BNC connector, suitable for most pH and controller BNC connectors Application: Suitable for a wide range of aquariums, hydroponics, laboratories and others Response time:less than equal 1min Operating temperature:0-60 Temperature (C):0-50 Connection form:Low-noise cable leads directly. Zero potentiometer (PH):71 PH range:0-14 error (mV):less than equal 15 Internal resistanceMohm(25):less than equal 250 Theoretical percentage slope%: equal 97 Terminal Blocks:BNC plug The repeatability (pH):less than equal 0.017 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. Colour:As Shown Material:Plastic Package Contents: 1 * Electrode Sensor Only the above package content, other products are not included. 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 334 hours Hope you have a pleasant shopping experience!