Collapsible measuring cup
Collapsible measuring pole
Collapsible plumb bob
Collapsible radon monitor
Collapsible ruler
Collar for use with a clamp
Collar housing for a rotor-stator adaptor for sensitive rotating
Collar housing for a rotor-stator adaptor for sensitive rotating
Collar plug-in for a utility meter
Collimator test target
Colony counter
Colony counter
Color calibration device for a display
Color calibrator
Color comparator
Color disc for an analytical instrument
Color matcher
Color measurement instrument
Color measurement instrument and base unit
Color measuring apparatus