User Guide

RECOMMENDED pH ELECTRODES (All electrodes gel-filled and with ceramic

junction unless otherwise indicated).

HI 1090T Screw connector, external PG13.5 thread, double junction,

glass-body, polymer filled

HI 1210T Screw connector, external PG13.5 thread, double junction,

HI 1211T Ultem

-body; cloth junction (HI 1210T); Teflon

junction,

polymer-filled (HI 1211T)

HI 2910B/5 BNC connector, 5 m (16.5') cable, double junction, Ultem

HI 2911B/5 body with built-in amplifier and external thread; cloth junc-

tion (HI 2910B/5); Teflon

junction, polymer-filled (HI 2911B/

HI 1090B/5 BNC connector, 5 m (16.5') cable, double junction, glass-

body, polymer-filled

HI 1210B/5 BNC connector, 5 m (16.5') cable, double junction, Ultem

body, Teflon

junction, polymer-filled