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Portable precision pH test pen for Lab or general use.
Range: 0-14pH
Resolution: 0.01pH
Accuracy: +/- 0.01pH
Operating Temp: 0-60"C"
Power: 2 X LR44 Button Cells
Includes Plastic Storage Case & Powder to make up Cal Solutions
NOTE: Additional Callibration Powders Order 35750-TE