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Our Equipment Water Quality Monitors TOC, COD, UV Absorption
The ORAKEL COD/TOC Sensor uses UV254 light as a surrogate measurement for detecting organics in water.
It is designed in modular form so that it can be integrated with other sensors, such as pH, turbidity and dissolved oxygen, to provide all the tools needed for either a stand-alone UV254 analyser or as part of an effluent discharge monitoring system.
The ORAKEL COD/TOC Sensor provides online continuous organics monitoring utilising a 254nm ultraviolet light source.
The ORAKEL COD/TOC Sensor uses UV254 light as a surrogate measurement for detecting organics in water. It is designed in modular form so that it can be integrated with other sensors, such as pH, turbidity and dissolved oxygen, to provide all the tools needed for either a stand-alone UV254 analyser or as part of an effluent discharge monitoring system.
The amount of light absorbed provides an ongoing indication of Natural Organic Matter (NOM) in a flowing sample. It serves as a continuous surrogate measurement for Total Organic Carbon (TOC), as well as other measurements such as Chemical Oxygen Demand (COD).
When using the transmission mode (UVT) the ORAKEL COD/TOC Sensor can be used to optimise the light level in UV disinfection equipment providing confidence in your disinfection whilst minimising power levels.
Once in absorbance mode (UVA), the instrument can be used to monitor the presence of organic matter (NOM). This can be used as a surrogate measurement for COD, BOD or TOC to give continuous indication and evidence of effluent quality and ensure that all effluent control requirements are met on any waste stream.
The ORAKEL COD/TOC Sensor can be combined with any other ORAKEL sensor such as pH, temperature, suspended solids, dissolved oxygen etc., to give a complete waste stream monitoring system at a fraction of the price of a true ‘online’ COD/TOC analyser.
UV254 is an established method for monitoring organic loads, as many organics absorb UV light at the 254nm wavelength. Measuring the amount of UV light absorbed, is used to monitor Natural Organic Matter (NOM). Monitoring NOM provides an early indication of unexpected events, giving you an opportunity to adjust your treatment.
The ORAKEL COD/TOC Sensor uses the most innovative technology on the market to avoid the common issues associated with using light absorption for waste water analysis.
The unique technology employed removes the UV lamp fluctuation, dirt and fouling issues associated
with many optical instruments, whilst also avoiding the added complexity, maintenance and expense seen in other instruments attempting to overcome the same issues.
The ORAKEL COD/TOC Sensor comes with built in turbidity compensation to ensure accurate, stable and reliable measurements.
Thanks to the multiple light path lengths available (2, 4 and 10mm), the ORAKEL COD/TOC Sensor is suitable for almost any waste stream and is capable of measuring a range of 0 – 6.5 UVA.
The modular design and wide UVA range makes it the most adaptable system available worldwide.
When coupled with the ORAKEL Control Unit, you get a system capable of automatic self-cleaning, automatic calibration/zeroing plus a wealth of process control and communications options.
0-100% UVT, 0-6.5 UVA.
0.1% UVT, 0.001 UVA.
2, 4 and 10mm.
Unique fouling compensation, quick and easy in-situ cleaning technology.
Automatic cleaning (optional).
Continuous detection of excessive fouling, lamp output and electrical fault.
Humidity sensor with large regeneratable desiccant system.
254nm (tolerance ±0.3).
Low pressure mercury UV lamp.
2 years (warranted).
16″(h) x 14″(w) x 8″(d).
IP65 (Nema 4X) wall mountable.
¼” tube compression in/out.
0° to 45°C (32° to 113°F).
-20° to 60°C (-4° to 140°F).
2 year limited warranty.
Automatic chemical cleaning.
Dual sample capability.
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.
The ORAKEL peracetic acid sensor is a membrane device which use no reagents. It is extremely stable and has a reduced maintenance and reduced whole life costs.
With its reduced maintenance, reduced calibration and reduced spares requirements, the ORAKEL peracetic acid sensor is arguably the most cost effective peracetic acid analyser available.
Particle counters are known for their ability to detect when a filter is reaching the end of its life. ORAKEL Particle Counters are sophisticated instruments suitable for municipal and industrial water treatment applications including filter performance monitoring, protecting RO membranes from colloidal fouling and corrosion product monitoring.
The ORAKEL System is ideal for all your water monitoring equipment needs, measuring both water flow and water quality at the same time. Created as a modular system, a wide range of water quality sensors can be added to measure various characteristics, such as pH, COD and suspended solids, for a truly bespoke and cost-effective solution.
Optical luminescent devices which are extremely resistant to abrasion, extremely stable, and have greatly reduced maintenance and whole life costs.
The ORAKEL Dissolved Oxygen sensor has no chemicals or moving parts. It is stable and reliable making it excellent for process controls and is suitable for all Dissolved Ovygen applications.
The ORAKEL Suspended Solids senor has a large dynamic range, which eliminates the need for a “zero” and also eliminates the effect of background light.
For multiple measuring ranges, the suspended solids sensor can monitor turbidity and suspended solids from 2 NTU (1mg/l) to 8%* solids.