PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe BNC Connector BNC connector, suitable for most pH and controller BNC connectors_x000D_ Application: Suitable for a wide range of aquariums, hydroponics, laboratories and others_x000D_ _x000D_ Response time:less than equal 1min_x000D_ Operating temperature:0-60_x000D_ Temperature (C):0-50_x000D_ Connection form:Low-noise cable leads directly._x000D_ Zero potentiometer (PH):71_x000D_ PH range:0-14_x000D_ Alkali error (mV):less than equal 15_x000D_ Internal resistanceMohm(25):less than equal 250_x000D_ Theoretical percentage slope%:greater than equal 97_x000D_ Terminal Blocks:BNC plug_x000D_ The repeatability (pH):less than equal 0.017_x000D_ Tips:The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance._x000D_ Colour:As Shown_x000D_ Material:Plastic_x000D_ _x000D_ Package Contents:_x000D_ 1 * Electrode Sensor_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_