Mitutoyo Mu Checker Probe Comparison

Use the descriptions and tables below to select the best Mu checker probe for your Mu Checker system.

The lever head type of probe is good for the following types of measurements:

• Multipoint measurement of small parts
• Flatness and straightness measurements on an X/Y table
• Run out measurement of shafts.
  

The cartridge head probe is easily built in to equipment due to its slim and compact shape. This type of probe is optimal for an automatic measuring machine.

Lever Head Probe Specifications

Part #	Measuring Range (mm)	Stroke (mm)	Linearity (%)	Stylus Support	Measuring Force (N)
519-521	± 0.5	± 0.6	± 0.3	Pivot bearing	~ 0.2
519-522	± 0.5	± 0.6	± 0.3	Pivot bearing	~0.02
519-326	± 0.5	± 0.6	± 0.3	Parallel-leaf spring	~0.15
519-327	± 0.5	± 0.65	± 0.3	Pivot bearing	~0.15

Cartridge Head Probe Specifications

Part #	Measuring Range (mm)	Stroke (mm)	Linearity (%)	Stem Diameter	Plunger Support	Measuring Force (N)
519-331	± 0.5	± 0.65	± 0.5	Ø8 mm	Plain bearing	~ 0.25
519-332	± 0.5	± 0.65	± 0.5	Ø3/8 inches	Plain bearing	~0.25
519-347	± 0.5	+0.85/ -0.65	± 0.3	Ø8 mm	Linear ball-bearing	~0.7
519-348	± 1.0	+1.35/ -1.15	± 0.3	Ø8 mm	Linear ball-bearing	~0.7