Soil compaction tester
Solid state pressure detector
Solid state pressure detector
Solid state pressure detector
Solid state pressure detector
Sound level indicator
Spare tire air pressure monitor
Spring pressure gauge or similar article
Spring seat for test stand
Streamlined pressure gauge
Strength meter
Strength meter
Stress gauge force sensing instrument
Stress:strain materials testing instrument
Suction tester for vacuum cleaner
Swivel top scale
Teaching scale
Tensiometer
Tension indicator for strap tensioners
Terminal for weighing apparatus