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Ultra-High-Speed Rotary Transmitters / Slip Rings (10K - 40K RPM)


UHS Rotary Transmitter
  • Ultra High Speed Slip Ring
  • Ultra High Speed Slip Ring
  • Testing Rotary Transmitter
  • High Speed Slip Ring
  • UHS Magtrol RS Series Meridian Slip Ring

ROTOCON High-Performance Brushless Slip Ring Solutions

» Provides a maintenance-free, ultra-high-speed (10K - 40K RPM) solution» Delivers clean electrical signal for both power & data, with no measurable noise
» Robust industrial design provides reliable long lasting performance» Remains unaffected by machine vibration or rotational speed

For applications with demanding operating speeds (up to 40,000 RPM), Meridian Laboratory offers the ROTOCON UHS Series. With up to 12 contacts available, the ROTOCON UHS Series of ultra-high-speed slip rings (also referred to as rotary transmitters) are capable of transmitting both low current power, as well as signal and data within the same assembly. Like all ROTOCON brushless slip rings, the contact resistance is extremely low, both when stationary and while rotating. The UHS Series of non-contact slip rings is especially well utilized in high-speed applications (above 10,000 RPM) and remains unaffected in performance & reliability. If you have limited mounting space and/or require operating speeds at 3,000 to 8,000 RPM, see our MM-Series, Miniature High Speed, ROTOCON rotary electrical connectors.

ROTOCON UHS Rotary Transmitters are used wherever measurement of rotating items is needed. Whether in research & development laboratories, in duration tests on objects under working conditions, or through high-performance data transmission, Meridian Laboratory’s rotary transmitters enable the measurement of pressure, acceleration, oscillation, vibration, shock, force, torque, temperature, and displacement of rotating parts such as turbines, jet engines, turbocompressors, propellers, motors, machine tools, bearings, and other machines, as well as for running tests on all types of road and rail vehicles.

Why Choose ROTOCON? Request a ROTOCON quote

Video: Conventional Slip Ring vs. ROTOCON Signal Quality Demonstration

YouTube video

Unlike conventional brushed slip rings, which rely on metal-on-metal contacts and are limited by RPM, electrically noisy, and require adjustment and maintenance for proper operation, all ROTOCON slip rings are brushless, functioning through a molecularly bonded viscous metal film which remains unaffected by speed, provides clean and noise-free electrical signals, and requires zero maintenance.

UHS Series Product Manual

UHS Series Product Brochure

UHS-204 Datasheet

UHS-208 Datasheet

UHS-212 Datasheet


  • Ideal for high-speed applications and functions
  • Brushless, maintenance-free operation
  • Unaffected by machine vibration or rotational speed
  • Environmentally sealed
  • Long lifetime
  • Insensitive to electromagnetic disturbance
  • Speed: Up to 40,000 RPM
  • Resistance: < 0.2 mOhms
  • Noise: 25 µV
  • Signal: Up to 0.3 A per cell
  • 60 Volts AC/DC
  • Very low inertia
Ultra High Speed Slip Ring


  • Aerospace industries
  • Wind turbine control
  • High-speed dynamometer measurement
  • Machinery monitoring
  • Automobile & transportation industries
  • High-speed satellite transmission
Ultra High Speed Slip Ring

Ultra High Speed Model Specifications

UHS Series

UHS-201 DatasheetUHS-204 DatasheetUHS-208 DatasheetUHS-212 Datasheet
Number of Channels14812
Speed RangesStandard Version : 0 to 20,000 RPM (Part #: UHS 2 __ __ / 011)
High-Speed Version : 0 to 40,000 RPM (Part #: UHS 2 __ __ / 111)
Total NoiseTypically 25 µV (max. 50 µV) with two cells in series at speeds from 0 to 40,000 RPM
Contact Resistance of CellMax. 0.2 milliOhms for 2 cells in series with an instantaneous variation
from 0 to 5000 RPM
Insulation ResistanceMore than 10 GigaOhms for two adjacent cells
Load CurrentMax. 0,3 A per cell
Load Voltage60 V AC or DC between two cells or between cell and transmitter housing
Temperature Range-13°F to 140°F
(-25°C to 60°C)
Thermal EMFTypically 2 µV with two cells connected in series and at speeds from 0 to 40,000 RPM;
corresponding to a possible error of 0.05% for a constantan-chromium nickel thermocouple, at a temperature difference of 1112°F (600°C)
Connections (In/Out)Soldering contact, both endsCables (400 mm input and 400 mm output cables included)

UHS Series Product Manual

UHS Series Product Brochure