Calomel reference electrode

Reference Electrode RE-2B/RE-2C/RE-1C

002056 RE-2B Calomel reference electrode 002058 RE-1C Silver - silver chloride reference electrode
Hg2Cl2 + 2e = 2Hg + 2Cl-
E0 = 241 mV VS NHE (25 C)
AgCl + e = Ag+ + Cl-
E0 = 199 mV VS NHE (25 C)
RE-2B Calomel reference electrode and RE-1C Silver - silver chloride reference electrode have the same shape as RE-2C.