Precision-instrument makers and repairers
South Africa Precision-instrument makers and repairers make, calibrate, repair, maintain, adjust and install mechanical watches, clocks, nautical, meteorological, optical, orthopaedic and other precision instruments and equipment and set them for correct performance.
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Tasks
- (a) repairing, cleaning, and adjusting mechanisms of timing instruments, such as watches and clocks
- (b) adjusting timing regulators, using calipers, watch-rate recorders, and tweezers
- (c) cleaning, rinsing, and drying timepiece parts, using solutions and ultrasonic or mechanical watch-cleaning machines
- (d) testing timepiece accuracy and performance, using meters and other electronic instruments
- (e) testing accuracy of meters, gauges, indicators, or other recording or controlling instruments to locate defective components and for conformance to standards
- (f) calibrating instruments or scales, using hand tools, computer, or electronic devices
- (g) inspecting components, connections, and drive mechanisms to detect defects
- (h) assembling instruments and devices, such as barometers, control valves, gyroscopes, hygrometers, speedometers, tachometers, and thermostats
- (i) testing, calibrating, and adjusting electronic, mercurial, aneroid, and other types of meteorological instruments for compliance with printed specifications and schematic diagrams, using voltmeters, oscilloscopes, and other test instruments
- (j) adjusting and repairing masts, supporting structures, clearance lights, control panels, control cabling and wiring, and other electrical and mechanical devices
- (k) repairing and setting optical instruments such as microscopes, telescopes, theodolities, sextants
- (l) checking whether assembled units conform to specifications and ensuring stipulated performance and sensitivity by standard tests
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