They are suit for soil and seawater engineering, fully consistent with the national standard GB / T7387-1999 " The Technology Of Marine Reference Electrode " requirements
Characteristics
They have porous ceramic test head, which can decreased soil impedance and be easily
inserted in soil
Suit for soil and aqueous solution
Best reliability
Easily schlep and use
Clarity window makes you become conscious of the liquor remainder
Kinds of ceramic test heads