- EXACTNESS IN THE NANOMETER RANGE USED TO BE A UTOPIAN IDEAL AND THEN THERE WAS PRECIMAR The Precimar product family specializes in high-precision dimensional metrology for absolute and relative measurements. Typical applications include products and reference standards for the aerospace and automotive industries and measurement of artifacts in calibration laboratories. Various universal length measuring machines enable the measurement and testing of lengths, inside and outside diameters, cylindrical and tapered threads, micrometers, snap gages, dial indicators, dial comparators, probes, gage blocks and tightly-toleranced products, right down to the 10-nanometer range. Mahr also offers special measuring instruments for calibration of dial indicators, dial comparators, probes and for gage blocks.
+ Precimar. Precision length metrology Precimar 828 FX Length Measuring Instrument for the Workshop 15-3 Precimar 828 M Length Measuring Instrument for Production 15-3 Precimar 828 PC 500 / 1000 Universal Length Measuring Machines 15-4 Precimar PLM 600 / 1000 Universal Length Measuring Machines 15-5 Precimar 828 CiM 500 / 1000 Universal Length Measuring Machines 15-6 Precimar 826 PC Gage Block Measuring Unit 15-7 Precimar 130B-24 Gage Block Comparator 15-8 Precimar 130B-16 Gage Block Comparator 15-9 Optimar 100 Universal Dial Indicator Testing Machine 15-10 Precimar DGV 100 Fully Automated Dial Indicator Testing Machine 15-12 Data Summary All Precision Length Measuring Instruments 15-13
- 15-2 Precimar. Precision Length Measuring Instruments UNIVERSAL LENGTH MEASURING INSTRUMENTS, MEASURING INSTRUMENTS FOR GAGE BLOCKS AND DIAL INDICATORS Mahr's universal length measuring machines are designed for absolute and relative measurement of precision products and reference standards. Typical applications include products and reference standards for the aerospace and automotive industries, precision engineering and measurement of artifacts in calibration laboratories. With an extensive selection of products ranging from the straightforward 828 FX length measuring instrument to the high-precision 828 CiM universal length measuring machine, Mahr offers practical solutions for production environments, inspection rooms and calibration laboratories. In other words, high-precision metrology with extremely efficient measurement processes.
+ 15-3 Precimar 828 FX Universal length measuring instrument for precision measurement of diameters, threads, lengths, recesses, gears and splines, etc. The 828 FX length measuring instrument from Mahr is a costeffective and practical solution for performing high-precision measurements with a large absolute measuring range. High measuring accuracy thanks to precision engineering - ± 1 µm plane parallelism of the probe mounts and state-of-theart read-out devices from the Mahr product range Straightforward design of unit allows precise measurement and quick change-over to new measuring tasks Measuring anvils which meet specific practical requirements available on request Depending on the requirements, different display units can be used, e.g. the Mahr 1085 digital dial indicator, analog dial indicators or inductive probes with Millimar display Every 828 FX comes with a Mahr Calibration Certificate which documents all results of the final inspection Versions 828 FX for outside measurements 0 to 30 mm/30 to 60 mm 828 FX combi for outside measurements 0 to 30 mm/30 to 60 mm and inside measurements 6.5 to 30.5 mm/15 to 80 mm 828 FX ini 80 for inside measurements 6.5 to 30.5 mm/15 to 80 mm Precimar 828 M Universal length measuring instrument for fast, highprecision measurements in production environments. The 828 M universal length measuring instrument from Mahr is a cost-effective, practical solution for performing high-precision measurements with a large absolute measuring range in production environments. It is ideal for all situations where extremely high quality is required. The high measuring accuracy is achieved through precision engineering, such as the ± 1 µm plane parallelism of the probe mounts, combined with state-of-the-art read-out devices from the Mahr product range. High measuring accuracy Possible display units include the Mahr 1082 digital dial indicator, analog dial indicators and inductive or incremental probes Precision measurement and quick change-over to new measuring tasks thanks to straightforward design Measuring anvils which meet specific practical requirements Fast changeover of accessories using serrations on the mounting surface for precise establishment of the measuring axis Every 828 M comes with a Mahr Calibration Certificate Versions The 828 M comes in two versions: Standard version 828 M for inside and outside measurements 828 M-a for outside measurements only
- 15-4 Precimar 828 PC 500 / 1000 Universal length measuring machines The 828 PC 500/1000 features a universal object support table with 5 adjustable axes, a PC workstation, the 828 WIN "Free Measurement" basic software and a Calibration Certificate. The 828 PC offers all the features required for testing plug gages, ring gages, thread gages, micrometers, snap gages, gage blocks (min. length 100 mm) and precision parts from the production line. Instead of analog and digital display systems, manual operations are now enhanced by computer intelligence and on-screen displays. The 828 PC 500 and 1000 are globally tried-and-tested length measuring machines. Although manual, these machines are very user-friendly, fast and reliable to operate, with the minimum measuring uncertainty. Typical applications include precision products and reference standards. Maximum measuring accuracy is achieved thanks to single-step measured-value computation, exact compliance with the Abbe comparator principle and a high-quality glass-scale length measuring system. The granite machine bed with integrated guide ways is supported at 3 points. The measuring slide has a manual screw-type drive. The left-hand measuring support can be moved to vary the application range from 0 to 500 / 1000 mm (outside measurements). A 5-axis object-support table with manual vertical movement is also featured. 828 WIN measuring software from Mahr. High measuring certainty of 0.15 + L/1500 µm thanks to mapping correction of systematic deviations High measurement sensitivity and precision thanks to error-free motion of the probe which is mounted on parallel springs free of play and friction Straightforward operation thanks to a measuring slide that can be manually fine-tuned quickly with the screw-type drive. Outside and inside measurements are performed with computeraided detection of reversing points State-of-the-art data recording, processing, logging and transfer with powerful software and menu-driven operation Minimum measuring uncertainty thanks to a highly polished granite machine bed, adjustable measuring spindles with inductive precision probes, precise mechanical measuring force control and high contacting sensitivity Numerical resolutions of 0.1 µm or 0.01 µm on the display unit connected immediately downstream of the incremental measuring system Easily adjustable measuring force for matching to the size and shape of the testpiece Versions PC 500 with manually adjustable object-support table PC 1000 with manually adjustable object-support table Machine for absolute and relative measurement. Typical applications include products and reference standards for the aerospace and automotive industries and measurement of artifacts in calibration laboratories. These machines are designed for measuring lengths, outside and inside diameters, cylindrical threads, dial indicators, dial comparators, probes, micrometers, snap gages etc. Accessories Large range of accessories for measuring inside diameters (bores, rings) and outside diameters (on object-support table or in a V-block) Variable outside and inside measurements thanks to numerous easily interchangeable stylii Thread measurements on rings and plugs with a wide range of stylus balls and/or wires
+ 15-5 Precimar PLM 600 / 1000 Universal length measuring machines The motorized Precimar PLM 600 and 1000 enable user-friendly, fast and reliable measurement with minimum uncertainty. Typical applications include precision products and reference standards. Maximum measuring accuracy is achieved thanks to single-step measured-value computation, exact compliance with the Abbe comparator principle, the high-quality glass-scale length measuring system and the CNC-controlled measuring carriage. The machine bed made from nodular cast iron with integrated guide ways is supported at 3 points. The measuring slide uses a rolling bearing guide. A movable left-hand measuring support is available for varying the application range from 0 to 600 / 1000 mm (outside measurement). The 5-axis object-support table can be supplied with manual or CNC-controlled vertical movement. 828 WIN measuring software from Mahr. Versions The Precimar PLM 600 /1000 features a universal objectsupport table with 5 precisely adjustable axes and 20 kg load capacity, a state-of-the-art PC-based multiple-axis machine control system with PC workstation, the 828 WIN "Free Measurement" basic software and a Calibration Certificate Straightforward operation using measuring force-controlled, progressive joystick- operated measuring slide and automatic contact detection Automatic detection of outside and inside measurements and computer-aided detection of reversing points Motorized measuring slide allows high travel speeds CNC-controlled motorized vertical movement of the support table (optional) boosts measuring efficiency still further State-of-the-art machine control, data recording, processing, logging and transfer with powerful software and menu-driven operation Minimum measuring uncertainty thanks to integral guides on the machine bed; adjustable, spring-mounted, low-friction measuring spindle; electronic measuring force control and automatic detection of contact with the workpiece Software compensates for thermal dimensional deviations Very straightforward setting and changing of measuring force via software PLM 600 with manually adjustable object-support table PLM 600 with CNC-controlled object-support table (Z-axis) PLM 1000 with manually adjustable object-support table PLM 1000 with CNC-controlled object-support table (Z-axis) Machine for absolute and relative measurement. Typical applications include products and reference standards for the aerospace and automotive industries and measurement of artifacts in calibration laboratories. These machines are designed for measuring lengths, outside and inside diameters, cylindrical and tapered threads, dial indicators, dial comparators, probes, long gage blocks etc. Accessories Large range of accessories for measuring: - Inside diameters (bores, rings (including large rings)) - Outside diameters (devices for longitudinal, transverse and vertical testpiece mounting between centers or in V-blocks) Variable outside and inside measurements thanks to numerous easily interchangeable stylii Fast, straightforward thread measurements on rings and plugs thanks to semi-automated processes and a wide range of stylus balls / wires
- 15-6 Precimar 828 CiM 500 / 1000 Universal length measuring machines Straightforward operation using measuring force-controlled, progressive joystick operated measuring slide and automatic contact detection Automatic detection of outside and inside measurements and computer-aided detection of reversing points High travel speeds of the measuring slide and motorized vertical movement of the support table Machine control, data recording, processing, logging and transfer using powerful, menu-driven software Minimum measuring uncertainty due to the use of bearings for all slides supported by the machine bed; the support of the measuring spindle over a spring parallelogram which is free of both play and friction; electronic regulation of measuring forces and automatic contacting. These factors allow subjective influences to be minimized and unintentional collisions with the testpiece prevented Correction of systematic deviations and reduction of random deviations all result in an achievable reduction in U95 measuring uncertainty of (0.075 + L/1000) µm (L in mm). (At 20.0 C in inspection room, class 1 VDI/VDE 2627) Measuring force can be easily set and compensation of thermally induced dimensional deviations switched on and off by a software click Superb performance, measuring runs of unique perfection and high-quality computer technology allow quality management that far exceeds the EN 29 000... and ISO 9000 guidelines. The motorized CiM 500 and 1000 allow user-friendly, fast, reliable measurement with uniquely low measuring uncertainty. Typical applications include precision products and reference standards. The extremely high measuring precision is achieved using airbearing components, practically friction-free measuring force generation, exact adherence to the Abbe comparator principle, a high-quality glass-scale length-measuring system and CNCcontrolled measuring slides. The machine bed is made of granite and uses an air-bearing measuring slide with a 300 mm active travel range. The object-support table and left-hand measuring support can be moved to vary the application range from 0 to 500 / 1000 mm (outside measurements). The 5-axis object-support table allows CNC-controlled vertical movement. 828 WIN measuring software from Mahr. The Precimar CiM 500 /1000 features a universal measuring table with 5 precisely adjustable axes and 25 kg load capacity, a stateof-the-art PC-based multiple-axis machine control system with PC workstation, the 828 WIN "Free Measurement" basic software and a Calibration Certificate Versions 828 CiM 500 with CNC-controlled object-support table (Z-axis) 828 CiM 1000 with CNC-controlled object-support table (Z-axis) Machine for absolute (up to 300 mm) and high-precision relative measurement. Typical applications include products and reference standards for the aerospace and automotive industries and measurement of artifacts in calibration laboratories. These machines are designed for measuring lengths, outside and inside diameters, cylindrical and tapered threads, dial indicators, dial comparators, probes, long gage blocks, snap gages, micrometers etc. Accessories Large range of accessories for measuring: - Inside diameters (bores, rings (including large rings)) - Outside diameters (devices for longitudinal, transverse and vertical mounting between centers or in V-blocks) Measurement of a large variety of outside and inside measurements thanks to numerous easily interchangeable stylii Fast, straightforward thread measurements on rings and plugs thanks to semi-automated processes and a wide range of stylus balls / wires
+ 15-7 Precimar 826 PC Gage Block Measuring Unit The Precimar 826 enables rapid, high-precision, straightforward testing of European and US gage blocks up to 170 mm long in accordance with ISO 3650. Rigid cast-iron stand ensures a stable temperature and insensitivity to heat Vertical slide with upper probe easily adjustable Very ergonomic and convenient one-handed operation for positioning the gage block under the probe Fine adjustment via rigidly connected parallelogram springs Electropneumatic lifting of the probes Extremely smooth manipulator operation due to high-precision rotary stroke bearings Measurement not influenced by manual force applied Gage blocks easy to move on the measuring table due to round, hardened high-precision support pins No zero point setting required, since the set value is offset by the stored actual allowance of the respective reference gage block Very effective protection from heat due to an acrylic glass screen along the front and faces of the unit Correction for gage block flatness errors Correction of different coefficients of thermal expansion Computation of mean values Two measuring and evaluation programs: Calibration and data management or additionally with customer management, gage-block-storage management and multi-test-unit management The 826 PC gage block measuring unit is fast, reliable and highly precise. In comparative measurement, it achieves a repeatability of 0.01 µm. An open and extremely rigid L-shaped stand forms the basis for the two opposing high-precision probes and the perfectly flat measuring table. Work is made easy thanks to straightforward one-handed operation for manipulating reference and test gage blocks on the measuring table. The open design allows the user to view the measuring process at all times which helps to ensure a unique level of process reliability. Accessories QM-SOFT or EMPAW calibration software for calibration and data management of gage blocks and gage-block sets Pindar calibration software for calibration and data management of gage blocks and gage-block sets or additionally with customer management, gage-block-storage management and multi-testunit calibration and management The evaluation programs run under Windows 95/98/ME or Windows NT/2000 Two professional measuring and evaluation programs (software) meet all the needs of internal gage-block tests, calibration laboratories and gage-block manufacturers.
- 15-8 Precimar. Model 130B-24, the Standard of the Industry Better than ever: Model 130B-24 and 130B-16. The Gage Block Comparators Three easily interchangeable templates are included for comparison of square and two different sizes (30 mm and 35mm) rectangular blocks. Alternate templates are optionally available. The positioner accommodates blocks as thin as.020" (0.5 mm) up to 4" (100 mm). It can be hinged for left-hand or right-hand operation, or it can be removed completely if not needed. The positioner includes an acrylic breath shield that keeps body heat out of the measurement area. Specifications Model 130B-24 Approximate Size 15" x 15" x 23" (without computer) (400 mm x 400 mm x 600 mm) Approximate Weight (without computer) 225 lb (100 kg) Gaging Capacity 0.010" to 4" 0.25 mm to 100 mm Mahr Federal's 130B-24 Gage Block Comparator is truly the preferred choice of all major calibration laboratories. It is specifically designed for the measurement of gage blocks by comparison, with no compromises made. The Model 130B-24 provides the ultimate in resolution and reproducibility for measurement of industry's most important dimensional standards. Unique "Floating Measuring Frame" assures true point-to-point measurement Single sensor design for the lowest possible electronic noise Precise counterbalancing for control of measurement forces Resolution of 0.1 microinch/0.001 micrometer Repeatability of 0.2 microinches/0.005 micrometers (6s < 1 microinch/0.025 micrometer) Measurement capacity from 0.010" through 4" (0.25 mm through 100 mm) Integrated measurement software and user interface Built-in positioner for reproducible measurement locations Gaging Force (Upper Contact) 3 oz (0.8 N) (Lower Contact) 1 oz. (0.3 N) Contact Material Tungsten Carbide, (Diamond - Optional) Contact Radius Sensor Range Measurement Range Repeatability 0.125" (3 mm) ±0.015" (±0.38 mm) ±500 µ" (±10 µm) 6σ <1 µ" (25 nm) Measured on a 1" gage block without removing the block Linearity <1 µ" over the central ±50 µ" and <1 µ" in any 50 µ" over the ±500 µ" measuring range <20 nm over the central ±1µm and < 20 nm in any ±1 µm over the ±10 µm measuring range Block Positioner A precision positioning mechanism is built into the platen of the 130B-24. The master block and the work block are loaded into spaces in the template. The mechanism swings into place between the contacts and guides the position of the blocks - first the master block to its reference position, then the work block to its reference position, then to the corners of the block.
+ 15-9 Precimar 130B-16 Model 130B-16 "Long Block" Comparator Same highly linear, stable electronics as 130B-24 Designed for measuring blocks above 4.000" (100 mm) but capable of checking shorter blocks as well Linear ball slide for smoothly moving long gage blocks without danger of tipping them over Large platen area for staging blocks before measurement - critical to achieving thermal equilibrium with the gage Fully counterbalanced "floating measurement frame" to isolate measurements from vibration Open frame design allows comparison measurement of large disks, up to 24" in diameter Can be operated from the same computer as 130B-24 Scale on left-hand post allows rough positioning, and micrometer-style spindle allows smooth, easy mechanical fine-adjustment Specifications Approximate Size 15" x 15" x 40" (without computer) (400 mm x 400 mm x 1016 mm) Approx. Weight (without CPU) 310 lb (140 kg) Gaging Capacity 0.10" to 24" 2.5 mm to 600 mm Gaging Force (Upper Contact) 4 oz (1.1N) (Lower Contact) 2 oz. (0.6N) Contact Material Tungsten Carbide (Diamond Opt.) Contact Radius 0.125" (3 mm) Sensor Range ±0.015" (±0.38 mm) Measurement Range ±500 µ" (±10 µm) Repeatability 6σ <1 µ" (25 nm) Measured on a 1" gage block without removing the block Linearity <1 µ" over the central ±50 µ" and <1 µ" in any 50 µ" over the ±500 µ" measuring range <20 nm over the central ±1 µm and <20 nm in any ±1 µm over the ±10 µm measuring range Integrated Software Common to both 130B-24 and 130B-16 All user functions are controlled and displayed on the screen of the comparator's computer. From set-up to printout of the final report, all is handled in one place. Software runs in Windows 98, XP, and 2000. The report generator is a run-time version of Microsoft's powerful Access database program. The flow of the program has been tested by use in many calibration laboratories, evolving over more than fifteen years, with improvements constantly being made. Software Master Set values stored in computer's memory, and calibrated deviation values automatically applied during measurement System calibration achieved by measuring multiple known blocks and fitting the data with a straight line providing an extremely robust value for the gain calibration Penetration coefficients can be from default values, or can be calculated, providing current effective penetration coefficients for the machine Automatic correction made for temperature induced errors when measuring dissimilar materials. Temperature can also be monitored automatically Analysis screens provide a history of a single block or for a quick visual report on calibration of a complete set Supports tolerance grades from both ASME B89.1.9-1984 (same tolerances as Federal Specification GGG-G-15C) and ASME B 89.1.9-2002 (same tolerances as ISO-3650) Printed reports available for each calibration Password protection for set-up parameters Automatic switching from inch to metric Evaluates measured deviation from nominal, plus Variation in Length with the number of points selectable from one (reference position only) to ten. Defaults to five places for compliance with current standards Powerful User Interface displays Sensor Position, Measurement Value, and Current Measurement Status bar reports instrument status, temperatures, and if Check Standards are being used User is prompted through the process for each block in a set
- 15-10 Precimar. Dial Indicator Testing Machines SEMI- AND FULLY AUTOMATED MEASUREMENT TESTING MACHINES Dial indicator testing machines from Mahr ensure efficient and precise metrology. These instruments provide exact measurements for dial indicators, dial comparators, lever-type test indicators and inductive and incremental probes. Typical applications include dial indicator testing in all branches of industry, inspection rooms, calibration laboratories and production testing by dial indicator manufacturers. With the Optimar 100 and DGV 100, Mahr offers a practical solution for both costeffective and semi-automated testing of small numbers of items and efficient and fully automated testing of large quantities.
+ 15-11 Optimar 100 Universal dial indicator testing machine The cost-effective, semi-automated testing device for semi- or fully automated testing of dial indicators, dial comparators, lever-type test indicators and inductive and incremental probes. Designed as a table-top unit, the OPTIMAR 100 is user-friendly and ensures fast test runs. It features a motorized drive and is equipped with a high-resolution measuring system. The test run is software-controlled. Used to test dial indicators, dial comparators, lever-type test indicators, inside micrometers, digital dial indicators and inductive or incremental probes Automation of sub-processes (automated pre-positioning) using motorized measuring-spindle drive Fully automated measuring run for digital devices OPTIMAR 100 may be used horizontally (e.g. for measuring inside micrometers) Testpiece mounting via vertical guide. Height can be adjusted quickly (adaptation of testpieces to different measuring ranges) Box-shaped and thus rigid machine housing For testpieces with a shaft diameter of 8 mm, 28 mm, 3/8" (optional) Electronic hand wheel for manual control of the measuring anvil's movement. Self-adjusting sensitivity of the electronic hand wheel for adaptation to the specific action or measuring task Ergonomic design of all operating elements Compliance with the Abbe comparator principle for realizing highest measuring accuracy High accuracy glass-scale measuring system with computerbased error compensation. Testing of inside micrometers without loss of accuracy Measuring uncertainty in vertical and horizontal direction: u95 = ± (0.2 + L/100) µm, L in mm at T= 20 C ± 0.5 C, permissible temperature gradient 0.1 K/h Mahr software, QMSOFT software (partial version for indicators only) Applications For analog dial indicators, dial comparators, lever-type test indicators and inside micrometers, and for digital dial indicators and inductive and incremental probes Accessories Large selection of cable adapters for digital dial indicators and inductive and incremental probes Please ask for customized cable adapters, if required Probes can be connected to Optimar via probe box
- 15-12 Precimar DGV 100 Fully automated dial indicator testing machine The test procedure for automated indicator detection using a matrix camera and intelligent image processing software simulates manual reading with semi-automated units such as Optimar 100 When the pointer of the dial indicator coincides with the scale division of the dial indicator, the measured values are taken completely automatically The camera support and evaluation software makes the accuracy of the reading more precise than that of a manual test (no parallax errors or other user influences) The fully automated testing device for dial indicators, dial comparators, lever-type test indicators and inductive and incremental probes. This fully automated measuring instrument, complete with camera and image processing software for reading analog dial indicators, ensures time savings of 75 % during calibration. This significantly reduces personnel costs. The DGV 100 is a fully automated table-top unit for fast test runs. It features a motorized drive and is equipped with a high-resolution measuring and camera system. The test run is software-controlled. Lower rejection rate of dial indicators and manufactured parts thanks to objective indicator detection with matrix camera and intelligent image processing software All dial indicators calibrated using fully automated measurement National and international standards integrated. Customized standards can be drawn up with ease Straightforward operation and fast testpiece changeover Meets all requirements for creating test records due to integrated record editor and data exchange with external PMU-Software 100 mm measuring range Designed for testing analog dial indicators, dial comparators and lever-type test indicators digital dial indicators and inductive probes Versions For analog dial indicators, dial comparators, lever-type test indicators and inside micrometers, and for digital dial indicators and inductive probes Large selection of cable adapters. Please ask for customized cable adapters, if required Scope of Delivery Stable test setup with integrated measuring system Mount for dial indicators and dial comparators with shaft diameters of 8 mm and 3/8 inch Mount for lever-type test indicators (small probe) Universal measuring anvil MFP-M control unit Joystick for drive control Matrix camera with illumination PC incl. 15" TFT screen Dialtest DT 100 for Windows software package Mahr Calibration Certificate
+ 15-13 Precimar. Precision Length Measuring Instruments - Data Summary 828 FX 828 FX combi 828 FX ini80 828 M 828 M-a Outside meas. range mm 0 to 30/30 to 60 0 to 30/30 to 60-0 to 120 0 to 120 Inside meas. range mm - 6.5 to 30/15 to 80 6.5 to 30/15 to 80 7 to 50/12 to 120 - Measuring uncertainty µm from 0.5 from 0.5 from 0.5 from 0.5 from 0.5 Mode of operation manual manual manual manual manual Precimar. Precision Length Measuring Machines - Data Summary 828 PC 500; 1000 PLM 600; 1000 CiM 500; 1000 Outside meas. range mm 0 to 500; 0 to 1000 0 to 600; 0 to 1000 0 to 500; 0 to 1000 Inside meas. range mm 0.5 to 345; 0.5 to 845 0.5 to 445; 0.5 to 845 0.5 to 345; 0.5 to 845 Measuring range direct mm 200 200 300 Measuring uncertainty µm 0.15 + L/1000 0.15 + L/1500 0.075 + L/1000 Repeatability µm 0.08 0.05 0.03 Measuring force N 0.5 to 10 0.1 to 13.9 0.1 to 13.9 in fixed increments infinitely adjustable infinitely adjustable Object table size mm 65 x 235 300 x 150 350 x 150 Object table load N 70 200 250 Mode of operation manual motorized - CNC motorized - CNC Precimar. Dial Indicator Testing Machines Precimar. Gage Block Measuring Units Optimar 100 DGV 100 Measuring range mm 100 100 Measuring uncertainty µm 0.2 + L/100 0.2 + L/100 Testing direction vertical and horizontal vertical Mode of operation semi-automatic fully automatic 826 PC 130B-24 130B-16 Testing range mm 0.5 to 170 0.25 to 100 2.5 to 600 Gage blocks European (rectangular) and US (square) 0.010 to 4 0.10 to 24 Repeatability 0.01µm 6σ <1µ (25 nm)