Pool water tester
Portable analytical instrument or similar article
Portable colorimeter
Portable control housing for gas purging system
Portable hand-held test instrument
Portable interface console for monitoring of gas delivery system
Portable spectrophotometer
Portable toxic vapor analyzer
Portable water quality tester
Portable water tester with cap
Pregnancy testing stick
Pregnancy testing stick
Prism for sensor chip for biochemical analyzer
Probe controller housing
Pulse oximeter with thermometer