Portable pH Meters
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The battery operated Orion 4 Star pH / DO meter is suitable for use in the most demanding applications and offers over 2,000 hours of continuous operation.
The Orion 4 Star pH / RDO meter requires no membranes. It offers simultaneus display of dissolved oxygen, pH and temperature on the backlit LCD display.
The 4 Star Plus pH / ISE Meter is a battery operated meter which can deliver over 2,000 hours of continuous operation.
The Orion 5 Star meter simultaneously displays pH, dissolved oxygen, conductivity and temperature on the backlit LCD display.
The Orion 5 Star Plus is a waterprooof, battery operated meter for monitoring pH, DO and conductivity. It can deliver over 2,000 hours of continuous operation.
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