Burkert – Type 8232 Chlorine Sensor

Chlorine sensor

The 8232 from Bürkert is an electrochemical sensor for measuring the free or total chlorine content of an inorganic source (chlorine gas, sodium hypochlorite solution, …). Four variants of Type 8232 are available

type 8232

• Burkert - Type 8619 multiCELL Multi Channel and Multi Function Transmitter / Controller
• Burkert - Type 8200 - Armatures for Analysis Sensors

General Technical Data

Product properties
Material
Membrane	Microporous hydrophilic
Other	PVC-U, stainless steel 1.4571, PEEK Detailed information can be found in chapter “Free chlorine sensor “Trace” (zero-chlorine) with membrane cap M48.2” on page 7.
Dimensions	Detailed information can be found in chapter “3. Dimensions” on page 9.
Weight	Approx. 125 g
Compatibility	With probe holder Type 8200 version analytical measuring chamber Detailed information can be found in the data sheet of the armatures for analytical probe, see data sheet Type 8200 .
Measured variable	Free chlorine
Application	For monitoring absence of chlorine in reverse osmosis systems1.) (ze-ro-chlorine)
Measuring principle	amperometric potentio-static 3-electrode system with electronic inside (completely galvanically isolated, digital internal data processing)
Electrolyte	EMST1 gel
Measuring range	0.005…2 ppm
Zero point adjust-ment	Not necessary
Cross sensitivities/Interferences	• ClO2, O3 influence the signal strongly. • High concentrations of bound chlorine can increase the measured value. • Corrosion inhibitors, Stabilisers for water hardness can lead to measuring errors. • Reducing agents can lead to a loss in slope.
Temperature com-pensation	Automatic (integrated temperature sensor) Sudden temperature changes must be avoided.
Maintenance2.) Control of the meas-uring signal Change of the mem-brane cap Change of the elec-trolyte	Min. once a week recom-mended Once a year recommend-ed Every 3…6 months rec-ommended
Product accessories Membrane cap	M48.2 with intern holder (G-holder)
Chlorination agents	Inorganic chlorine compounds: • NaOCl (sodium hy-pochlorite) • Ca(OCl)2 • Chlorine gas • Electrolytically gener-ated chlorine
Drift	Approx. – 3 % per month, in reference conditions (25 °C, pH 7.2 in drinking water)
Electrical data
Operating voltage	• 9…30 V DC, filtered and regulated (other-wise the probe may be damaged) • The power supply is galvanically isolated inside of the sensor.
Current consump-tion	Approx. 56…20 mA
Outputs	• Analog signal • 0…2000 mV (max. 2500 mV) • Galvanically insulated, that means poten-tial-free • Output resistance: 1 kΩ
Medium data
Fluid	Water with similar charac-teristics to drinking water
Fluid flow rate	15…30 l/h mounted in analytical measurement chamber 8200, the measuring value depends on the flow rate (ensure constant flow rate)
Fluid pH range	pH 6.5…pH 9 Detailed information can be found in chapter “Slope versus pH” on page 9.
Fluid temperature	0…+ 40 °C (+ 32…+ 104 °F)
Fluid pressure	Max. 0.5 bar (7.26 PSI), operation with or without retaining ring, no pressure drops and/or vibrations
Process/Port connection & communication
Process connection	With probe holder Type 8200, see data sheet Type 8200 .
Electrical connection	Electrical connection 4 pin fixed hermaphroditic connector
Environment and installation
Operation	0…+ 55 °C (+ 32…+ 131 °F)
Storage	• Probe: unlimited time at + 5…+ 40 °C (+ 41…+ 104 °F), frost protected, dry and without electrolyte • Membrane cap: – in original packing unlimited time at + 5…+ 40 °C (+ 41…+ 104 °F) – used membrane caps cannot be stored • Electrolyte: + 5…+ 35 °C (+ 41…+ 95 °F), 1 year or until the specified expiry date in original bottle protected from sunlight
Transport	+ 5…+ 50 °C (+ 41…+ 122 °F) (mem-brane cap, electrolyte, probe)
Relative air humidity	≤ 90 %, without condensation
Height above sea level	Max. 2000 m
Degree of protection according to  IEC/EN 60529	IP65 with cable plug mounted and tightened

*For selecting thecorrect product please refer to the technical data, images and notes for proper use according to the data sheet, or contact Flu-Tech directly.

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