Beckman Phi 300 Benchtop pH Meter 143803 NOS Tested Working Original Box

Beckman Φ300 Series laboratory benchtop pH meter in excellent new-old-stock condition. Catalog/part number 143803. The meter has been stored in its original fitted packaging and shows little evidence of prior use. The unit was powered on and function-tested. It operates properly with a clear, fully readable LCD and responsive controls. The display is shown operating in the photos. No formal, traceable laboratory calibration was performed. Features include: Digital pH and temperature display Automatic temperature compensation (ATC) Three-standard calibration capability Adjustable display resolution Automatic endpoint/stability function BNC electrode connection Separate ATC, reference, recorder and solution-ground connections 9V DC power input Made in the USA Included: Beckman Φ300 pH meter Original fitted foam packaging and box Only the items shown in the photographs A pH electrode, temperature probe, calibration solutions and other accessories are not included unless specifically pictured. The original box has shelf wear, creasing and minor damage from long-term storage. Please review all photographs carefully, as they are part of the description and show the exact item and its condition. Compatibility, calibration requirements and suitability for a particular application are the buyer’s responsibility. No calibration certificate is included. Any testing described above is limited to the stated functions and does not constitute certification or guarantee continued accuracy after shipping, installation or use. Serial numbers may be recorded before shipment.