Senect O2S-20-SC Manual Download Page 3

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Table of contents

Product type .................................................................................. 2

Table of contents ........................................................................... 3

General Security Notes .................................................................. 5

Intended use .................................................................................. 7

Getting started .............................................................................. 8

Getting started – Short version ................................................... 11

Maintenance and cleaning .......................................................... 12

Cleaning ................................................................................... 12

Sensor disinfection .................................................................. 12

Recalibration ........................................................................... 13

Oxygen signal: 1-Point-calibration .......................................... 15

Short-version: Oxygen signal: 1-Point-calibration ................... 17

Oxygen signal: 2-Point-Calibration .......................................... 17

Temperature: 2-Point-Calibration ........................................... 18

Sensor Error ............................................................................. 19

Salinity / Conductivity correction ............................................ 20

Technical data ............................................................................. 22

Information about the correct disposal ...................................... 23

Guarantee .................................................................................... 24

Summary of Contents for O2S-20-SC

Page 1: ...Oxygen Sensor O2S Manual...

Page 2: ...ECT GmbH Co KG An 44 No 11 76829 Landau Germany Important note Please read this manual carefully and store it so that you can use it later Read the warning and safety notes attentive Further informati...

Page 3: ...Maintenance and cleaning 12 Cleaning 12 Sensor disinfection 12 Recalibration 13 Oxygen signal 1 Point calibration 15 Short version Oxygen signal 1 Point calibration 17 Oxygen signal 2 Point Calibratio...

Page 4: ...RNING Warning of possible life threatening and or severe irreversible injuries ATTENTION Warning of possible medium or slight injury ATTENTION Follow the notes to avoid damage of equipment NOTE Furthe...

Page 5: ...ure that all cables are installed safely so that no obstacles for persons are built and all Mount all cables and electric devices protected against direct environmental impacts like overheating by dir...

Page 6: ...by children of the age of at least 8 years and persons with limited physical sensorial or cognitive ability if they are supervised and trained in the usage of the instrument so that no dangers or thre...

Page 7: ...s or 0 to 20 mg O2 l at temperatures between 0 C and 40 C The sensor measures the saturation concentration based on the principle of luminescence quenching with a resolution of 1 a s or 0 1 mg l and t...

Page 8: ...14 days Unfortunately we cannot accept later information of damage which happened during the transport Installation and start up Choose a place for the electronic interface of the O2S which is clean...

Page 9: ...ing on a float or completely submerged Fig 1 Mounting possibilities of the sensor Please consider when selecting the mounting location that in surface waters like fish ponds the solar radiation can le...

Page 10: ...fers protection cages Connect the blue marked plug of the sensor with a sensor input port also blue marked of your control unit The SENECT control units recognize the sensor itself and start automatic...

Page 11: ...or aquaculture typical environmental conditions after 6 months Getting started Short version 1 Mount the sensor submerged 2 Mount the black electronic interface at a protected location 3 Connect the s...

Page 12: ...ration of the biofilm and not of the surrounding water Cleaning The sensor should be cleaned regularly by wiping with a soft water dipped paper towel or a cotton swab without cleaning agents Avoid the...

Page 13: ...itions the sensor must be recalibrated more frequently to guarantee precise measurements Please check regularly the oxygen reading of the sensor when it is placed in humid air Since the florescent mem...

Page 14: ...a s 0 a s 100 a s Factory settings Temperature Calibration Point 1 Calibration Point 2 Information Info to SENECT Alarm Threshold Lower Threshold O2 Upper Threshold O2 Hysteresis O2 Lower Threshold C...

Page 15: ...ted air and ensure that there are no water drops on the membrane Select in the menu Sensors the oxygen sensor O2S and choose Sensor calibration O2 a s Select 100 a s Calibration Point 2 to take up the...

Page 16: ...naccuracies can be created by The air is injected with a pressure exceeding atmospheric pressure Therefore the partial pressure of O2 can also be slightly increased The exact timing when 100 saturatio...

Page 17: ...n air Additionally perform the same procedure when the sensor is submerged in oxygen free water You can create an oxygen free solution by adding 1 tea spoon of sodium sulphite in 100 ml water concentr...

Page 18: ...sensor in a water bath with the lower temperature calibration point 1 and wait until the sensor has the same temperature as the water Select in the menu Sensors O2S Sensor Calibration Temperature Cal...

Page 19: ...libration point 2 e g 0 C The SENECT control units measure the atmospheric pressure and use this value for an automatic pressure compensation Sensor Error In case the sensor or the sensing membrane is...

Page 20: ...utomatic salinity correction based on conductivity measurements for the oxygen measurement can be made Sensors O2S Salinity correction Mode From sensor cor In case there is no conductivity sensor conn...

Page 21: ...5 8400 25 35400 6 9900 26 36700 7 11300 27 37900 8 12800 28 39200 9 14200 29 40400 10 15600 30 41700 11 17000 31 43000 12 18900 32 44200 13 19700 33 45400 14 21100 34 46700 15 22400 35 47900 16 23800...

Page 22: ...mm Weight probe ca 100 g Cable length total 10 m Voltage 24 V DC Power consumption 1 W Temperature range 0 to 40 C Max pressure 3 bar Measurement range 0 200 0 20 mg O2 l 1 Precision oxygen 1 FS Preci...

Page 23: ...tion about the correct disposal 23 Dimensions in mm not to scale stainless steel 1 4435 exchangeable sensor cap L 5 m 5 172 40 d 30 L 5 m 5 14 Interface silicone housing 81 4 12 4 29 Fig 3 Sensor dime...

Page 24: ...roduct back to the producer The SENECT GmbH Co KG is member of the Stiftung Elektro Altger te Register and the products are registered WEEE Reg Nr DE37193510 Guarantee Please check at delivery of your...

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