Water analyzer PH010

pHportableautomatic

LCD Display House Drink Water Quality Analyzer PH Water Test Pen Based on the old model PH water test pen ,the new model changed the switch, add automatic Startup & Shutdown function, and program optimization, etc. For example, switch from the previous horizontal push and pull, make it directly up and down button way, more conveniently to use for customers Put the electrode into a mixed phosphate standard buffer of pH 6.86 (25 ° C) and stir gently until value is stable. Adjust the calibration potentiometer with a small screwdriver until the display value matches the pH value of the standard buffer solution at nomal temperature. The electrode is inserted into a standard buffer solution of borax with potassium hydrogen phosphate at pH4.01. The display value should be within the allowable error range when compared to the pH of the buffer solution. 12 months Manufacturer’s limited Warranty for defective items (excluding items damaged and/or misused after receipt).Accessories come with a 3-month warranty. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number.