Micro pH Combination Electrode Glass. Requires only 0.5uL of sample. Immersion depth: 1mm. With filling solution and pipet. Ranges: 0 to 14pH -5 to 100[degree]C. Length: 120mm. Diameter: 6mm. Tip diameter: 1.3mm. Tip length: 37mm. 1m lead length. Ag/AgCl