Overview
The Bourns H492-3 is a specialized turns-counting dial component designed for precision potentiometer applications. As part of the H-490 Series, this dial features a metal scale with clear turn markings, enabling operators to achieve precise control and measurement of electrical resistance in laboratory, industrial, and instrumentation settings.
Key Features
- 30-turn dial with 100 divisions per turn for fine-resolution adjustment
- 0.250″ (6.35mm) diameter shaft compatible with standard precision potentiometer shafts
- Clear metal scale dial for easy turn counting and accurate positioning
- Break mechanism for precision potentiometer integration
- Suitable for laboratory and industrial measurement applications
Technical Specifications
- Dial Type: Turns-counting, analog
- Turn Capacity: 30 turns
- Divisions per Turn: 100
- Shaft Diameter: 0.250″ (6.35mm)
- Dial Diameter: Approximately 1 inch
- Body Material: Clear polymeric material with metal scale
- Interface: Compatible with precision potentiometer shafts
Typical Applications
- Laboratory test and measurement equipment requiring precise potentiometer adjustment
- Industrial control systems and instrumentation panels
- Calibration and measurement equipment
- Audio and electronic equipment requiring fine resistance control
- Educational and training applications for electronics
Compatibility & Replacements
Compatible With
- Bourns precision potentiometer series with 0.250″ (6.35mm) shaft
- H-490 Series multi-turn potentiometers
- Standard 6.35mm potentiometer shafts in laboratory and industrial equipment
- Precision measurement and instrumentation systems
Replaces / Drop-In Replacement For
Verify compatibility with your equipment specifications or system integrator before ordering, as dial components require exact shaft diameter and length match.
Works With
- Bourns precision potentiometers and variable resistors
- Multi-turn potentiometer assemblies
- Laboratory instrumentation and test equipment featuring potentiometer controls
- Industrial measurement and control systems
