1PCS New For CHI111 CHI112 Ag/AgCl (Silver/Silver Chloride) Reference Electrode Items Description: Model : CHI111 ***Precautions for use*** 1? The electrode can be soaked in 3M potassium chloride solution for 1-2 hours before use. After use, the glass tube on the electrode can be removed, cleaned with ultrasonic waves, and the liquid inside the electrode can be replaced to extend its service life. 2? The product is not suitable for organic solvents and can be tested for organic solvents, but the electrode is more prone to damage. 3? Storage method: You can cover it with a rubber cap and store it at room temperature in the dark, or soak it in 3M potassium chloride at room temperature in the dark. Shanghai Chenhua brand: CHI111 silver chloride electrode: glass tube diameter 4mm, PTFE part 6.4mm. Inside the electrode is a pre added saturated potassium chloride solution. Shanghai Chenhua brand: CHI112 non mercury electrode, non-aqueous Ag/Ag+(silver/silver ion) reference electrode, There is no solution inside the electrode, you can choose to add the solution yourself. The diameter of the glass tube is 4mm, and the PTFE part is 6.4mm. Package: Shipping Policy: Item will be shipped within 1-5 working days after full payment is received Economy Shipping: 15-50 business days Standard Shipping: 10-35 business days Expedited Shipping: 3-7 business days Note: Average delivery time for reference only, actual time varies for different countries and related to uncontrollable factors such as weather weather / custom and holidays. Terms of Sale: - 30 Days Free Return and Money Back - If you are not satisfied with your purchase, you can return the item with original packaging back to us for full refund, not any re-stock fee, the return cost should be paid by buyer. - If you receive any wrong items, or damage during the transportation or defect items, we will accept the return and pay the return freight, Please noted that the return cost should be prepaid by buyer, we will issue the refund of return cost to buyer after inspecting the faulty item. - Please kindly contact us before return, our representatives will send you the detailed return instruction. - The guarantee will be only for the cost of the item, we will not responsible for installation or other fees like labor expenses, towing expenses, additional repair expenses or other related expenses. Customer Service: Contact us if you have a complaint, or plan to leave us a negative or neutral feedback, please contact us and we will be glad to help solve the problem. We reply your message within 24 hours, thank you!