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Instruction Manual 

 

Alpha DO 500 

 

7

 

2.4 Installation 

2.4.1 Mechanical 

Dimensions 

 

ENT

ESC

2-wire Dissolved Oxygen Transmitter

Alpha DO 500

CAL

 

 

2.4.2 Wall 

Mount 

 

 

Pierce through holes at 
both sides 

1

1

Cover the catch slots at 
both sides with overlays 

2

 

Summary of Contents for Alpha DO 500

Page 1: ...Alpha DO 500 Transmitter Dissolved Oxygen...

Page 2: ...k ROSS Resolution SAOB SMART AVERAGING Smart CheK SMART STABILITY Stacked Star Navigator 21 Stat Face The Enhanced Lab ThermaSense Triode TRIUMpH Unbreakable pH Universal Access are trademarks of Ther...

Page 3: ...the use of the transmitter please do not hesitate to contact the nearest Authorized Distributor Thermo Scientific will not accept any responsibility for damage or malfunction to the transmitter cause...

Page 4: ...play Overview 9 2 5 2 Key Functions 10 3 Normal Operation 11 3 1 Measurement mode 11 3 2 Menu Overview 12 4 Calibration Mode 13 4 1 Entering Calibration Mode 13 4 2 Calibration in mg l or ppm of Oxyge...

Page 5: ...ion 38 9 1 Warranty 38 9 2 Return of Goods 38 9 3 Guidelines for Returning Unit for Repair 38 9 4 Maintenance and Cleaning 38 10 Appendices 39 10 1 Appendix 1 Salinity vs Temperature 760mmHg 39 10 2 A...

Page 6: ......

Page 7: ...ns which are not or insufficiently answered in this instruction manual please contact your authorized supplier They will be glad to assist you 1 2 Intended Use Alpha DO 500 Transmitters are intended s...

Page 8: ...o modifications to the Alpha DO 500 Transmitter are allowed The manufacturer supplier accepts no responsibility for damage caused by unauthorized modifications The risk is borne entirely by the user 1...

Page 9: ...re not erased if power supply fails x Menu driven program that simplifies setup x Automatic temperature compensation ATC x Manual temperature compensation setting without the ATC probe with independen...

Page 10: ...dissolved oxygen sensor with integrated or separate Pt100 temperature sensor x An appropriate measurement cable x An immersion flow or process assembly x A chart recorder Power Adaptor 12 to 24 V DC 4...

Page 11: ...ow Connectors x SL2 12 to 24 V DC power x SL1 Dissolved Oxygen electrode Temperature probe connections wiring has to be done in the detachable connector SL1 SL2 Figure 1 Outer Side of Back PCBA SL1 Co...

Page 12: ...Temperature Probe For Automatic Temperature Compensated ATC readings a 100 Pt RTD temperature probe 2 wire or 3 wire can be connected to the Transmitter 3 Wire Probe 1 Connect PT100 compensate wire t...

Page 13: ...DO 500 7 2 4 Installation 2 4 1 Mechanical Dimensions ENT ESC 2 wire Dissolved Oxygen Transmitter Alpha DO 500 CAL 2 4 2 Wall Mount Pierce through holes at both sides 1 1 Cover the catch slots at bot...

Page 14: ...asket Prepare panel cut out of 92 0 mm X 92 0 mm Remove back cover of DO Transmitter and slide it through panel cut out Attach catch to both sides of DO Transmitter Insert threaded rods through catch...

Page 15: ...lso consists of various mode indicators status annunciators and unit of measurement indicators SETUP MEAS CAL Upper Display Lower Display ERR ATC C READY HOLD ppm mg l K Mode Indicators MEAS Measureme...

Page 16: ...rm calibration in Calibration mode Select a group of settings in Setup mode Select parameters and increment decrement numerical values in Setup and Calibration modes When pressed continuously speed of...

Page 17: ...cal display shows the measured dissolved oxygen value while the lower display shows the temperature value The indicator ppm or mg l at the upper right side of the display indicates the current measure...

Page 18: ...2 3 2 Menu Overview MEAS C ATC READY ENT SETUP HOLD SETUP HOLD ENT SETUP HOLD SETUP HOLD SETUP HOLD SETUP HOLD ENT ENT ENT ENT ENT ENT ENT SETUP HOLD CAL ENT ENT ENT ENT ENT ENT ENT ENT SETUP HOLD SET...

Page 19: ...l ppm Calibration Mode See Section 4 3 See Section 4 4 CAL HOLD CAL To quit Calibration Mode ENT MEAS C ATC READY NOTES x To exit calibration mode at any time during calibration press and keys simult...

Page 20: ...ement mode press CAL key to enter calibration mode as described in section 4 1 The LCD shows CAL Do Press ENT key to begin calibration 2 Select 1 point calibration The display shows 1Pt CAL If 2Pt CAL...

Page 21: ...d be 10 of high point Calibration error occurs if measured value is 10 of high point during 1st point calibration or if measured value is not within 50 of high point during 2nd point calibration 2 CAL...

Page 22: ...Transmitter allows adjusting up to r50 of the measured value Press ENT key to confirm the reading NOTE The transmitter does not accept the calibration and shows calibration error if the displayed meas...

Page 23: ...D 1 ENT ENT ENT CAL HOLD 2 CAL HOLD 2 CAL HOLD 3 MEAS C ATC READY 4 CAL HOLD READY ERR 1 1 From measurement mode press CAL key to enter calibration mode as described in section 4 1 The LCD shows CAL D...

Page 24: ...oxygen saturation Measured value should be 10 of high point Calibration error occurs if measured value is 10 of high point during 1st point calibration or if measured value is not within 50 of high p...

Page 25: ...le Press ENT key to confirm the reading NOTE The transmitter does not accept the calibration and shows calibration error if the displayed measured value is not with 50 to 150 5 5 The calibration is co...

Page 26: ...CD shows SETUP mode indicator and the first page of setup OFS offset settings Press or key to access other pages of the setup mode To exit from setup mode any time press and keys simultaneously escape...

Page 27: ...ment for dissolved oxygen Press or key to select the desired unit of measurement or ppm or mg l Press ENT key to confirm your selection If ppm or mg l is selected for unit of measurement 3 Setting sal...

Page 28: ...rement selected in the step 4 Press or key to set the required pressure value Press ENT key to confirm the value The Transmitter reverts to COF screen Press or key to access other setup screens or pre...

Page 29: ...urement mode press ENT key to enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode COFS Press or key to select offset settings screen OFS Press ENT key to access o...

Page 30: ...500 24 If nO was selected The existing offset value if any is unaffected and the Transmitter reverts to OFS screen Press or key to access other setup screens or press and key simultaneously escape to...

Page 31: ...mperature settings screen SEt C Press ENT key to access temperature settings SEt C 2 Enable disable ATC The upper display shows AtC The lower display shows the last configured ATC selection On or OFF...

Page 32: ...temperature Press or key to adjust the upper display to desired process temperature Allowable range 0 0 to 100 0 C Press ENT key to confirm the process temperature 6 Setting calibration temperature Th...

Page 33: ...tup mode as described in section 5 1 The LCD shows the first screen of setup mode COF Press or key to select range settings screen SEt rng Press ENT key to access range settings SEt rng 2 Select lower...

Page 34: ...st screen of setup mode COF Press or key to select hold settings screen SEt HLd Press ENT key to access hold settings SEt HLd 2 The upper display shows HLd and the lower display shows the last configu...

Page 35: ...COF Press or key to select out of range settings screen SEt org Press ENT key to access out of range settings SEt org 2 The upper display shows org and the lower display shows the last configured out...

Page 36: ...Press ENT key to view calibration settings CAL 2 The buffer annunciator appears in the LCD The upper display shows the value of the high point at which the calibration has been carried out The corres...

Page 37: ...enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode COF Press or key to select viewing electrode condition screen ELE Press ENT key to view electrode condition EL...

Page 38: ...display shows rSt The lower display shows CAL Press or key to select CAL to reset calibration values to factory defaults when confirmed by pressing ENT key FCt to reset all the parameters including ca...

Page 39: ...s b Temperature Offset Adjustment 10 C Compensation Temperature Compensation Automatic or Manual 0 to 50 o C Pressure Compensation 0 74 to 3 00 BAR 550 mmHg to 2250 mmHg 225 cmHg 10 7 to 43 5 PSI Manu...

Page 40: ...a DO 500 34 Other Power Input 12 to 24 VDC Dimensions W x H x D 96mm x 96mm x 66 mm Weight Estimated 210g Ambient Temp operating range 0 to 40 o C Maximum Relative Humidity 80 up to 31 o C decreasing...

Page 41: ...length tinned open ended ECDOGEN S Special Purpose Epoxy body Low Dissolved Oxygen Electrode with PT100 range 0 03 20 ppm 5m cable length tinned open ended ECDOTPII S Set of 5 O rings membranes DOGEN...

Page 42: ...ed oxygen electrode with Pt100 temperature sensor 0 20 ppm 10 foot cable length tinned open ended 35201 50 DO probe maintenance kit Includes 2 Teflon membranes 2 membrane O rings 1 body seal O ring 12...

Page 43: ...ibrate Oscillating temperature readings a Electrical noise interference a Ensure shield wire is properly connected to pin 7 Slow response a Dirty Oily electrode a Clean electrode Blinking ATC a No tem...

Page 44: ...fore returning items for any reason A Return Goods Authorization RGA form is available through our authorized distributor Please include data regarding the reason the items are to be returned For your...

Page 45: ...0 10 4 9 8 9 2 10 50 0 11 3 10 7 10 1 9 6 9 0 11 51 8 11 0 10 5 9 9 9 4 8 8 12 53 6 10 7 10 3 9 7 9 2 8 6 13 55 4 10 5 10 1 9 5 9 0 8 5 14 57 2 10 3 9 9 9 3 8 8 8 3 15 59 0 10 1 9 7 9 1 8 6 8 1 16 60...

Page 46: ...ter of mercury C C Calibration Temperature ELE Electrode condition FCt Factory defaults Hg Pressure in millimeter of mercury HI High limit HLd Hold LO Low limit OFS Offset Or Reading is over range Org...

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Page 48: ...Fax 978 232 6031 Europe P O Box 254 3860 AG Nijkerk Wallerstraat 125K 3862 CN Nijkerk Netherlands Tel 31 033 2463887 Fax 31 033 2460832 Asia Pacific Blk 55 Ayer Rajah Crescent 04 16 24 Singapore 13994...

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