....linear digital measuring systems from fractions to 10 microns....



ProMux-3 is a hardware interface that provides communication and multiplexing of up to 3 ProScales (or other SPC capable devices).  The ProMUX3 is compatible with ProScale Models 150, 150G, 250 and 250G.

Uses for ProMux-3 include gathering position data from measuring devices or machinery, and for large scale SPC data gathering systems.


  • 1, 2, or 3 inputs.

  • Direct input of Model 150/250 Absolute encoders (no readout required).

  • Works with Readout SPC output for all SPC enabled Readouts

  • Can be used with most SPC (Mitutoyo Digimatic) capable products.

  • Transient voltage protection on all inputs.  Two stage over-voltage protection.  Reverse polarity protection.

  • Integral LED encoder status indicators.

  • EEPROM non-volatile memory for storage of parameters and configuration.

Product Literature



  • Size                  2.6 x 4.25 x 1.125 inches (W x L x H)

  • Power               12 VDC (power supply provided), uses P-5 power connector

  • Output              Single RS232 output with either 9600 or 19200 baud rate

  • Warranty           one (1) Year



Part Description

Part Number Price Purchase
ProMUX-3 700-1030-001 $280

Power Supply 550-2008-001 $35

Cable,10-pin Readout output to 6-pin ProMux-3 Input 500-1034-001 $15


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