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MRS2 modular rack system
The MRS2 modular rack system is a versatile probe and stylus changing solution for Renishaw sensors
MRS2 is available in a variety of leg and rail lengths to allow it to be configured to various applications. In instances where CMM working volume is at a premium, or there is a need to carry large numbers of probes and styli, additional rails can be added to MRS2 to create multi-tier racks.
Compatible modules
MRS2 is compatible with:
- SCP600 and SCP80 (stylus change ports for SP600 and SP80 respectively)
- ACR3 (autochange rack for autojoint probes)
- FCR25 and FCR25 TC (stylus and module changing for SP25M and RPS3-# stylus holders)
- RCP2 (change port for stylus holders - RSH#, RSH3-6 and SFH-1 / -2 )
- RCP TC-2 (thermally controlled REVO change port for REVO probes - RSP2 and RSP3-1 / -2 / -3 / -4)
- RCP TC-3 (thermally controlled REVO change port for REVO probes - RSP3-6 and SFP2)
- SFA and SFCP (for REVO surface finish probe)
- VPCP and VMCP (for REVO vision probe)
One tier rack | Two tier rack | Three tier rack |
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Dimensions

MRS2 400 mm rail kit (15.75 in) | MRS2 600 mm rail kit (23.62 in) | MRS2 1000 mm rail kit (39.37 in) | |
Dimensions L × D × H (mm)* | |||
200 mm leg kit | 408 × 208 × 244 | 608 × 208 × 244 | 1008 × 208 × 244 |
400 mm leg kit | 408 × 208 × 444 | 608 × 208 × 444 | 1008 × 208 × 444 |
600 mm leg kit | 408 × 308 × 644 | 608 × 308 × 644 | 1008 × 308 × 644 |
800 mm leg kit | 408 × 308 × 844 | 608 × 308 × 844 | 1008 × 308 × 844 |
Maximum usable rail length ** | 320 mm (12.59 in) *** | 520 mm (20.47 in) *** | 920 mm (36.22 in) *** |
Rail length required per changer unit | |||
FCR25 | 115.8 mm (4.56 in) | 115.8 mm (4.56 in) | 115.8 mm (4.56 in) |
ACR3 | 280 mm (11.02 in) | 280 mm (11.02 in) | 280 mm (11.02 in) |
SCP600 | 87 mm (3.43 in) | 87 mm (3.43 in) | 87 mm (3.43 in) |
SCP80 | 133 mm (5.24 in) | 133 mm (5.24 in) | 133 mm (5.24 in) |
RCP2 | 64 mm (2.52 in) | 64 mm (2.52 in) | 64 mm (2.52 in) |
RCP TC -2 | 92 mm (3.63 in) | 92 mm (3.63 in) | 92 mm (3.63 in) |
* Excludes length of clamping plates (82 mm each)
** Additional 40 mm depth added by the back spacer kit hangs outside the working volume of the machine
*** With the exception of FCR25 which is able to use the full length of the rail