Ohaus Pen Meter ST20 pH pen meter, resolution 0.01 pH, temperature display
Ohaus Pen Meter ST20T-B TDS pen meter, measurement range 0.0 - 1000mg/L, temperature display
Ohaus ST20R ORP pen meter, measurement range -1000mV to 1000mV, temperature display
Ohaus ST20M-B Pen Meter measurement range 0 - 1999 µs/cm
Ohaus ST20T-A TDS pen meter, measurement range 0.0 - 100mg/L, temperature display
Ohaus Pen Meter ST20S Salinity pen meter measurement range 0.0 - 80ppt temperature display
Ohaus Pen Meter ST20D DO pen meter, measurement range 0.0 to 19.9mg/L, temperature display
Ohaus Pen Meter ST10T-B TDS pen meter, measurement range 0.0 - 1000mg/L
Ohaus Pen Meter ST10T-A TDS pen meter, measurement range 0.0 - 100mg/L
Ohaus Pen Meter ST10S Salinity pen meter, measurement range 0.0 - 10.0ppt
Ohaus Pen Meter ST10R ORP pen meter, measurement range -1000mV to 1000mV
Ohaus Pen Meter ST10 pH pen meter, resolution 0.1 pH
Ohaus ST20M-C Pen Meter measurement range 0.00 - 19.99 ms/cm
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