YOKOGAWA DO72 Instruction Manual Download Page 23

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IM12J06J02-00EN-P

9. CHEMICAL COMPATIBILITY

Remark on Oxygen Exchange Cap membrane compatibility:

Compatibility

Aqueous solutions, ethanol, methanol

No cross-sensitivity to

pH 1 – 14, CO2, H2S, SO2, ionic species

Cross-sensitivity to

Chlorine gas Organic solvents such as pure

acetone, toluene, chloroform or methylene

chloride

Summary of Contents for DO72

Page 1: ...Instruction Manual Model DO72 Optical Dissolved Oxygen Sensor IM12J06J02 00EN P 4th edition...

Page 2: ...hereafter simply referred to as YOKOGAWA when replacing parts or consumables Modification of the product is strictly prohibited The following safety symbols are used on the product as well as in this...

Page 3: ...se but rather to describe the functional details of the product No part of the Instruction manuals may be transferred or reproduced without prior written consent from YOKOGAWA YOKOGAWA reserves the ri...

Page 4: ...ental conditions 8 2 7 Regulatory compliance 9 3 INSTALLATION OF DO72 10 3 1 Installation in sensor holder 10 3 1 Preparing the sensor for use 10 3 2 Mounting the sensor 10 4 DIMENSIONS 14 5 WIRING 15...

Page 5: ...products and parts are guaranteed free from defects in work manship and material under normal use and service for a period of typically 12 months from the date of shipment from the manufacturer Indivi...

Page 6: ...ction Year code Year Year code Year Year code 2014 P 2026 3 2015 R 2027 4 2016 S 2028 5 2017 T 2029 6 2018 U 2030 7 2019 V 2031 8 2020 W 2032 9 2021 X 2033 A 2022 Y 2034 B 2023 Z 2035 C 2024 1 2036 D...

Page 7: ...4 m OEC sealings material O ring EPDM OEC sealing dimensions mm inch ID 9x1 0 35x0 03 Shaft sealing mm inch ID 11x3 0 43x0 11 Housing size LxDiam 120x12 mm 4 17x0 47 Weight Min 100g 0 22 lbs Sensor m...

Page 8: ...g lbs 147 0 32 g lbs 2 6 Environmental conditions Storage temperature 10 to 70 C 14 to 158 F 4 Ingress protection IP X8 according EN 60529 1991 A1 2000 A2 2013 O ring of OEC must be replaced once a y...

Page 9: ...ndards NEN EN IEC 61010 1 2010 A1 2019 NEN EN IEC 61010 2 030 2010 C1 2011 RoHS2 Directive 2015 863 EU Commission Delegated Directive EU 2015 863 amending Annex II as regards the list of restricted su...

Page 10: ...tical floating ball holder see Fig 3 For mounting the sensor into the FF20 and FF40 flow fitting use sensor adapter as described in figure 5 6 and 7 3 1 Preparing the sensor for use Make sure that the...

Page 11: ...4 Adapter for installing DO72 into submersible and floating ball holder Optical dissolved oxygen sensor DOX8HS Submersion type holder Place an O ring here Adaptor for submersible type holder Adaptor...

Page 12: ...Figure 5 DO72 installation in Yokogawa FF20 fitting6 using the adapter K1520JN K1500DV or K1520JP Adapter K1520JN K1500DV K1520JP IM12J06J02 00EN P 12...

Page 13: ...n FF40 FS40 fitting6 using the adapter K1520JN K1500DV or K1520JP Figure 7 DO72 Installation in SC4A SS flow fitting6 using the adapter K1523JB K1523JD Adapter K1520JN K1500DV K1520JP Adapter K1523JB...

Page 14: ...4 DIMENSIONS Fig 8 Dimensions DO72 in mm IM12J06J02 00EN P 14...

Page 15: ...ssignment for DO72 dissolved oxygen sensor Table 3 Pin terminal wiring numbering Fig 9 Connection diagram WU10 V D left and DO72 sensor wiring details from FLXA402 manual right Wire Pin no VP pin Wire...

Page 16: ...d in a fitting which is connected to the protective ground then the connection to the ground will be established via the PG 13 5 stainless steel fitting see Fig 11 If the DO72 is installed in a tank w...

Page 17: ...ves sel Due to a chemical reaction of oxygen with the Na2SO3 the water becomes oxygen free Additional oxygen diffusing from air into the water is removed by surplus Na2SO3 Close the vessel with the s...

Page 18: ...se a commercially avail able test gas N2 5 0 Lead the gas into a vessel filled with dis tilled water before introducing it in the calibration chamber or a flow through cell with installed DO72 Then fo...

Page 19: ...utral detergent to the oxygen exchange cap so it can be easi er to remove the dirt Wash the oxygen exchange cap with clean water Before every calibration check that the oxygen exchange cap is not loos...

Page 20: ...Fig 16 Example of Final inspection protocol 20 IM12J06J02 00EN P...

Page 21: ...nt on range type Model Suffix code Option code Description DO72 Optical Dissolved Oxygen sensor Range T Trace range 0 2 mg L W Wide range 0 22 5 mg L Insert length 120 120 mm Type AA General purpose C...

Page 22: ...SLIDE RING 1PC K1523JA Adapters Adapter Pg13 5 in F 40 PPO K1523JC Adapter Pg13 5 in F 40 SS K1520JN Adapter M25x1 5 PG13 5 PVC K1520JP Adapter M25x1 5 PG13 5 RVS K1500DV Adapter M25x1 5 PG13 5 PVDF...

Page 23: ...gen Exchange Cap membrane compatibility Compatibility Aqueous solutions ethanol methanol No cross sensitivity to pH 1 14 CO2 H2S SO2 ionic species Cross sensitivity to Chlorine gas Organic solvents su...

Page 24: ...Subject to change without notice Copyright Printed in The Netherlands 04 2212 IM12J06J02 00EN P...