pH Electrode with Unique Structure and Resistivity to Pollution, for Industry PH Meter - 13-ASP2205 Adoption of the most advanced Teflon diaphragm with large ring section make the electrode with stable liquid junction Electrode response sensitively (Pt ring) The reference system...

ORP Electrode with Quick Response (Pt Ring), for Laboratory ORP Meter Use Model Number:02 - ASR2801 ASR2801 combination ORP electrode is produced for laboratory use Quick response (Pt ring) The reference system is filled with gel, convenient to use; no need to refill KCL solution...