HI 1144B Refillable, Combination pH Electrode with Calomel References BNC Connection Refillable, combination pH electrode with calomel references for use with tris buffer. Read More »

HI 1143B Refillable, Combination pH Electrode for Fluoride Applications BNC Connection Refillable, combination pH electrode for samples with fluoride (max 2 g/L @ pH 2 and temperature < 60°C) Read More »

HI 1135B Refillable, Combination pH Electrode, Side Arm Construction Refillable, combination pH electrode side arm construction & fast flow rate, for use on continuous monitoring with remote filing Read More »

HI 1131P Refillable, Combination pH Electrode for the Laboratory and Beer Testing BNC + pin Connection Refillable, combination pH electrode for general laboratory purposes as well as beer testing. Read More »

HI 1131B Refillable, Combination pH Electrode for the Laboratory and Beer Testing BNC Connection Refillable, combination pH electrode for general laboratory purposes as well as beer testing. Read More »

HI 1053B Combination pH Electrode, Refillable w/ Conical Tip BNC Connection Combination pH Electrode, Refillable w/ Conical Tip.  Recommended for use with fats and creams, soil samples, potable water, semi solid products, low conductivity solutions, emulsions. Read More »