pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended MA920B/1 Combined pH electrode MA920B/1 Price on request SE220 Double junction pH electrode SE220 Price on request 1580-500ML CHEMSOLUTE ready-to-use conductivity sol. 12880 µS/cm, 500ml (THG) Price on request