Description
Heidenhain RON 285 18000 03S12-03 358 699-07
High-precision modular angle encoder delivering 18,000 signal periods per revolution for demanding rotary axis measurement in precision machinery
| Brand | Heidenhain |
| Model | RON 285 18000 03S12-03 358 699-07 |
| Voltage | 5V DC |
| Country of Origin | Germany |
| Weight | 2.5 kg |
| Dimensions | 135 x 135 x 50 mm |
| Warranty | 24 months |
| Certifications | CE, RoHS, ISO 9001 |
| SKU / MPN | RON 285 18000 03S12-03 358 699-07 |
| What’s in the box | Angle encoder, mounting accessories, documentation |
| Signal Periods | 18,000 per revolution |
| Accuracy | ±2.5 arc-seconds |
| Hollow Shaft Diameter | 60 mm |
| Output Signal | 1 Vpp sinusoidal |
| Protection Class | IP64 |
| Operating Temperature | -10°C to +70°C |
Key benefits: Exceptional angular accuracy, integrated bearing and stator coupling, robust modular design, 18,000 line resolution, German-engineered reliability, excellent signal quality for closed-loop control
Typical applications: CNC rotary tables, precision machining centers, measuring machines, robotics joints, semiconductor manufacturing equipment, optical and laser positioning systems, printing machines
Lifecycle: Active product with long-term availability, supported by Heidenhain global service network
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.




Kevin H. –
Good transaction! The item arrived well-protected. Tested under load, no issues.