Check the listing for details. TDS Meter Digital Tester Water Quality Testing Kits for Drinking Water 0-9990ppm. Color: White, Condition: New. Listed at 7.49 USD. TDS Meter Digital Tester Water Quality Testing Kits for Drinking Water 0-9990ppm Description: WIDELY USE: It is commonly used for testing the pH balance, quality and hardness of drinking water, household water, pool water, aquarium, Spa, hydroponics etc. THE RANGE OF MEASURE: PH resolution is 0.01pH, accuracy is ±0.01pH, measurment range is 0-14 pH. TDS meter ranges from 0~9990ppm, Conductivity ranges from 0~9990 us/cm, EC ranges from 0~9990 us/cm EASY TO USE: For water quality tester, pressing ''HOLD'' button for maintaining reading, pressing ''SHIFT'' button once for TDS & EC transformations, pressing ''SHIFT'' button twice for "° C / ° F" transformations Specifications: Material: ABS 4 Display modes: Press SHIFT button: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °F Measurement Range: Conductivity: O~999OUS/CM TDS: 0-9999ppm Accuracy: 2% Battery: 3V CR2032 (Battery included) Dimension: 15.5cm*3cm*1.5cm / 6.1*1.2*0.6inch Weight: 59g / 0.13 How to Use: 1. Please unplug the electrode protective sleeve before use. 2. Press the switch,place the electrode into the test solution. 3. After the numerically stable,press the HOLD button and take it out of the solution to read. 4. After reading,turn off the meter,wipe clean the electrode before sleeving it. Tips: 1. Shift between TDS and Conductivity: Please touch the SHIFT button. 2. Temperature shift: Continuous touch the SHIFT button twice,degrees Celsius and degrees Fahrenheit conversed. 3. Automatic temperature compensation: Automatic convert the indicating value to 77°F or25°C. Package Included: 1 x TDS EC Meter 1 x PU Leather Cover 1 x User manualPayment：Delivery details：Return and Refund Policy：Warranty：Contact us：Payment：We Accept Payment via Paypal. Use Paypal at Checkout to Pay with Credit or Debit. Delivery details：Free shipping from california within 1-2 business day.All orders and payments received before 4PM EST (1PM PST) will be shipped the same business day.No shipping on Weekends or US Public Holidays.No responsibility for any custom duty.We will ship your order to your PayPal Verified address provided.Please verify your address and make sure that it is your current address before making your payment. Any address change requests after your payment CANNOT be guaranteed.We do not include an invoice or any advertising materials with our shipments.Return and Refund Policy：(1). We stand behind our items and offer 30 days warranty. All items are in brand new condition unless specified otherwise elsewhere in the description.(2). All returns - defective or otherwise - have to be preauthorized. Please contact us to get an authorization and returning address before sending the item back.If an item is returned because of an undeliverable shipping address, buyer agrees to pay the cost for re-shipment. (3). Please note that If the return/replacement is not a result of our mistake (not defective or wrong item), the buyer is responsible for return shipping, as well as a 20 percent restocking fee. (4). Replacement or refund will be made upon receipt of the returned item. If you do not want to wait for the replacement, you can just reorder one and then send the first one back for a refund. Warranty：The warranty shall not apply to the following circumstances: a) Damage caused by undue ware&tear, misuse, improper installation or operation, neglect, accidents. b) Damage caused by natural disaters, flood, fire, lightning or pollution. c) If item was opened, any parts removed or repaired by any unauthorized person.Contact us：Please do not hesitate to CONTACT US. You can message 24/7 on eBay for all questions and inquiries. We will get back to you within 1-2 business days at the latest.We strive to provide the best products and services. If anything about your transaction did not meet expectations, please CONTACT US and give us the opportunity to make things right. We are always here to help.