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Product Details

ORAKEL CHLORINE SENSOR

The ORAKEL range of Residual Chlorine Analysers, Residual Chlorine Controllers and Residual Chlorine Monitors are membrane devices which are insensitive to changing pH, use no reagents, are extremely stable, and have reduced maintenance and reduced whole life costs.

The membraned amperometric chlorine sensors are enhanced with a third, reference electrode which eliminates zero drift. Its unique design means that pH correction is not usually required at all, completely eliminating reagents.

In addition to the state of the art potentiostatic chrono-amperometric free chlorine and total chlorine sensors, the ORAKEL range of residual chlorine analysers has all the functionality that you need, and more.

ORAKEL CHLORINE SENSOR APPLICATIONS
The ORAKEL Chlorine Sensor range is particularly suited to working in sites where reliability and ease of use are most important.

Chlorine Sensor Options
• Free Chlorine
• Total Chlorine
• Free Chlorine 'zero'

Water Treatment Applications
• Chlorine Dosing
• Paper Mills
• Cooling Towers
• Remote Sites
• Food Preparation
• Secondary Chlorination

The ORAKEL Chlorine sensor can be installed in a variety of auxiliary flow cells and self-cleaning devices.

ORAKEL CHLORINE SENSOR TECHNICAL SPECIFICATION

Type	Membrane covered potentiostatic chronoamperometric three-electrode system
Measurement	Total chlorine or free chlorine
Range	0.01-2mg/l, 0.01-5mg/l, 0.01-10mg/l, 0.01-20mg/l and 0.5-200mg/l (free only).
Resolution	0.01mg/l (ppm) (0.1 on 0-200mg/l ranges).
Reproducibility	Better than ±0.05mg/l.
Stability	-1% per month (without calibration). Working electrode: gold. Counter electrode: stainless steel. Reference electrode: silver/silver halide
Membrane Material	Membrane Material.
Flow Rate	Approximately 0.5l/minute (minimum 0.25l/minute).
Temperature Range	0 to <45°C.
Temperature Compensation	Automatically by an integrated thermistor.
pH Range	pH 4 up to pH 9.
First Polarisation Time	2 hours.
Re-Polarisation Time	30 minutes.
Response Time	T90: approximately 120 seconds.
Zero-Point Adjustment	Not necessary.
Calibration	Manual using electrochemical test kit or DPD test kit.
Housing Material	PVC, silicone and polycarbonate stainless steel.
Dimensions	Diameter: approximately 25mm. Length: 175mm.
Maintenance Intervals	Membrane: once a year (depending on water quality). Electrolyte: once a year (depending on water quality).
Interferences	High levels of other oxidants such as Ozone and Chlorine Dioxide