Barben Analyzer Technology is proudly produces the PDO2 optical dissolved oxygen sensor to provide you the unequalled performance by any other dissolved oxygen sensor. Designed for simplicity, but made for durability to match your demanding require-ments while also providing you the flexibility to meet your application needs.

Perfect to use in the following area’s: - Wastewater Treatment Facilities - Water Treatment Facilities - Petrochemical/Chemical Plants - Aquatic Tanks or Pools - Paper & Pulp Industry - Inline Measurement - Water Monitoring - Fish Hatcheries

� No Membranes to Replace � No Consumables � No Electrolyte to Replace � No Flow Necessary � Polypropylene Body � Not Damaged by Sunlight � Electronics Completely Sealed � Fast, Dependable Readings � Multiple Measurement � Optical Isolation provides Optimum Performance in Sunlight

Reduce your Maintenance and Increase your Reliability!

PDO2 Precision Dissolved Oxygen Measurement

For Municipal and Industrial Waste Water Treatment Fluorescent Dissolved Oxygen Monitoring System Designed for use in the Harshest Environments

Process Control Services Pty Ltd, ABN 22 054 111 018 Ph: Brisbane (07) 3299 7881, Melbourne (03) 9859 0157, Sydney (02) 9319 1808, Auckland (09) 525 3425

eMail sales@pcspl.com.au, Web www.pcspl.com.au

How Dynamic Quenching of Luminescence Works The principle of measurement is based on the effect of dynamic luminescence quenching by molecular oxygen. The following scheme explains the principle of dynamic luminescence quenching by oxygen.

Principle of dynamic quenching of luminescence by molecular oxygen (1) Luminescence process in absence of oxygen (2) Deactivation of the luminescent indicator molecule by molecular oxygen

The collision between the luminophore in its excited state and the quencher (oxygen) results in radiation-less deactivation and is called collisional or dynamic quenching. After collision, energy transfer takes place from the excited indicator molecule to oxygen which consequently is transferred from its ground state (triplet state) to its excited singlet state. As a result, the indicator molecule does not emit lumines-cence and the measurable luminescence signal decreases. A relation exists between the oxygen con-centration in the sample and the luminescence intensity as well as the luminescence lifetime.

Process Control Services Pty Ltd, ABN 22 054 111 018 Ph: Brisbane (07) 3299 7881, Melbourne (03) 9859 0157, Sydney (02) 9319 1808, Auckland (09) 525 3425

eMail sales@pcspl.com.au, Web www.pcspl.com.au

Specifications:

1401-M Transmitter

Main Power 110/ 230 Vac; 50/60 Hz Main Power 24 Vdc (50 mA)

Power Consumption 11 VA Power Consumption 0.6 W (Nom) 1W (Startup)

Display 120 x 32 Pixels Measuring Range 0.05 - 20.00 mg/l

Back light Programmable Operating Range -10 to 70 C

Measurement Range 0 - 10 mg/l (Adjustable) Response Time t90 <30s (Air to Nitrogen)

Inputs (2) Sensor/Temperature Accuracy +/- 2% @ 25C

Outputs 4 - 20 mA/Relay x 2 Detection Limit 0.05 mg/l

Operating Range -15 to 65C Pressure Range 170 PSI/12 Bar

Excitation 24 Vdc (50 mA) Detection Method Fluorescent Quenching

Rating NEMA 4X (IP-65) Body Material Polypropylene or Kynar

PDO2 Sensor

PDO2 Dissolved Oxygen Probe Options and Accessories

Process Control Services Pty Ltd, ABN 22 054 111 018 Ph: Brisbane (07) 3299 7881, Melbourne (03) 9859 0157, Sydney (02) 9319 1808, Auckland (09) 525 3425

eMail sales@pcspl.com.au, Web www.pcspl.com.au

Cleaning Nozzle

Probe Held in Position by 40mm (1.1/2”) Pipe

Bracket for Rail Mounting

Slip on Cap for Easy removal and insertion of probe

PVC Weather Shield, Rail Mount Stand and Air Blast Cleaning Kit

(3 Bar Air Supply)

Automatic Cleaning System & Mounting Accessories

Maintains a clean sensor surface to eliminate the need for routine cleaning. Uses 3 to 5 Bar Air Supply. Air blast frequency configurable in electronics. Solenoid operate by relay in electronics unit. System includes small receiver to ensure full impact of blast is not affected by long lengths of air line.

Air Blast Line Follows probe cable

ARC Wireless Handheld Communicator and Calibrator

� Collect data on sensor history, quality and performance.

� Easy in field calibration or configuration.

� Generate system configuration reports.

� Generate performance reports.

� Simplify service and QA functions.

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