An instrument with a microprocessor, designed to determine the quality of water.
NSN 5998-01-176-4111
NSN 5895-01-032-6281
NSN 5960-01-071-6267
NSN 5960-00-273-3058
NSN 5925-01-281-8076
NSN 6110-00-243-1646
NSN 6620-01-594-0105
NSN 6240-01-295-6483
NSN 6110-01-035-0427
NSN 5990-00-263-1289
NSN 6105-01-248-4673
NSN 5855-00-361-0167