MEASURING INSTRUMENTS CATALOG No.E2016
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E-31EMitutoyo 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.•GBCD-100A measures the length of rectangular gauge blocks in the size range 0.5mm to 100mm. It automatically compares a test block with an appropriate reference gauge block. •The compensation result is not affected by the warp of thinner gauge blocks due to the use of upper and lower gaging heads (dual-head system). •Measurement conguration: 1 cycle of automatic comparison measurement with a standard gauge block.•Compensation master for gauge block comparator•Automatic primary-level measuring instrument for gauge block lengths between 0.1mm and 250mm using optical interference. GBI is a Twyman-Green interferometer which employs the method of multiple wavelength coincidence to calibrate lengths more accurately.•The GBI automatically detects the distribution of interference fringes with a CCD camera and processes the data. Measurement of parallelism and atness is provided as well as lengths based on the phase shift method and the interference fringe analysis software.•The intensity and wavelength of the He-Ne laser light sources are highly stable. This allows highly accurate and repeatable measurement. •Both the refractive index of air and the thermal expansion of gauge blocks are automatically compensated for by computer which is linked to a thermometer, hygrometer and barometer. Automatic Gauge Block Interferometer GBI(Interference fringe analyzing processing)Gauge Block Comparator GBCD-100A SERIES 565 - Automatic Comparator with Dual Gage Heads Special bridge-type blockGauge BlocksLength Standards Brought to You by MitutoyoSPECIFICATIONSMetricRangeMeasuring Uncertainty (Coverage range factor k = 2)Number of gauge blocks that can be mounted on the measuring tableLight sourcesOperating conditions0.1mm - 250mm0.025µm+0.2x10-6 LL = Gauge block length (mm) 12632.8nm frequency-stabilized He-Ne laser543.5nm frequency-stabilized He-Ne laser20±0.5°CUnder mild temperature change without direct exposure to cold or warm airSPECIFICATIONSMetricRangeResolutionAccuracy in narrow range(20°C)Upper gage headTypeMeasuring forceContact point0.5mm - 100mm0.00001mm (0.01µm)±(0.03+0.3L/1000)µm* L = Gauge block length (mm)Mu-Checker1N (100gf)Carbide contact point of radius of 20mmLower gaging headOperating conditionsTypeMeasuring forceContact pointMu-Checker0.6N (60gf)Carbide contact point of radius 5mmTemperature: 20°C ±1°C Humidity: 58%RH ±15%RH* Uncertainty of measurement at the 95% condence level (not including the calibration error of the reference gauge block).Note: To denote your AC power cable add the following sufxes to the order No.: A for UL/CSA, D for CEE, DC for CCC, E for BS, K for KC, No sufx is required for JIS/100V516-145-E2An inspection certicate is supplied as standard. Refer to page X for details.An inspection certicate is supplied as standard. Refer to page X for details.

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