D-53Mitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.D• Excellent accuracy of (1.1+0.6L/600) μm with 0.1 μm/0.4 μm resolution/repeatability.• High-accuracy Height Gage incorporating a wide range of measurement functions. • To achieve best-in-class accuracy, a high-accuracy reective-type linear encoder and high-accuracy guide are used.• Measurement can be implemented by icon-based commands that also support easy one-key operation. • The TFT LCD provides excellent visibility and operability.• Pneumatic full/semi-oating system allows adjustment of air-cushion height.• Basic statistical functions are provided and, additionally, RS-232C data output provides the option of evaluating measurement data externally with SPC software on a PC.• For precision Black Granite Surface Plates, refer to page E-46. • Backup/Restore of data and measurement part programs can be implemented using USB storage devices (FAT16/32 format compatible). Linear HeightSERIES 518 — High Performance 2D Measurement System518-351A-21With power grip518-352A-21Height GageA standard measuring tool of industryAn inspection certicate is supplied as standard. Refer to page U-11 for details.Model without power gripOrder No.Remarks518-351-10 Model for Japan, Japanese manual518-351A-21 Model for North America, English manual518-351A-22 Model for South America, Spanish manual518-351D-21 Model for EU, English manual518-351E-21 Model for U.K., English manual518-351DC Model for China, Chinese manual518-351KModel for Korea, Korean manualModel with power grip (Power grip pre-installed model)Order No.Remarks518-352-10 Model for Japan, Japanese manual518-352A-21 Model for North America, English manual518-352A-22 Model for South America, Spanish manual518-352D-21 Model for EU, English manual518-352E-21 Model for U.K., English manual518-352DC Model for China, Chinese manual518-352K Model for Korea, Korean manualScreenshot examples• Measurement screenStandard Accessories• 12AAF634 5-step probe • 12AAA715 Ball-diameter corrected block Note: When the correction is performed by using the taper type contact point, the ball-diameter corrected block 12AAA787 (for taper type contact point) is required.• 12AAF674 Auxiliary weight** Two auxiliary weights come with the main unit.• Statistical processing result• Histogram processing result• Squareness measurement result: Graphical display• Squareness measurement result: Numeric displayNote: To use this function, a Digimatic indicator or a lever head plus a digital Mu-checker are required.SPECIFICATIONSMetricOrder No.518-351-10*3518-352-10*3(with power grip)Measuring range (Stroke)0 - 977 mm (600 mm)0 - 38 in (24 in)Resolution0.0001/0.001/0.01/0.1 mm (selectable)0.000001/0.00001/0.0001/0.001 in (selectable)Accuracy at 20 ˚CIndication accuracy*1(1.1 + 0.6L/600) μm, L = Measured length (mm)Repeatability*1Plane: 0.4 μm (2 ), Hole: 0.9 μm (2 )Perpendicularity(forward and backward)*25 μm (after compensation)Straightness(forward and backward)*24 μm (mechanical accuracy)Guiding method Roller bearingDriving method Motor-driven (5,10,15,20,25,30,40 mm/s: 7 steps)/ManualScale unit Reflective-type linear encoderMeasuring force 1 N (automatic constant-force function)Balancing method Counter weight balanceMain unit moving mode Full-floating (moving)/Semi-floating (measuring) air bearingAir source Built-in compressorMonitor 5.7 inch COLOR TFT LCDMax. number of programs 50Max. number of measured data 60,000(Max. number of data is 30,000/per program)Power supply AC adapter/Battery (NiMH)Battery operation timeApprox. 5 hours (compressor duty cycle 25 % max.)Battery charging time Approx. 3 hours (usable during charge)Dimensions (W × D × H) 237 × 438 × 1013 mm247 × 438 × 1013 mmMass 24 kg 24.5 kgOperating temperature/humidity ranges5 - 40 ˚C/20 - 80 % RH (non-condensing)Storage temperature/humidity ranges-10 - 50 ˚C/5 - 90 % RH (non-condensing)To obtain maximum measurement accuracy, please note the following:Note 1: Use in an environment that is as close as possible to 20 ˚C, and subject to minimal temperature change over time.Note 2: Use in conjunction with a surface plate of JIS 1 class, or higher, flatness specification.*1 Guaranteed when using the standard eccentric ø5 probe.*2 Guaranteed when using the Lever Head (519-521), Mu-Checker (519-561).*3 Order No. depends on the destination as shown in the table on the right.

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