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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.
Details
Hanna Instruments offers a wide variety of pH electrodes that are designed for many different applications. The type of glass used, body material, type of junction, type of reference and electrolyte used are just some of the design considerations.
Specifications
Body Material titanium
Reference double, Ag/AgCl
Junction / Flow Rate PTFE
Electrolyte polymer
Range pH: 0 to 13
Max Pressure 3.0 bar
Tip Shape flat
Diameter 14 mm
Body Length / Overall Length 110 mm / 150.5 mm
Recommended Operating Temperature 0 to 80°C (32 to 176°F) - GP
Temperature Sensor yes
Matching Pin no
Amplifier no
Digital no
Cable coaxial; 1 m (3.3’)
Connection BNC + phono
Applications boilers, cooling towers