Overview
The Herman Sticht Model 3100 is an industrial-grade tachometer and process time indicator controller engineered for precision speed monitoring and process timing in manufacturing and automation environments. This unit combines rotational speed measurement with process control timing in a single integrated package, making it suitable for legacy automation systems and retrofit applications where reliable tachometer feedback is required.
Key Features
- Integrated tachometer and process time indicator in one controller
- Designed for industrial automation and motion control applications
- Robust construction suitable for plant-floor environments
- Includes instruction manual and connectors for fast installation
- Proven reliability in manufacturing and process control settings
Technical Specifications
- Manufacturer: Herman H. Sticht Co.
- Model Number: 3100
- Power Supply: 120 VAC, 50/60 Hz
- Function: Tachometer & Process Time Indicator
- Controller Type: Industrial Process Controller
- Included Accessories: Instruction manual, hardware, connectors
- Application: Speed monitoring, process timing control
- Origin: United States manufactured
Typical Applications
- Industrial motor and spindle speed monitoring
- Process cycle timing and control
- Manufacturing line speed feedback
- Legacy automation system upgrades and replacements
- Equipment retrofits requiring tachometer input
- Predictive maintenance speed trend monitoring
Compatibility & Replacements
Compatible With
- Industrial control systems requiring 120 VAC tachometer input
- Manufacturing process control architectures
- Legacy automation platforms from the 1970s–2000s era
- Standard industrial panel-mount installations
Replaces / Drop-In Replacement For
- Similar vintage Herman Sticht tachometer controllers
- Legacy process timing indicators in industrial facilities
- Early-generation rotational speed monitoring devices
Works With
- Industrial PLC systems with analog/contact input modules
- Standard 120 VAC three-phase industrial power systems
- Panel-mount control cabinets and enclosures
- Mechanical and electrical process monitoring circuits



