 Features:
•Patented Plunger pH Electrode
•Concave or Flat Sensor Design
•Choice of High Temperature or High pH Measurement
•Patented Porous2 Teflon? Liquid Junctions
•Double Junction Reference Cell
•New Cast-In-Place Solid Reference Electrolyte
•Optional Integral Unity Gain Preamplifier
•New TOP68 Quick Disconnect
Cable
•New Capillary TC Design
•New Non-Metallic Solution
Ground
 Applications:
•Water and Wastewater Treatment
•Coagulation and Flocculation
•Process Monitoring and Control
•Pulp Stock Applications
•Ore Separation
Description:
The Model 22 process pH sensor
features the Plunger pH electrode design, which
permits 360? sensor mounting. The porous Teflon liquid junction
resists fouling and chemical attack. Double junction reference
cells increase the service life in applications containing sulfides
(H2S) and metals such as lead, mercury and silver. The new cast-in-place
solid reference electrolyte helps maintain a constant reference
cell potential by resisting dilution over time with pressure
and temperature changes. The new capillary temperature sensor
design places the Pt100 or Pt1000 TC behind the pH sensitive
membrane for accurate temperature compensation and measurement.
The TOP68 quick disconnect cable system provides ease of use
and the reliability of fixed cable. The IP68 environmental rating
protects the high impedance pH electrode signal from moisture
resulting from condensate build up in submersion pipes.
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