General Overview
Model: ES3401

Series: EPRO Smart Monitoring System

Type: 3-Channel Vibration, Speed & Temperature Monitoring Module

Primary Application: Comprehensive machinery protection for critical industrial assets

Key Technical Parameters
1. Input Specifications
Channels:

2 vibration channels

1 combined speed/temperature channel

Sensor Compatibility:

Vibration:

Eddy current probes (5-11mm)

Velocity sensors (4-20mA)

Accelerometers (IEPE/ICP)

Speed:

Magnetic pickups (0-60,000 RPM)

Optical encoders

Temperature:

PT100 RTDs

Thermocouples (Type J/K)

Measurement Ranges:

Vibration:

Displacement: 0-2000 μm (p-p)

Velocity: 0-100 mm/s (RMS)

Acceleration: 0-50g

Temperature: -40°C to +300°C

Frequency Response:

Vibration: DC to 5 kHz

Tachometer: 0.1 Hz to 25 kHz

2. Output & Communication
Analog Outputs:

3× 4-20mA (isolated)

3× ±10V (raw signals)

Relay Outputs:

6× alarm relays (2 per channel)

1× system fault relay

Digital Interfaces:

RS-485 (Modbus RTU)

Ethernet (TCP/IP)

Wireless (optional LoRaWAN)

3. Power & Environmental
Power Supply: 18-36VDC or 85-264VAC

Power Consumption: <10W

Operating Temp: -40°C to +85°C

Housing: Cast aluminum, IP66

Mounting: Panel or DIN rail

4. Advanced Features
Integrated Condition Monitoring:

Real-time FFT analysis

Orbit plots

Temperature trending

Predictive Maintenance:

Automated fault detection

Remaining useful life estimation

Edge Computing:

Local data storage (8GB)

Cloud connectivity

5. Compliance & Certifications
Standards:

API 670 (5th Ed.)

ISO 18436-2

IEC 61508 (SIL 2)

Certifications:

ATEX/IECEx Zone 1

DNV-GL

UL/cUL Class I Div 2

Model Comparison (ES Series)
Feature ES2404 ES3401
Channels 4 vib 2 vib + 1 temp/speed
Max RPM 40,000 60,000
Edge Computing No Yes
Power Options DC only DC/AC
Typical Applications
Oil & Gas:

Pipeline compressors

Gas turbines

Power Generation:

Hydro turbines

Wind turbine gearboxes

Marine:

Main propulsion engines

Thrusters