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Key Equipment List

• Suite of environmentally controlled laboratories
• Zeiss UMC 850 CMM
• Hewlett Packard laser interferometer system
• Hilger-Watts gauge block interferometer
• Zeiss UMC600 Single Axis Measuring Machine
• Tesa gauge block comparator
• Federal long gauge block comparator
• Zeiss 'OPAL' Single Axis Measuring Machine
• Reference sets of angle gauges
• Ball bar standards
• Sphere plate standards  

Capabilities

List of instruments calibrated by NML: Angle gauges, precision Angle plates, box angle plates Autocollimator and angle dekkors Balls Clinometers Cylindrical setting standards Dial gauges, lever Dial gauges, plunger Gauge block accessories Gauge block comparators Gauge blocks (by comparison) Gauge blocks (by interferometry) Graticules   Indexing tables Length bar accessories Length bars Levels, electronic Levels, spirit Measuring machines, horizontal and vertical Measuring Tapes Micrometers, depth Micrometers, external Micrometers, height setting Micrometers, height setting riser blocks Micrometers, internal Optical flats Optical parallels Parallels, engineers Plain gap gauges, parallel Plain plug gauges, parallel Plain plug gauges, taper Plain ring gauges, parallel Plain ring gauges, taper Plain setting rings, parallel Polygons Receiver & position gauges, jigs, fixtures Rotary tables and dividing heads Scales, precision linear Screw plug gauges, parallel Screw ring gauges, parallel Sine bars, centres, tables Sine tables, compound Squares, blade Squares, block Squares, cylindrical Stage Micrometers Steel rule, engineers Step gauges Straightedges Surface plates & tables Tapes Thread diameter measuring machines Thread measuring cylinders Vee blocks Vernier gauges, calliper Vernier gauges, depth Vernier gauges, height Measurement Range Best Measurement Uncertainty (sample) Length 0 – 30 m ± 0.005 µm Angle 0 – 360 degrees ± 30 secs CMM 600 X 850 X 1200mm 2.8 + L/250 um (L in mm)  Details of calibration

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