[DETAIL] Pen pH EC ORP Calibration Buffer Solution Redox Potential Pen Calibration Fluid Standard Solution Product name: calibration fluid Three specifications: 84us/cm, 1413us/cm, 12.88ms/cm, 25ml per bottle The calibration solution can be reused provided that it is not contaminated. The shelf life is about 6 months. Usage: clean the conductivity meter electrode with purified water (2-3 times), dip the electrode into the calibration solution, and adjust the conductivity of the instrument to the same value as the calibration solution. When buying dear friends, be sure to choose the type of calibration fluid according to the electrode and instrument Packing list: 1 x calibration fluid FAQ NOTE The product is multi-linked, please choose the product you need before placing the order Multiple Colors Available [ATTRIBUTES] - Hign-concerned Chemical: None - Is Smart Device: No - Model Number: TPH01629-1 - Hign-concerned Chemical: None - Is Smart Device: No - Model Number: TPH01629-1 - With Backlight Or Not: No - Display Type: analog - Name: RCYAGO - Origin: Mainland China - Certification: CE - ph Calibration Buffer Solution: 4.00 and 6.86 and 9.18 - Electrical conductivity: 12.88ms and 84us and 1413us