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MEASURING INSTRUMENTS CATALOG No.E2016

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E-41EMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.• The CERA Straight Master is a gage used for inspecting the straightness of travel of moving elements on equipment such as machine tools, CMMs, form measuring machines and semiconductor-related equipment.• Precision lapped reference surfaces achieve higher accuracy than conventional models.• Alumina ceramic construction achieves high resistance to abrasion and little secular change.• Three types (high accuracy, ultra-high accuracy and double faced models) are available to suit the majority of applications. The double faced model has two reference faces for checking straightness in two orthogonal directions.CERA Straight MasterSERIES 311 — Straightness Measuring GageEffective length: 700mmEffective length: 1000mmDouble faced modelApplicationWLapped surface(The straightness specication is guaranteed within the central 6mm width of this surface over the effective length of the gage) H4522.5Lapped surface8022.5GraduationsReference GagesLength Standards Brought to You by MitutoyoAn inspection certicate is supplied as standard. Refer to page X for details.SPECIFICATIONSMetric High accuracy modelOrder No.*Nominal lengthStraightness*1Size (L x W x H)Mass311-302400mm0.3µm440 x 35 x 50mm1.8kg311-305700mm0.5µm740 x 35 x 50mm3kg311-3071000mm1.0µm1040 x 45 x 80mm8kg311-3091300mm1.5µm1340 x 45 x 80mm10kg* Carrying handles (4pcs) are provided as standard for 311-307/9.Note: Straightness is measured within the specied range with the instrument supported at the Bessel points to minimize deection (0.2232 x overall length from each end).Inch High accuracy modelOrder No.*Nominal lengthStraightness*1Size (L x W x H)Mass311-32216”12µin440 x 35 x 50mm1.8kg311-32528”20µin740 x 35 x 50mm3kg311-32740”40µin1040 x 45 x 80mm8kg311-32950”60µin1340 x 45 x 80mm10kg* Carrying handles (4pcs) are provided as standard for 311-327/9.Note: Straightness is measured within the specied range with the instrument supported at the Bessel points to minimize deection (0.2232 x overall length from each end).Metric Ultra-high accuracy modelOrder No.*Nominal lengthStraightness*1Size (L x W x H)Mass311-332400mm0.2µm440 x 35 x 50mm1.8kg311-335700mm0.4µm740 x 35 x 50mm3kg311-3371000mm0.5µm1040 x 45 x 80mm8kg311-3391300mm0.7µm1340 x 45 x 80mm10kg* Carrying handles (4pcs) are provided as standard for 311-337/9.Note: Straightness is measured within the specied range with the instrument supported at the Bessel points to minimize deection (0.2232 x overall length from each end).Inch Ultra-high accuracy modelOrder No.*Nominal lengthStraightness*1Size (L x W x H)Mass311-34216”8µin440 x 35 x 50mm1.8kg311-34528”16µin740 x 35 x 50mm3kg311-34740”20µin1040 x 45 x 80mm8kg311-34950”28µin1340 x 45 x 80mm10kg* Carrying handles (4pcs) are provided as standard for 311-347/9.Note: Straightness is measured within the specied range with the instrument supported at the Bessel points to minimize deection (0.2232 x overall length from each end).Standard accessoriesUser’s manualWooden caseSupport blocks (ceramic): 3pcs.Chamois leatherGlovesCross section(High accuracy model, ultra-high accuracy model)Cross section(Double faced model)SPECIFICATIONSMetric Double faced modelOrder No.*Nominal lengthStraightness*1Size (L x W x H)Mass311-352400mm0.3µm440 x 45 x 80mm3.2kg311-355700mm0.5µm740 x 45 x 80mm5.5kg311-3571000mm1.0µm1040 x 45 x 80mm8kg311-3591300mm1.5µm1340 x 45 x 80mm10kgInch Double faced modelOrder No.*Nominal lengthStraightness*1Size (L x W x H)Mass311-36216”12µin440 x 45 x 80mm3.2kg311-36528”20µin740 x 45 x 80mm5.5kg311-36740”40µin1040 x 45 x 80mm8kg311-36950”60µin 1340 x 45 x 80mm10kg*Sufx Number for Inspection Certicate and Calibration CerticateSufx No.Certicate provided-20Inspection Certicate-22Calibration Certicate*Sufx Number for Inspection Certicate and Calibration CerticateSufx No.Certicate provided-20Provided with Inspection Certicate-22Provided with Calibration Certicate* Fixings for carrying handles are not provided.Note: Straightness is measured within the specied range with the instrument supported at the Bessel points to minimize deection (0.2232 x overall length from each end).

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