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Ohaus ST10 pH Pen Meter, 0 - 14 pH
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Ohaus ST10C-B Conductivity Pen Meter, 0 - 1999 uS/cm
Ohaus ST20C-C Conductivity Pen Meter, 0 - 19.99 ms/cm
Ohaus ST10T-B TDS Pen Meter, 0 - 1000 mg/L
Ohaus ST20T-B TDS Pen Meter, 0 - 1000 mg/L, 0 - 99 deg. Celsius
Ohaus ST10S Salinity Pen Meter, 0 - 10 ppt
Ohaus ST20S Salinity Pen Meter, 0 - 80 ppt
Ohaus ST10R ORP Pen Meter, -1000 to 1000 mV
Ohaus ST300 Portable pH Meter, 0 to 14 pH
Ohaus ST20 pH Pen Meter, 0 - 14 pH, 0 - 99 deg. Celsius
Ohaus ST300C Portable Conductivity Meter, 0 uS/cm - 199.9 mS/cm
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