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3500/25-01-01-02

Bently Nevada 3500/25-01-01-02 Enhanced Keyphasor Module

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  • Manufacturer: Bently Nevada

  • Product No.: 3500/25-01-01-02

  • Product Type: Enhanced Keyphasor Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 460g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Bently Nevada 3500/25-01-01-02 Enhanced Keyphasor Module

Bently Nevada 3500/25-01-01-02 Enhanced Keyphasor Module for 3500 Machinery Protection System. Half-height, two-channel module converts proximity probe or magnetic pickup signals into digital Keyphasor outputs. ATEX/IECEx/CSA certified for Class 1 Zone 2 hazardous areas. Provides precise timing for shaft speed, phase, and vector measurements.

Key Features

2-channel half-height module. Input range 1 to 1,200,000 cpm (0.017 to 20 kHz). Output range 1 to 99,999 cpm. Auto or manual threshold triggering. Buffered Keyphasor outputs at front and rear. -24 Vdc transducer power supply. 3.2W typical power consumption. ATEX/IECEx/CSA Class 1 Zone 2 approval. Supports up to four Keyphasor signals standard, eight in paired configuration. Direct replacement for 125792-01.

Technical Specifications

Manufacturer Bently Nevada
Part Number 3500/25-01-01-02
Product Type Enhanced Keyphasor Module
Channels (Option A) 01 = Single 2-channel card
I/O Module Type (Option B) 01 = Internal Terminations
Agency Approval (Option C) 02 = ATEX/IECEx/CSA (Class 1 Zone 2)
Input Frequency Range 1 to 1,200,000 cpm (0.017 to 20 kHz)
Output Frequency Range 1 to 99,999 cpm (0.017 to 1667 Hz)
Accuracy (Non-processed) ±1 cpm (0.017-100Hz), ±8 cpm (101-500Hz), ±1% (501-20kHz)
Input Impedance 21.8 kΩ minimum
Auto Threshold 2V p-p min, 120 rpm (2Hz) min
Manual Threshold 0 to -20Vdc, 500mV p-p min
Hysteresis User-selectable 0.2 to 2.5V
Transducer Power Supply -24 Vdc, 40 mA max per channel
Power Consumption 3.2 W typical
Main Module Dimensions 119.9 x 24.4 x 256.5 mm (4.72 x 0.96 x 10.10 in)
Main Module Weight 0.34 kg (0.76 lbs)
I/O Module Dimensions 241.3 x 24.4 x 103.1 mm (9.50 x 0.96 x 4.06 in)
I/O Module Weight 0.46 kg (1.01 lbs)
Rack Space (Main) 1 half-height front slot
Rack Space (I/O) 1 full-height rear slot
Operating Temperature -30°C to +65°C
Storage Temperature -40°C to +85°C
Humidity 95%, non-condensing
Origin Made in U.S.A.

Ordering Code Breakdown

3500/25-01-01-02

A:01 – Single half-height 2-channel Keyphasor card.
B:01 – I/O module with Internal Terminations.
C:02 – ATEX/IECEx/CSA (Class 1 Zone 2) approval.

Installation Notes

Install in half-height front slot using mounting adapter. I/O module occupies corresponding full-height rear slot. For hazardous area installation, follow control drawing 149243 or 149244. Configure trigger threshold (auto or manual) and hysteresis per application. Use Internal Terminations (B:01) for standard proximity probe applications.

Engineering Advantages

ATEX/IECEx/CSA Class 1 Zone 2 certification enables installation in hazardous areas. Supports up to eight Keyphasor signals in paired configuration. Expanded frequency range handles multi-event-per-turn inputs up to 20 kHz. Direct replacement for legacy 125792-01 modules. Buffered outputs at front and rear simplify external diagnostics. Field-upgradeable firmware protects investment.

FAQs

Q1: What is the maximum input frequency?
A1: 20 kHz (1,200,000 cpm), supporting multiple events per revolution.

Q2: What approvals does the 02 option provide?
A2: ATEX/IECEx/CSA certification for Class 1 Zone 2 hazardous areas.

Q3: Can this module replace older Keyphasor modules?
A3: Yes, the Enhanced Keyphasor Module is a direct plug-in replacement for Keyphasor Module 125792-01.

Product Resources

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🏷️ Tags: Enhanced Keyphasor Module
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