Dissolved Oxygen Meter
Water-testers Dissolved Oxygen Meters offer a great means of measuring 02 in systems.  Check out the Milwaukee  Sm600 our best selling DO unit.

SM600 Dissolved Oxygen Meters Includes Probe.

Water-testers also offers the following Water Quality and Water Quality-related products: 
Calibration Solutions Conductivity Meters
Chlorine Meters & Electrodes Laboratory / Industrial pH & ORP Electrodes
Meter Cases Meters, Kits Monitoring Systems
Multiparameter Meters ORP, Temperature Pen Oxygen, pH Meters
pH Controllers & ORP Controllers pH Meters pH Meters and ORP Meters
Photometers & Colorimeters Refractometers and Hydrometers Salinity Meters
TGP Tensionometers Turbidity Meters Water Test Kits

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For Cnt USA

 

SM600
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SM600
sm600 dissolved Oxygen Meter by Milwaukee Instruments 
SM600
SM600 Dissolved Oxygen Meter By Milwaukee Instruments.
Superdior Unit for water Testing

The SM600 DO METER SALE Dissolved Oxygen meter is portable and designed for multiple applications such as aquarium, Lab Aquaculture and wastewater treatment monitoring.
 
This is a high tech unit that is easy to use.. The SM600 Dissolved Oxygen Meter  is easy to calibrate manually at two points, zero for the offset and 100% in air for the slope adjustment. The SM600 is used together with Milwaukee’s MA840, a ruggedly designed polarographic D.O. probe which is conic shaped and features a temperature sensor for temperature compensated readings.

The Milwaukee Dissolved Oxygen meter have a on and off for easy replacement in the field. The sm600 DO meter comes with an probe, extra membranes, and oxygen electrolyte solution for calibration.

Used heavily in the aquarium industry and lab testing