Caution
l.Please read the manual carefully before using the meter.
2.The glass electrode at the bottom of the pen is fragile, please use it carefully after taking off the protection cap. Any damage may cause the invalid of the electrode.
3.The duration period of the glass electrode is one year from the date of purchase whether you use it or not, please change the electrode in time.
4.The electrode can not be used under the dry condition, always soak the electrode into the distilled water or purified water for10 – 30 minutes to activate before use.
5.The meter is ready to be used after the model shows on the screen.