Introduction

The Epro MMS3311 Speed/Key Pulse Transmitter is a high-precision solution for monitoring rotational speed and key pulse signals in industrial machinery. Its dual-function capability allows simultaneous measurement of speed and positional signals, providing detailed insights for predictive maintenance programs. Compact, robust, and reliable, it ensures accurate performance in demanding industrial environments.

Technical Specifications

Parameter	Specification
Dimensions (L x W x H)	127.5 × 125.75 × 80 mm
Weight	1.465 kg (3.23 lb)
Measurement Type	Rotational Speed / Key Pulse
Channels	Dual-Function
Operating Temperature	-20°C to 70°C
Humidity	5% – 95% non-condensing
Mounting	Panel or Machinery Bracket
Connectivity	Analog/Digital Output
Compliance	CE, Industrial-Grade Standards
Application	Speed Monitoring, Key Pulse Detection, Predictive Maintenance

Applications

The Epro MMS3311 Speed/Key Pulse Transmitter is designed for precise monitoring of rotational speed and key pulse signals in industrial machinery. Typical applications include:

Real-time speed measurement of turbines, motors, compressors, and generators
Key pulse monitoring for rotational position synchronization
Integration into condition monitoring and predictive maintenance systems
Early detection of machinery performance deviations or misalignment
Harsh industrial environments requiring reliable, vibration-resistant signal transmission

Its dual-function design allows simultaneous measurement of rotational speed and key pulse, providing comprehensive insights into machinery performance.

Advantages

Dual-Function Capability: Measures both speed and key pulse signals simultaneously.
Industrial-Grade Durability: Resistant to vibration, temperature fluctuations, and electrical noise.
Predictive Maintenance Ready: Provides early warning of misalignment, overspeed, or mechanical faults.
Compact Design: 127.5 × 125.75 × 80 mm form factor allows integration into machinery housings or control panels.
Seamless System Integration: Compatible with standard analog and digital monitoring systems.
Quick Installation and Calibration: Simplifies setup, reducing commissioning time.

Technical FAQs

Q: What types of signals does the MMS3311 measure?
A: Measures rotational speed and key pulse signals from machinery.
Q: Can it measure both parameters simultaneously?
A: Yes, it is designed for dual-function measurement of speed and key pulse.
Q: What is the operating temperature range?
A: -20°C to 70°C, suitable for industrial environments.
Q: How does it integrate with control systems?
A: Provides standard analog and digital outputs compatible with monitoring systems.
Q: Is it suitable for predictive maintenance applications?
A: Yes, early detection of speed fluctuations or key pulse irregularities helps prevent machinery damage.
Q: How is it mounted?
A: Supports both panel and machinery bracket installation.
Q: Is it resistant to industrial vibration and shocks?
A: Yes, built to maintain accuracy in harsh mechanical environments.
Q: Can it handle variable-speed machinery?
A: Yes, designed for a wide range of rotational speeds.
Q: Are the measurement channels configurable independently?
A: Yes, speed and key pulse outputs can be configured for different system requirements.
Q: What maintenance is required?
A: Minimal; periodic inspection and calibration are recommended for optimal performance.