Mechanical and Optical Encoders
Mechanical and Optical Encoders
Our ability to adapt existing components to your application, makes Elma your preferred solution partner.
- With 16, 24, 30, 32 detent
- High life expectancy
- Electromechanical and optical contact system
- High torque values
- Easy to modify
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Click a designation to view further product information: |
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| Designation | Type E20 Mechanical | Type E27 Mechanical | Type E50 Optical |
| Dimension | 12 x 14 mm | 12 x 14 mm | 30 x 30 mm |
| Connection | SMD | THT (DIL) | Plug in (IDC) (cable on request) |
| Function (Code) | mechanical incremental encoder with 16/30 pulses per rotation with additional signal by pushing the spindle-shaft | mechanical incremental encoder with 16/30 pulses per rotation with/without additional signal by pushing the spindle-shaft | mechanical incremental encoder with 16/30 pulses per rotation with/without additional signal by pushing the spindle-shaft |
| Indexing angle | 12° | 12° | 11,25° / 15° |
| Processing | wave soldering reflow | wave soldering reflow | |
| Contact material | gold | gold | |
| Life expectancy: Rotations Push button actuation |
> 10’000 cycles > 100’000 |
> 10’000 cycles > 100’000 |
> 10 Mio. > 5 Mio. |
| Contact resistance | < 100 m.W | < 100 m.W | |
Type E20 Mechanical
Our ability to adapt existing components to your application, makes Elma your preferred solution partner.
- 16 or 30 detent
- Shaft snaps in after reflow process
- > 100’000 rotations
- Reflowable
- Up to 2,5 Ncm torque
- Tape & reel
- Aluminium spindle-shaft
- IP 65 available
Dimensional drawing and Standard part numbers - details
Technical data and Products modifications - details
Type E27 Mechanical
- 16 or 30 detent
- > 100’000 rotations
- With or without push button function
- Up to 2,5 Ncm torque (standard 1,5 Ncm)
- Aluminium spindel-shaft
- IP 65 available
Dimensional drawing and Standard part numbers - details
Technical data and Products modifications - details
**NEW**Type E33 Mechanical**NEW**
- 16 or 32 detents standard resolution
- With or without integrated push button
- Minimum 1 million operations life
- Excellent indexing feel with 1.5, 2 or 2.5 Ncm constant switching torque
- Robust metal housing with metal shaft
- 11.5 x 12.3 x 4.9 mm body size
- IP68 front panel sealing
- Operating temperature range: -40 to +85°C
- Various options available
Dimensional drawing and Standard part numbers - details
Technical data and Products modifications - details
Type E50 Optical
- With push button function
- 24/32 detent
- Life expectancy:
> 10 Mio. rotations
> 5 Mio. push button actuation - Contactless magnetic indexing provides positive tactile feedback for accurate position indication
- Standard with connector (IDC), cable on request
Dimensional drawing and Standard part numbers - details
Technical data and Products modifications - details