Fisher Scientific accumet AB150 pH Benchtop Meter
$593
Ohaus Conductivity Meter Model ST3100C-F
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Ohaus DO Meter Model ST300D
Ohaus pH Meter Model ST2100-E
Ohaus pH Meter Model ST2100-F
Ohaus pH Meter Model ST3100-F
Orion Research pH / MV Meter Model 611
Pharmacia LKB pH Meter / Monitor
$425
VWR SympHony Handheld pH Meter Model SP70P