer Monitor requires firmware version 1.05 Revision E or later.
Does the internal barrier module require a separate earthing module in the rack?
Yes, any rack containing internal barrier modules must include a 3500/04-01 IS Earthing Module to provide backplane earth ground connection.
Are magnetic pick-up sensors supported by this internal barrier module?
No, magnetic pick-up transducer systems are explicitly not supported by the 3500 internal barrier system.
Reviews

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Bently Nevada 136703-01 3500/50 Tachometer Monitor I/O Module with Internal Barriers and Internal Terminations

Only 4 item(s) left in stock

  • Manufacturer: Bently Nevada

  • Product No.: 136703-01

  • Country of origin:United States

  • Product Type: Tachometer Monitor I/O Module

  • Barcode: 8537101190

  • Payment: T/T, Western Union

  • Weight: 460g

  • Dimensions: 241.3 mm x 24.4 mm x 163.1 mm (H x W x D)

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Description
FAQ
Shipping Returns
Additional details
Reviews

Description

The Bently Nevada 136703-01 is a 3500/50 Tachometer Monitor I/O module designed for machinery protection and speed measurement applications in hazardous area environments. The 136703-01 provides explosion protection as an intrinsically safe interface connected directly to the 3500 Machinery Protection System backplane and transducer systems.

Features

  • Integrates intrinsically safe internal barriers directly into the 3500 Machinery Protection System rack interface
  • Designed specifically for connection to 3500/50 Tachometer Monitors with internal terminations
  • Preserves system performance without degradation caused by external barriers
  • Provides intrinsically safe earthing connection through the 3500 system backplane via dedicated IS Earthing Module
  • Allows mixed installations of standard and internal barrier I/O module types within the same 3500 rack

Applications

  • Machinery protection and speed monitoring in hazardous process areas
  • Industrial rotating machinery including turbines, compressors, and large pumps

Ordering Information

Part Number Description
136703-01 3500/50 I/O Module with Internal Barriers and Internal Terminations
3500/04-01 IS Earthing Module
136719-01 Earthing I/O Module
138257-01 Earthing Module Front Panel

Technical Specifications

Parameter Specification
Manufacturer Bently Nevada
Part Number 136703-01
Module Type 3500/50 I/O Module with Internal Barriers and Internal Terminations
Compatible Monitor 3500/50 Tachometer Monitor
Required Firmware Firmware Version 1.05 Rev E or later
Required Software 3500 Rack Configuration software Revision 2.3 or later
Dimensions (H x W x D) 241.3 mm x 24.4 mm x 163.1 mm (9.50 in. x 0.96 in. x 6.42 in.)
Weight 0.46 kg (1.01 lb)
Maximum Safety Voltage (Um) 250 V
Open Circuit Voltage (Uo) 27.45 V
Short Circuit Current (Io) 113.24 mA
Maximum Capacitance (Co) 0.086 uF
Maximum Inductance (Lo) 2.77 mH
Maximum Power (Po) 726.96 mW
Bandwidth 30 kHz
Amplitude Accuracy 3% @ 10 kHz, -15/+10% @ 30 kHz
Phase Accuracy -11 deg @ 10 kHz

Installation Guidelines

  • Requires a 3500/04-01 IS Earthing Module installed in the same rack to provide the internal barrier IS earth connection.
  • Standard 19-inch racks equipped with IS Earthing Modules are limited to 13 monitor positions.
  • Internal barrier I/O modules increase overall rack depth by approximately 50 mm (2 in) to provide required 50 mm (2 in) separation between hazardous and safe area field wiring.
  • Route hazardous area field wiring above the 3500 rack and safe area field wiring below the 3500 rack.
  • Group internal barrier I/O modules in adjacent rack positions to simplify field wiring separation.
  • Not compatible with Triple Modular Redundant (TMR) rack configurations or magnetic pick-up transducers.

Compliance and Certifications

Certification / Standard Detail
FCC Complies with part 15 of FCC Rules
EMC Directive 2014/30/EU EN 61000-6-2, EN 61000-6-4
LV Directive 2014/35/EU EN 61010-1
RoHS Directive 2011/65/EU
Marine Approvals ABS - Marine and Offshore Applications; DNV GL Rules for Classification
CSA/NRTL/C Class I, Zone 2: AEx/Ex nA nC ic IIC T4 Gc; Class I, Zone 2: AEx/Ex ec nC ic IIC T4 Gc; Class I, Division 2, Groups A, B, C, D; T4 @ Ta= -20 degC to +65 degC
ATEX/IECEx II 3 G; Ex nA nC ic IIC T4 Gc; Ex ec nC ic IIC T4/T5 Gc; T4 @ Ta= -20 degC to +65 degC

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Key Features:
#3500/50 #I/O Modules

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Technical Datasheet

Bently Nevada 136703-01 3500/50 Tachometer Monitor I/O Module with Internal Barriers and Internal Terminations

Download Open in new tab

Which monitor module is compatible with the 136703-01 I/O module?
The module operates specifically with the 3500/50 Tachometer Monitor in the 3500 Machinery Protection System.

What firmware version is required on the 3500/50 monitor for internal barrier operation?
The 3500/50 Tachometer Monitor requires firmware version 1.05 Revision E or later.

Does the internal barrier module require a separate earthing module in the rack?
Yes, any rack containing internal barrier modules must include a 3500/04-01 IS Earthing Module to provide backplane earth ground connection.

Are magnetic pick-up sensors supported by this internal barrier module?
No, magnetic pick-up transducer systems are explicitly not supported by the 3500 internal barrier system.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern
Greyish White
Country of origin
United States
Power source
DC Power

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