analyst
assayer
breaker
centrifuge
cutter
essayer
examiner
experimenter
gas analyzer
mass spectrograph
mass spectrometer
research worker
researcher
scanner
separator
sieve
stripper
test driver
test pilot
tester
tryer-out
instrument
amplifier
analog
bandwidth
circuitry
controller
converter
detector
diagnostics
generator
hardware
input
measurement
microprocessor
oscillator
oscilloscope
processor
recorder
sflow
spectrometer
subsystem
synthesizer
transmitter