Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI1043B Refillable Double Junction pH Electrode Price on request 1127-1L Chemsolute pH buffer with colour coding (20 °C), pH 7.00, green, 1L Price on request MA911B/2 Double junction pH electrode MA911B/2 Price on request