• A heavy duty pH and/or redox probe for flow-through mounting in difficult applications.
• Wide choice of combination of electrodes
• Simple calibration
• Electrodes are simple to remove, replace and calibrate

8340 pH Probe Data Sheet
8360 pH Probe Data Sheet

• A pH probe ideally suited for measurement in demineralized water or power generation applications.
• Specially designed and tested for ultra pure water applications
• Easy installation, maintenance and calibration
• Pt100 and 3 meters of cable included

8362 Pure Water pH Probe Data Sheet

• pH probes for the food and drink industry, reactors in bio-technology, on-line process measurement etc.
• Biologically safe
• Model 8380 is retractable
• Compact and easy to handle
• All wetted parts are stainless steel
• Mounting on a standard bushing to be welded to pipe or tank

8370 Insertion pH Probe Data Sheet
8380 Insertion pH Probe Data Sheet

• Electrode cleaning systems are available using a variety of methods according to the nature of the electrode and contaminant.
• The Model 8540 mechanical cleaning system uses a ring-shaped small brush or silicone rubber membrane attached to an up and down moving shaft which is periodically activated by a programmable timer.
• In the air or water cleaning system an IP65 electrovalve, which can be supplied with either air or water, is installed between the transmitter and the electrode or sensor.
• For the chemical cleaning system, a twin-chamber hose pump delivers measured volumes of a cleaning fluid via a nozzle mounted immediately below the tip of the electrode or sensor.

8540 / 8544 Mechanical/Checmical CLeaning Accessory Data Sheet

The POLYMETRON 9120 dual channel conductivity transmitter is part of a range of on-line water chemistry analyzers designed for the power industry.

The 9120 is designed to fulfill the needs of many water analysis applications including the industrial, pure and ultra pure water analysis, steam generation, electricity production, semiconductors and life sciences.

• Familiar menu configuration
• Broad choice of versions to best fit your needs
• Complete set of tools for process tracking:
  • Standard 0/4-20 mA output
  • RS485 and Profibus DP digital outputs
  • 4 configurable alarm relays with averaging, temporization and hysteresis functions

9120 Dual Chennel Transmitter Data Sheet

• A single channel transmitter for glass and antimony pH electrodes, or redox measurement.
• Simple to use with large graphic display and easy programming
• Auto diagnostics - true measurement of electrode impedance
• Wide choice of temperature compensations
• Auto calibration in standard buffers
• 0 to 20mA or 4 to 20mA outputs
• Bi-directional proportional controller - pulse contact or frequency output

9135 Transmitter Data Sheet