S8 end-of-shaft slip ring
Eight-circuit end-of-shaft slip ring for low-level signals: strain gages, thermocouples, RTDs, accelerometers and low voltages.
Eight-circuit end-of-shaft slip ring with two strain gage amplifiers built into the rotor.
Eight-circuit end-of-shaft slip ring with a 50.8 mm (2 in) rotor, for low-level signals: strain gages, thermocouples, RTDs, accelerometers and low voltages.
Eight-circuit LHV end-of-shaft slip ring with two strain gage amplifiers built into the rotor: a longer life, with regular lubrication.
A special version of the S8. Excites and amplifies 2 strain gage bridges in the rotor. Excitation: 5 V (2G5) or 10 V (2G10).
A special version of the S8. 50.8 mm rotor instead of 41.28 mm, for AMP-SG-U2 and AMP-TCN-X2 spinning amplifiers.
A special version of the S8. Specialized rings and a lubrication hole: lasts longer, lubricate regularly. Also with 2 strain gage amplifiers (2G5, 2G10).
- 8
- Circuits
- 12 000 rpm
- Max speed
- 41.28 mm
- Rotor diameter
- 38 mm · 116 g
- Length · weight
- 8
- Circuits
- 12 000 rpm
- Max speed
- 41.28 mm
- Rotor diameter
- 41 mm · 150 g
- Length · weight
- 8
- Circuits
- 12 000 rpm
- Max speed
- 41.28 mm
- Rotor diameter
- 41 mm · 150 g
- Length · weight
- 8
- Circuits
- 12 000 rpm
- Max speed
- 50.8 mm
- Rotor diameter
- 8
- Circuits
- 41.28 mm
- Rotor diameter
- 8
- Circuits
- 41.28 mm
- Rotor diameter
- Operating temperature−40 to 121 °C
- Max current per circuit500 mA
- Length38 mm
- Operating temperature−40 to 121 °C
- Max current per circuit500 mA
- Length41 mm
- Operating temperature−40 to 121 °C
- Max current per circuit500 mA
- Length41 mm
- Operating temperature−40 to 121 °C
- Max current per circuit500 mA
- Operating temperature−40 to 121 °C
- Max current per circuit500 mA
- Operating temperature−40 to 121 °C
- Max current per circuit500 mA
S8: eight-circuit end-of-shaft slip ring
The S8 is an end-of-shaft slip ring with eight circuits rated at 500 mA. It mounts on the free end of a rotating shaft and carries strain gages, thermocouples, RTDs, accelerometers and low voltages from rotor to stator. Precious metal rings and brushes limit the contact resistance variation to 0.1 Ω peak. The stainless steel case is sealed against dust, the bearings are lubricated for life, and color-coded solder terminals sit on both rotor and stator. With a 41.28 mm rotor, it is 38 mm long and weighs 116 g; it runs up to 12 000 rpm, from −40 to 121 °C, and a low-temperature lubricant is available below −18 °C. It is also the base of the S8/2Gx, which adds two amplifiers in the rotor.
The rotor flange is mounted concentric and perpendicular to the shaft, on a machined shaft end or a rotor adapter, within 0.025 mm (0.001 in) of axial and radial runout. The stator is held by a flexible restraint, the S-Series restraint kit (up to 112 °C) or a worm gear clamp with a spring, never by its wires. Stranded wires, 28 or 30 AWG (24 AWG at most), run along or through the shaft and are secured to it before being soldered to the rotor terminals.
The S-Series is used, for example, to measure the torque of gaged pulleys, gears and gearboxes, as on a combine harvester, or the temperature of rotating parts with thermocouples.
End-of-shaft slip ring with two rotor-mounted strain gage amplifiers
The S8/2Gx combines an eight-circuit S-Series slip ring with two strain gage amplifiers built into its rotor, so two bridge signals are amplified on the rotating side, close to the gages. With a 41.28 mm rotor, it is 41 mm long, weighs 150 g and runs up to 12 000 rpm.
The rotor flange is mounted concentric and perpendicular to the shaft, on a machined shaft end or a rotor adapter, within 0.025 mm (0.001 in) of axial and radial runout. The stator is held by a flexible restraint, the S-Series restraint kit (up to 112 °C) or a worm gear clamp with a spring, never by its wires. Stranded wires, 28 or 30 AWG (24 AWG at most), run along or through the shaft and are secured to it before being soldered to the rotor terminals.
It is used on two strain gage channels on the same rotating part, for example a gaged shaft, pulley or gear.
S8M: eight circuits, 50.8 mm rotor
The S8M is the eight-circuit S-Series end-of-shaft slip ring built on a 50.8 mm (2 in) rotor instead of 41.28 mm. It carries eight circuits rated at 500 mA from rotor to stator. Precious metal rings and brushes limit the contact resistance variation to 0.1 Ω peak. The stainless steel case is sealed against dust, the bearings are lubricated for life, and color-coded solder terminals sit on both rotor and stator. It runs up to 12 000 rpm, from −40 to 121 °C.
The rotor flange is mounted concentric and perpendicular to the shaft, on a machined shaft end or a rotor adapter, within 0.025 mm (0.001 in) of axial and radial runout. The stator is held by a flexible restraint, the S-Series restraint kit (up to 112 °C) or a worm gear clamp with a spring, never by its wires. Stranded wires, 28 or 30 AWG (24 AWG at most), run along or through the shaft and are secured to it before being soldered to the rotor terminals.
For the 41.28 mm rotor, see the S8; for six circuits on the 50.8 mm rotor, the S6M.
LHV slip ring with two rotor-mounted strain gage amplifiers
The S8/LHV/2G5 and S8/LHV/2G10 combine an eight-circuit S-Series slip ring with specialized rings and a lubrication hole, and a two-channel strain gage amplifier built into the rotor: two bridge signals are amplified on the rotating side, close to the gages. The 2G5 gives the bridges a 5 V excitation, the 2G10 a 10 V excitation. Like every LHV version, it lasts longer than the standard version, in exchange for regular lubrication.
The rotor flange is mounted concentric and perpendicular to the shaft, on a machined shaft end or a rotor adapter, within 0.025 mm (0.001 in) of axial and radial runout. The stator is held by a flexible restraint, the S-Series restraint kit (up to 112 °C) or a worm gear clamp with a spring, never by its wires. Stranded wires, 28 or 30 AWG (24 AWG at most), run along or through the shaft and are secured to it before being soldered to the rotor terminals.
It is used on two strain gage channels on the same rotating part, for example a gaged shaft, pulley or gear, when the life of the slip ring matters more than maintenance-free operation.
Specifications
| Circuits | 8 |
|---|---|
| Rotation sensor | None |
| Embedded amplifier | None |
| Current per circuit | 500 mA |
| Mounting | End of shaft |
| Max speed | 12 000 rpm |
| Rotor diameter | 41.28 mm |
| Dimensions | length 38 mm |
| Weight | 116 g |
| Operating temperature | −40 to 121 °C |
| Connections | Solder terminals (rotor and stator: solder terminals) |
| Circuits | 8 |
|---|---|
| Rotation sensor | None |
| Embedded amplifier | Strain gage (2 amplifiers) |
| Current per circuit | 500 mA |
| Mounting | End of shaft |
| Max speed | 12 000 rpm |
| Rotor diameter | 41.28 mm |
| Dimensions | length 41 mm |
| Weight | 150 g |
| Operating temperature | −40 to 121 °C |
| Connections | Solder terminals (rotor and stator: solder terminals) |
| Circuits | 8 |
|---|---|
| Rotation sensor | None |
| Embedded amplifier | Strain gage (2 amplifiers) |
| Current per circuit | 500 mA |
| Mounting | End of shaft |
| Max speed | 12 000 rpm |
| Rotor diameter | 41.28 mm |
| Dimensions | length 41 mm |
| Weight | 150 g |
| Operating temperature | −40 to 121 °C |
| Connections | Solder terminals (rotor and stator: solder terminals) |
| Circuits | 8 |
|---|---|
| Rotation sensor | None |
| Embedded amplifier | None |
| Current per circuit | 500 mA |
| Mounting | End of shaft |
| Max speed | 12 000 rpm |
| Rotor diameter | 50.8 mm |
| Operating temperature | −40 to 121 °C |
| Connections | Solder terminals (rotor and stator: solder terminals) |
| Circuits | 8 |
|---|---|
| Rotation sensor | None |
| Embedded amplifier | Strain gage (2 amplifiers) |
| Current per circuit | 500 mA |
| Mounting | End of shaft |
| Rotor diameter | 41.28 mm |
| Lubrication | Lubrication hole, regular lubrication |
| Operating temperature | −40 to 121 °C |
| Connections | Solder terminals (rotor and stator: solder terminals) |
| Circuits | 8 |
|---|---|
| Rotation sensor | None |
| Embedded amplifier | Strain gage (2 amplifiers) |
| Current per circuit | 500 mA |
| Mounting | End of shaft |
| Rotor diameter | 41.28 mm |
| Lubrication | Lubrication hole, regular lubrication |
| Operating temperature | −40 to 121 °C |
| Connections | Solder terminals (rotor and stator: solder terminals) |
Used with the S8
What you add here goes into the same quote request.
-
Amplify strain gage bridges on the shaft
AMP-SG-U2
Modules for one, two or three bridges, stacked on the rotor, with a ± 10 V output.
On the 50.8 mm rotor of the S8M.
-
Amplify thermocouples on the shaft
AMP-TCN-X2
One to nine cold junction compensated channels in one module, 10 mV/°C output.
On the 50.8 mm rotor of the S8M.
Resources
Datasheets and manuals
Drawings
CAD models
Datasheets and manuals
Drawings
CAD models
Datasheets and manuals
Drawings
CAD models
Datasheets and manuals
Drawings
CAD models
Datasheets and manuals
Drawings
CAD models
Datasheets and manuals
Drawings
CAD models
Special versions
- Embedded strain gage amplifiers Excites and amplifies 2 strain gage bridges in the rotor. Excitation: 5 V (2G5) or 10 V (2G10).
- 50.8 mm rotor 50.8 mm rotor instead of 41.28 mm, for AMP-SG-U2 and AMP-TCN-X2 spinning amplifiers.
- S8M50.8 mm rotor, no amplifier.
- Long life (LHV) Specialized rings and a lubrication hole: lasts longer, lubricate regularly. Also with 2 strain gage amplifiers (2G5, 2G10).
- S8/LHV/2G5LHV rings, 2 strain gage amplifiers, 5 V excitation.
- S8/LHV/2G10LHV rings, 2 strain gage amplifiers, 10 V excitation.
Related applications
If the S8 is not the one
- Shorter and lighter Short S-Series
4 to 10 circuits at 12 000 rpm in a stainless steel and aluminum case from 22.15 mm long and 56 g, rated from −1 to 138 °C, some with amplifiers in the rotor.
- Wheel angle as well SR Series
4 to 36 circuits, with a 60 ppr encoder on the /E60 versions.
- More circuits SR/ERT Series
Modular, 10 to 36 circuits, with encoder.
- No free shaft end CBT-mini clamp-on battery telemetry
A clamp-on transmitter, no contact.
A question on this product?
Shaft end, speed, circuits, signals. An application engineer answers.
More details to give? Use the full contact form.