规格

• Usage: Calibration of ORP is different from calibration of pH meter. It is a work to confirm whether the value when immersed in standard solution is within the standard range.
• There is no problem if the electrode tip is immersed in the standard solution and the value is within the range of 200~275 mV. If not, clean the electrodes with MA9016 or other electrode cleaning solution.
• Content: 230 mL