A professional who fabricates, tests, analyzes, and adjusts precision electromechanical instruments, such as accelerometers, altimeters, electromedical instruments, gyroscopes, temperature probes, and x-ray inspection systems, according to blueprints and other specifications, using handtools, metalworking machines, and precision measuring and testing instruments. Responsibilities include:

• Operates metalworking machines, such as bench lathe, milling machine, punch press, and drill press to fabricate housings, fittings, jigs, and fixtures, and verifies dimensions, using precision measuring instruments.
• Assembles wires, insulation, and electrical components, such as resistors and capacitors, following method layouts, using fixtures, binocular microscope, soldering equipment, tweezers, and handtools.
• Installs electrical assemblies and hardware in housing, using handtools and soldering equipment.
• Tests assembled instruments for circuit continuity and operational reliability, using test instruments, such as multimeter, oscilloscope, oscillator, electronic voltmeter, and bridge.
• Analyzes test results and repairs or adjusts instruments according to analysis.
• Records test results and writes report on fabrication techniques used.
• May calibrate instruments according to specifications.
• May specialize in assembly of prototype or production instruments and be designated development technician.