An instrument with a microprocessor, designed to determine the quality of water.
NSN 6320-01-536-3077
NSN 5999-01-003-7289
NSN 6145-01-164-9824
NSN 6220-00-508-9155
NSN 6105-01-395-6658
NSN 6610-01-231-7713
NSN 6220-01-356-3091
NSN 5999-01-158-9129
NSN 5945-01-116-0861
NSN 6645-01-493-8632
NSN 2925-00-753-8598
NSN 5950-00-387-5741