Ohaus Starter 400M Portable Multi-Parameter Meters

OhausSKU: 30468990


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Supplied with ST400M meter with IP67 rubber housing, electrode clip, USB cable and 4 AAA batteries


Supplied with ST400M-B kit and ST320 pH sensor (IP67, 3m cable), STCON3 conductivity sensor (IP67, 3m cable), portable bag and pH buffer sachet set


Durable Waterproof Battery-Operated pH and Conductivity Meters Ideal for Field Testing

  • Built with IP67 waterproof housing as well as a rubber cover and IP67 probes, the ST400M is ideal for prolonged use in any field environment.
  • Rechargeable lithium bettery provides 40 hours of uninterrupted use and more than 300 charge cycles.
  • Easy to operate with intuitive software and information displayed on the LCD.
  • Equipped with large storage capacity and ability to transfer data easily via USB.



pH, ORP conductivity, total dissolved solids (TDS), salinity, resistivity, temperature


Backlit liquid crystal display (LCD)


Rechargeable Li-battery, 2600mAh; > 300 charge and discharge times


Micro - USB (included)


ABS housing, replaceable in-use cover

Design Features

IP67 waterproof and dustproof design, 1000 memory data storage, indication of electrode status


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