Based on more than 15 years of industrial experience, the analyzers are state-of-the-art water monitoring systems specially designed to provide high reliability, low operating cost and a small footprint.

Ultra-Violet (UV) spectroscopy, the most reliable and stable method, is used to analyse the specific parameters ammonia, COD, hydrocarbons, nitrate, Chlorophyll a and fluorescent tracers.

Optical methods are also used for turbidity and color while electrodes are used for pH, dissolved oxygen and conductivity.

Based on a modular design, these analyzers can be configured to analyse many parameters for complex water chemistry. The CX1000 is the ideal instrument for many industrial applications such as:

 - Water treatment plants
 - Industrial effluents monitoring
 - River monitoring
 - Chemical, oil and food industries

The standard methods are based on traditional and well-known chemical methods that are convenient for laboratory use but not applicable for on-line analysis.

The automation of such methods lead to complex systems that require high maintenance, provide poor reliability and often involve costly and dangerous reagents. Also, the Measurement time is generally not compatible with process control.

For these reasons, the CX1000 uses optical methods for the specific parameters ammonia, COD, hydrocarbons, nitrate, Chlorophyll a, fluorescent tracers, color and turbidity, for stable, fast and reliable measurements.

Unlike electrode-based systems, you need not fear calibration drift, limited equipment lifetime, or the use of costly standard solutions.

On some applications, the results on our analyzers can be more accurate than those obtained by standard colorimetric methods that are subject to many interferences; a good example is chloride for nitrate and COD analysis.

The touch screen human interface comes in several languages, including many Asian languages, that can be selected by the user.

Thanks to large bore tubing and a German-patented inlet electric-valve with pivoting armature, unfiltered water can be admitted into the CX1000 with very low risk of clogging.

This reduces significantly the initial cost of the measuring system and especially the maintenance.

A double-wavelength measuring system compensates for the effects of turbidity and suspended solids on COD, nitrate, hydrocarbon, chlorophyll a, fluorescent tracer and color measurement.

Since the measurement of Ammonia is done in the gaseous phase, it is completely insensitive to turbidity, color or suspended solids in the sample.

The UV Xenon lamp is specified for 10E9 flashes, giving many years of operation even with per-minute measurements.

This considerably reduces maintenance issues, and the risk of erroneous measurements either from ageing lamps or the lamp replacement procedure itself.

An optional built-in peristaltic pump can be added to take samples directly from river, reservoir or open pipe with a maximum pumping height of 6 meters.

A stainer prevents large suspended solids from entering the analyzer.

A discontinuous pumping operation results in increased tubing lifetime.

The easy-to-load pump head facilitates tubing replacement.

4-20 mA: Process systems or SCADA
Relay: Alarm, valve, pump
RS232: Laptop, modem
RS485: MODBUS network

A variety of data links is available to easily interconnect the CX1000 to other process control elements: dozing pumps, valves, alarm, PLC, SCADA, laptop, modem and phone systems.

All the measurements logged over a few weeks can be downloaded with the RS232 module using Hyperterminal of Microsoft Windows‚ on any laptop. No specific software is required.

The data is compatible with standard worksheets such as Microsoft Excel‚ for graphing, printing or archiving.

The CX1000 can be configured with specific inputs for the connection of standard electrodes for pH, dissolved oxygen and conductivity with 100 Ohm or 1000 Ohm Pt RTD for automatic temperature compensation. A range of 3/4” NPT industrial electrodes can also be provided with the CX1000 controller.

The self-cleaning flat pH electrode prevents building of solids reducing maintenance needs.

Menu-driven functions for calibration greatly ease the operator's task.

Using a high power infra-red light-emitting diode (LED) for sensitivity and stability, the low-range probe is specially designed for a range from 0.01 to 100 NTU.

Operating at 880 nm and detecting the scattered light at 90º, the probe meets the ISO 7027 criteria.

The high range is obtained by using the reference photodiode of absorbance measurement.

The CX1000 can be adapted for the measurement of any UV or visible absorbent chemical by selecting the appropriate optical filters.

The most common are the yellow color of water in platinum unit, hexavalent chromium or chromate, and chlorine for high concentration.

Ranges:

Color: Low range: 0 – 100 Pt-Co unit; High range: 0 – 1000 Pt-Co unit

Chromate: Low range: 0 – 25 mg/l; High range: 0 – 250 mg/l

Chlorine: Low range: 0 – 500 mg/l; High range: 0 – 5000 mg/l

A 4-20mA, 2-wire submerged level probe can be connected directly on the 4-20 mA input.

The level can be converted in flow on a calibrated open channel using the formula F=k1 Lk2.

K1 and K2 must be entered in the CX1000 to display the flow F given by a level L.

Other probes can also be connected using the 4-20mA input: ultrasonic, bubbler or area velocity.

Sample temperature	0 – 80 ºC, avoid frozen absolutely 5 ºC to ambient temperature max. for ammonia only (absolutely)
Sample pressure	0 – 5 bar  0 – 1 bar only with peristaltic pump
Sample flow	0 – 5 l/mn, typical 0.5 l/mn
Analog output	4-20 mA opto-isolated, 12-bit resolution, 500 Ohm max, active
Alarm output	4 relay contacts NO, programmable, with hysteresis band and delay
Communication	RS232 - No specific software required, data compatible with Excel RS485 - MODBUS protocol
Display	240 x 128 pixels LCD with backlight
Power supply	110-130 V or 220-240 V / 30 VA / 50-60Hz - Internal voltage selector 12 V to 15 V DC, 3 A
Operating limits	0 to 50ºC
CE standards	Electromagnetic compatibility EN50081-2, EN50082-2, EN55011
Enclosure	Coated steel
Dimensions	500 x 300 x 200 mm (HxWxD)
Weight	18 kg (+18 kg for ammonia compartment)

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