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CLX-Ex Residual Oxidant Monitor for Hazardous Atmospheres

CLX-Ex Residual Oxidant Monitor for Hazardous Atmospheres
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CLX-Ex Residual Oxidant Monitor is a rugged, safe, and low maintenance instrument for shipboard ballast water requiring continuous monitoring and control of residual Total Oxidant levels in hazardous atmospheres. User selectable cycle times, 4-20mA and RS-485 with Modbus output that can be used to control feed pumps and a user selectable alarm allow complete manual or automatic control of chlorine dosing.

NEW! Optional high range to 15 mg/l ± 10% accuracy

Optimized for marine applications

Designed for atmospheres where combustible fuel vapors may be present

Suitable for Class 1, Zone 1, and Zone 2 environments

Operates in ambient temperatures up to 55°C (131°F)

Certifications IECEx, CE

Low operating costs & long reagent life

Designed for unattended operation up to 90 days*

Colorimetric DPD chemistry

User-selectable cycle times

User-selectable alarms for sample concentration

Ballast water treatment, drinking water & wastewater applications

4-20mA and RS- 485 with Modbus output

USEPA accepted methodology

*Depending on sample cycle times and BWMS monthly operation times

Title Description Download
Ballast Water Online Chlorine Monitoring Solutions Product guide containing information on HF Scientific's Ballast Water Solutions. Download
Range 0 - 10 mg/l
Cycle time User selectable: 60 seconds - 10 minutes
Accuracy 0 - 6 mg/l - ±5% or 0.03 mg/l of CL2 whichever is greater
6 - 10 mg/l - ±10%
Resolution 0.01 mg/l
Method USEPA accepted DPD method of analysis for measuring Total Residual Oxidant
Standard outputs 4-20 mA and RS-485 with Modbus
User alarm User selectable alarm for sample concentration
Operating temperature 0° - 55°C (32° to 131°F)
Sample pressure 0.3 bar - 10.3 bar (5 - 150psi)
Air pressure 5.5 - 7 bar (80 - 101.5 psi)
Enclosure IP66
Power 240 VAC
Certifications CE, IECEx
Flow rate to waste 200 - 400 ml/min
Shipping dimensions 93cm x 62cm x 32cm (36.5" x 24.5" x 12.5")


Model Description
28031 CLX-Ex Residual Chlorine Monitor for Hazardous Environments 240 VAC for Total chlorine - complete with operator's manual. Reagents must be purchased separately.


Model Description
09950 Replacement tubing/cuvette kit
09991 Total Chlorine reagent kit for CLX-XT, CLX-Ex and CLX-Ex2 12 month supply (based on estimated BWTS operational cycles)
25018S Flow through cuvette (replacement)

Service & Repairs

Please request a Return Material Authorization(RMA) number before sending an instrument in for repair.

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Disclaimer: HF scientific product specificatons are provided for reference only. HF scientific reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on HF scientific products previously or subsequently sold.