electronic measurement units, namely, capacitance gauge systems for plastic film thickness and profile monitoring and control, for determining the thickness of plastic films

non-contacting level measurement instrumentation; namely, nuclear, microwave radar, ultrasonic, and neutron level measurement instruments for measuring the level of flowable material in a container

ELECTRONIC MEASUREMENT UNITS FOR DETERMINING THE THICKNESS OF PLASTIC FILMS

Hand-Held Household And Construction Distance Measuring Devices Which Use Sound Waves