HI72911B – Titanium Body pH Electrode for Boilers and Cooling Towers with BNC + Phono Connector

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The HI72911B is a titanium body, polymer filled, double reference junction pH electrode with a BNC + phono connector. This flat tip sensing portion of this electrode is made with general purpose glass.

The HI72911B has a PTFE type junction along with a built-in temperature sensor. This design consideration is ideal for measuring the pH in boilers and cooling towers. The HI72911B is designed for use with Hanna’s HI98191 pH meter.

Unbreakable Titanium Body
Built-In Temperature Sensor for Automatic Temperature Compensation
Large Annular PTFE Junction with Increased Surface Area for the Reference Cell

Measurement Range	pH: 0 to 13
Reference Cell Type	double, Ag/AgCl
Junction Type/Flow Rate	PTFE
Type of Electrolyte	polymer
Body Material	titanium
Tip / Shape	flat
Matching Pin	no
Max. Pressure	3.0 bar
Temperature Operating Range	0 to 80°C (32 to 176°F) – GP
Body Length/Overall Length	110 mm / 150.5 mm
Temperature Sensor	yes
Outer Diameter	14 mm
Cable	coaxial; 1 m (3.3’)
Connector Type	BNC + phono
Amplifier	no
Recommended Use	boilers, cooling towers