$138.55 (as of 01/04/2018 09:28 PDT details )
Features:
- Proprietary ph. sensor technology and materials from Switzerland
- Special LabSen flat glass membrane, suitable for flat surface pH measurement such as skin, fabrics, paper, etc.
- Long life reference system, improving the stability of reference electrode and prolong the service life of the electrode
- Ptfe junction, hard to be contaminated
- 6 Month Warranty fulfilled by Apera Instruments