J-8JMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.Motor-Driven Z-axisSPECIFICATIONS for Motor-Driven Z-axis MF-U modelsBF(Bright-field)Model No.MF-UJ2017DMF-UJ3017DMF-UJ4020DOrder No. 176-894*1 176-895*1 176-896*1BD(Bright-field/Dark-field)Model No.MF-UK2017D MF-UK3017DMF-UK4020DOrder No. 176-897*1 176-898*1 176-899*1Eyepiece (optional) with diopter adjustment10X (eyepiece field number: 24, two eyepieces provided as standard), 15X, 20X Objective (optional)Bright-field (BF)M Plan Apo, M Plan Apo HR, M Plan Apo SL, G Plan ApoBright-field/dark-field (BD)BD Plan ApoVision AF*2AvailableStageMeasuring range200×170 mm300×170 mm400×200 mmQuick release mechanismFitted to X and Y axesZero set switchFitted to X and Y axesZ axisMax. workpiece height220 mmFeed mechanismMotor drive (measuring speed: max. 20 mm/s) Measuring accuracy*3 (X and Y axes, when not loaded)(2.2 + 0.02L) µm L=measuring length (mm) Digital displayResolution1/0.5/0.1 µm 0.0001/0.00005/0.00001 in (switchable)Display axesX, Y and Z FunctionsZero-setting, direction switching *1 To denote your AC power cable add the following suffixes to the order No.: A for UL/CSA, D for CEE, DC for CCC, E for BS, K for KC, C and No suffix is required for PSE.*2 Vision Unit and an image AF cable are separately required.*3 Measuring method complies with JIS B 7153.Note: For all specifications not included above see page J-7.•Freedom from burdensome focus adjustment even on a workpiece with many asperities allows the operator to perform stress-free measurement. •Using Vision Unit (optional) enables the image AF function.MF-UJ2017D• The turret, objectives and illumination unit are optional accessories.