G-5GLinear GagesIdeal for integration into harsh environments such as automation applicationsMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.LGK SERIES 542 — Slim type•Compact model offers the vibration/shock resistance of the proven LGF series. Cross-sectional area is approx 1/5 compared to 542-181.•Resolution of each model can be selected from 0.1 µm, 0.5 µm, or 1 µm.•Excellent sliding durability improved to remain serviceable for at least 15 million cycles (in-house testing).•Excellent shock resistance, 100 G/11 ms (IEC 60068-2-27)Unit: mm82.73020.4Connecting cable (2 m)RM12BPE-6PH (HIROSE)Unit: mmSPECIFICATIONSOrder No.542-158542-157542-156Measuring range10 mm Resolution0.1 µm0.5 µm1 µmMeasuring accuracy (20 °C)(0.8+L/50) µm (L=mm)(1.5+L/50) µm (L=mm)Quantizing error±1 countMeasuring force Contact point downwards0.8 N or lessContact point horizontal0.75 N or lessContact point upwards0.7 N or lessPosition detection methodPhotoelectric linear encodeResponse speed400 mm/s1500 mm/sOutput signal90° phase difference, differential square wave (RS-422A equivalent), minimum edge intervals: 200 ns for 0.1 µm model, 200 ns for 0.5 µm model, 400 ns for 1 µm modelOutput signal pitch0.4 µm2 µm4 µmMassApprox. 175 gContact pointø3 mm carbide tipped (fixing screw: M2.5 (P=0.45)×5), standard contact point: 901312Stem ø8 mmBearing Linear ball typeOutput cable length2 m (directly from casing)ConnectorPlug: RM12BPE-6PH (HIROSE), Compatible receptacle: RM12BRD-6S (HIROSE)Operating temperature (humidity) ranges 0 to 40 °C (RH 20 to 80 %, non-condensing)Storage temperature (humidity) ranges–10 to 60 °C (RH 20 to 80 %, non-condensing)542-158542-157542 -156DIMENSIONSAttachment thread for thrust stemM9.5×0.510.6 or longer (stroke)Rubber bootø8–0.0090146.573.1ø12125.5Attachment thread for thrust stemM9.5×0.510.6 or longer (stroke)Rubber bootø8–0.0090146.573.1ø12125.5542-158542-157Attachment thread for thrust stemM9.5×0.510.6 or longer (stroke)Rubber bootø8–0.0090146.573.1ø12125.5542-156ConnectorOptional Accessories• Air lifter: 02ADE230Required air pressure: 0.2 to 0.4 MPaSpindle extends when air is supplied.•Rubber boot: 238772 (spare)•Thrust stem set*: 02ADB680Thrust stem: 02ADB681Clamp nut: 02ADB682•Special spanner: 02ADB683* Thrust stem set is a combination of thrust stem and a clamp nut. A special spanner is required for tightening. If using multiple gages, a thrust stem set for each gage and one special spanner are required. •Extension cable 5 m : 90243410 m : 90243320 m : 902432Connectable up to 3 pieces, 20 m at maximum.Refer to the Linear Gage Brochure (No. E13007) for more details.