pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended 18901201 PH9.18 500mL 9.18pH, one bottle 500,00 Kč 18901217 12.88mS/cm 500mL Conductivity Solution, one bottle 940,00 Kč 1127-1L Chemsolute pH buffer with colour coding (20 °C), pH 7.00, green, 1L Price on request