Refrigerant Proof Micrometers 
SERIES 293 - with Dust / Water Protection Conforms to IP65 level 
 
 • Micrometer with the highest performance in the world. 
 • Extended battery life of approximately 2.4 years. 
 • Ergonomic non-slip cover and front panel for more comfortable manual measurements. 
 • The ratchet thimble provides better operability for one-handed operation. 
 • Oil resistant material used for all plastic parts 
 • Models equipped with a Digimatic output port can be part of a statistical process control or a network measurement system. 
 • Interface input tools are available that allow conversion of 
 measurement data to keyboard signals that then enter directly into the cells in a standard spreadsheet software like Excel. 
 • Two types of constant force devices are available: Ratchet Stop and Ratchet Thimble. 
 • Face measurement: carbide 
 
 SPECS: 
 Brand - Mitutoyo 
 Code No. 29 3-331-30 
 With SPC Output 
 In / mm 
 1 inch range - 2 inch 
 Resolution 0.00005 inch / 0.001mm 
 Error ± .00005 inch 
 Parallelism 0.00004in 
 Constant Force Device - Ratchet