Microelectrode Holder (MPH4)Features 2. 0mm Pressure Port Screw Cap Options Order code Size MPH410 1. 0 mm MPH412 1. 2 mm MPH415 1. 5 mm MPH420 2. 0 mm Details WPIs microelectrode holder half cells couple fluid filled glass micropipettes to high input impedance amplifiers. A Ag AgCl pellet (or a silver wire) molded into the holder body provides stable potential. Electrical connection is made via male 2 mm pins or female 2 mm sockets. The pipette may be mounted axially or at