A glass bodied micro elecrode with a 4.5mm diameter tip. Ideal for the measurement of small samples in Eppendorf tubes or small containers. Not suitable for Tris Buffers. Small diameter stem still retains a degree of robustness not present on 3.5 or 3.7mm electrodes.

• Body 120mm diameter (top) and 6mm diameter for bottom 40mm.
• Tough glass bulb and ceramic frit reference junctionpH range 0-14
• Temperature range 0-80º C
• Supplied with 1 metre cable and BNC connector.
• Refillable with 4 Molar KCl/Sat. AgCl