pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended HI1043B Refillable Double Junction pH Electrode Price on request SE300 Double junction orp platinum electrode SE300 Price on request 1127-1L Chemsolute pH buffer with colour coding (20 °C), pH 7.00, green, 1L Price on request