ROSEMOUNT 3900-02-1099SQ10807, Sensor pH/ORP, General Purpose, No preamplifier, 15-ft. (5 m) cable) , General purpose low resistivity (GPLR) pH glass (0-14 pH), one-piece construction with both front facing and rear facing process threads. SQP10240-LQD:3900-02-10 WITH HIGH PH GLASS SQ# 10807B

Sensor pH/ORP, General Purpose, No preamplifier, 15-ft. (5 m) cable) , General purpose low resistivity (GPLR) pH glass (0-14 pH), 14 to 212 °F (-10 to 100 °C), automatic temperature compensation from 14 to 212 °F (-10 to 100 °C), one-piece construction with both front facing ¾-in. and 1-in. male national pipe thread (MNPT) AND rear facing 1-in. MNPT process threads. SQP10240-LQD:3900-02-10 WITH HIGH PH GLASS SQ# 10807B.

Features:
• pH/ORP sensor body features a one-piece construction with both front facing and rear facing process threads
• The pH sensors measure the hydrogen ion concentration and ORP probes instead measure the electron potential in the water.
• Extended pH sensor / ORP sensor life and protection against poisoning ions using a double junction reference
• ¾” and 1” MNPT process connections to meet a variety of application installation requirements
• Maximum chemical resistance provided by a rugged polyphenylene sulfide body
• The Rosemount 3900 and 3900VP pH/ORP combination sensors are used for reliable pH or oxidation reduction potential measurements of aqueous solutions in pipelines, open tanks, or ponds. Their robust designs allow the Rosemount 3900 and 3900VP sensors to be used in a wide range of applications