Ordering Information Model 396R pH/ORP Sensor Measuring electrode 10 pH–GPLR hemi glass bulb Sensor length 21 21 in. Titanium tube Temperature element 54 Pt-100(1) Cable options 3C For use with existing transmitter models Rosemount 56, 1056, 1057, 1066, and 5081. Also compatible with legacy transmitter models 54, 1054, 1055, 6081, 81, 2081, 3081, 4081, 2700, and XMT.