For use with the following meters BNC connector: Meter Description 840087 Basic pH Meter 850055 Advanced pH Meter 850060 pH SD Card Logger 850081 Water Quality Meter 860031 Benchtop pH/mV Meter 860033 Benchtop Water Quality Meter Specifications Unit of Measure: Range: Resolution: Accuracy: pH 0 to 14 pH 0.01 pH ±0.02pH+2d Operation Temperature: 0 to 60 degrees C /32 to 140 degrees F Probe Dimensions: Probe Length: 5.5 140 mm Probe Diameter: 12 mm Cord Length: 48 Plug: BNC Connector Body Material: PP Response Time: seconds