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Thermo Scientific Alpha DO 1000, Manual, Page: 1 / 48

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Alpha

 DO 

1000

Controller/Transmitter

mg/l  /  % saturation  /  °C

Summary of Contents for Alpha DO 1000

Page 1: ...Alpha DO 1000 Controller Transmitter mg l saturation C...

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: ...nticipated applications of the Alpha DO 1000 Dissolved Oxygen controller transmitter If you have doubts in the use of the instrument please do not hesitate to contact your nearest Alpha Authorised Dis...

Page 4: ......

Page 5: ...on of the instrument Before powering up the unit make sure that power source it is connected to is as specified in the top label Failure to do so may result in a permanent damage to the unit The unit...

Page 6: ...etup mode 10 5 2 4 Clearing the Advanced Setup Security Code from the Display 11 6 CALIBRATION MODE 12 6 1 Dissolved Oxygen Calibration 12 6 2 Dissolved Oxygen Calibration in Saturation of Oxygen 13 7...

Page 7: ...3 Selecting the Alarm Time Lag 27 7 8 4 Selecting Steady or Pulse Contact for the Alarm Relay 27 7 8 5 Selecting Dissolved Oxygen Probe Type 28 7 8 6 Reverting to Factory Default Settings 28 7 9 Calib...

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Page 9: ...eparately adjustable high and low set point hysteresis dead bands prevent chattering of relays around the set points Three control modes limit control proportional pulse length or proportional pulse f...

Page 10: ...l control element such as pump or valve and a chart recorder Power Mains 220 110 VAC Alpha DO 1000 Controller Flow Assembly Measurement Cable DO Electrode Chart Recorder Alpha DO 1000 Alarm Siren Syst...

Page 11: ...power supply 3 1 Connection Diagram Signal Output Hold Input Alarm Relay 2 Relay 1 Power Mains DO mA PE S PE AC N L 1 2 5 4 3 6 7 8 9 10 11 12 13 14 15 17 15 16 indicated contact positions are for cu...

Page 12: ...th wire 12 Alarm relay working position NC 4 Low set relay resting position NC 13 Hold function switch terminal 1 5 Low set relay common 14 Hold function switch terminal 2 6 Low set relay working posi...

Page 13: ...SE 250VAC HOLD ALARM RELAY2 NC DO Probe J2 IMPORTANT The Alarm relay functions as an Active Low device i e it switches OFF under Alarm condition Therefore the Alarm display device should be connected...

Page 14: ...tch between RELAY A and RELAY B in MANUAL relay operation mode 4 1 2 Display The LCD display features two numerical displays that show status messages and measured values for easy quick reference The...

Page 15: ...a security code See Section 5 2 for security code information 4 2 1 How to view operating parameters without access to change them 1 Press the ENTER key The display will prompt the user to enter a sec...

Page 16: ...ick up delay contact 1 Dropout delay contact 2 Reset to factory default settings Calibrate MIN MAX Function Hysteresis 1 Pick up delay contact 2 Dropout delay contact 1 Proportional range XP Cycle tim...

Page 17: ...out changing them 1 Press the CAL key followed by the ENTER key without adjusting the security code leave code at 000 The upper display shows the condition of the probe The lower display reading shows...

Page 18: ...n calibration 5 Press the or keys simultaneously escape to return to the Measurement mode NOTE To view not change the SETUP parameters push the ENTER key when the security code reads 000 5 2 2 Clearin...

Page 19: ...ity code you must manually reset the code To clear the Advanced Setup security code from the display 1 Press the ENTER key in the Measurement mode 2 Set to any security code not 11 or 22 and complete...

Page 20: ...allowed to equilibrate in a solution containing 8 24 mg l of dissolved oxygen The CAL indicator flashes at the top right hand corner When reading is stable the READY annunciator comes on Use the or ke...

Page 21: ...ced Set up mode the controller will return to the sub function menu NOTE If there is a calibration error the controller displays ERR If this happens push both the or keys escape to restart the calibra...

Page 22: ...gh level calibration and retains the previous calibration values 6 After calibration to a second value this controller will automatically display condition of the probe in the upper display and the te...

Page 23: ...e average offset you would expect in your application type consider a full calibration or even electrode replacement 2 Take a sample from the system Record the controller s Dissolved Oxygen reading at...

Page 24: ...not available in the mode and this window is not displayed 4 Press the or keys until the salinity value between 0 0 ppt and 50 0 ppt coincides with the correct salinity value 5 Press the ENTER key to...

Page 25: ...ted 4 Press the or keys to toggle between ATC on and off 5 Proceed with additional Advanced Set up procedures press ENTER again or return to Measurement mode by pressing the or keys escape simultaneou...

Page 26: ...mperature 3 Press the or keys to adjust the process temperature value You can adjust the value from 9 9 to 125 C 4 After you set the process temperature value press the ENTER key The upper display sho...

Page 27: ...te at the value you select 4 Press the ENTER key to confirm your selection 5 Proceed to 7 5 3 or return to Measurement mode by pressing the or keys simultaneously escape 7 5 3 Choosing High or Low Set...

Page 28: ...er display shows HYS 3 Press the or keys to enter your hysteresis value for Set point 1 Set point 2 Your controller will activate at the value you select Note All settings for SP1 and SP2 are complete...

Page 29: ...tes 1 Follow directions in 7 5 1 to enter Control Relay mode If you are in this mode skip to step 2 2 Press the ENTER key Scroll with the or keys until the upper display shows 0 time and the lower dis...

Page 30: ...0 100 10 0 60 PF C HOLD SETUP f pf 7 6 2 Choosing the controller type limit or proportional This mode lets you choose your controller type limit control pulse length proportional control pulse frequen...

Page 31: ...Press the or keys to choose de energised or energised relay state 4 Press the ENTER key to confirm your selection 5 Continue with Advanced Set up mode procedures or return to Measurement mode by pres...

Page 32: ...s your current pulse length You can select any value from 0 5 to 20 seconds 4 In PFC pulse frequency mode The lower display shows F PF to indicate pulse frequency The upper display shows your current...

Page 33: ...7 7 1 to enter Current Output mode 2 Press the or keys to select your output type 0 20 or 4 20 mA 3 Press the ENTER key to confirm your selection 4 Proceed to 7 6 3 or return to Measurement mode by p...

Page 34: ...r 100 4 Press the ENTER key to confirm your selection and return to Advanced Set up mode or return to Measurement mode by pressing the and keys simultaneously escape 7 8 Configuration ConF sub functio...

Page 35: ...ns in 7 8 1 to enter Configuration mode 2 Press the ENTER key Scroll with the or keys until the upper display shows a numerical value in seconds and the lower display shows AL d 3 Press the or keys to...

Page 36: ...o confirm your selection 5 Proceed to 7 8 6 step 3 or return to Measurement mode by pressing the or keys simultaneously escape 7 8 6 Reverting to Factory Default Settings Use this parameter to reset a...

Page 37: ...ill revert back to Set up mode instead of Measurement mode after calibration is completed 7 9 1 Entering Calibration mode from Advanced Set up mode 1 Enter Advanced Set up mode Push the ENTER key and...

Page 38: ...turn on and off the control devices connected to Relay A or Relay B or both 1 Press the RELAY CONTROL auto manu key The upper display shows 000 the lower display shows S Cd to prompt you to enter the...

Page 39: ...he RELAY SELECTION key at this point and repeat step 5 for the second relay This first relay will remain under manual control while you are setting the second relay 8 Press the RELAY CONTROL key to re...

Page 40: ...ction Set point and Controller Functions Controller characteristics Limit proportional pulse or frequency controller Adjustable period with pulse length controller 0 5 to 20 sec Adjustable period with...

Page 41: ...duct Description Code No General Purpose DO probe 0 20 ppm with integrated Pt 100 ECDOGEN S Maintenance Kit for ECDOGEN S consisting of 480 ml of electrolyte for DOGEN membranes Set of 5 tool for memb...

Page 42: ...unit rubber gasket 1 unit 11 3 Return of Goods Authorisation must be obtained from Thermo Scientific Instruments Customer Service Dept to issue a RGA Return of Goods Authorisation number before retur...

Page 43: ...tions Internal to the controller JP 1 Selects the input voltage 220 VAC JP 2 Selects the input voltage 110 VAC Fuse Note that there is a fuse slow blow 100mA internal to the controller Replace fuse wi...

Page 44: ...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 8 9 8 9 5 9 0 8 5 8 0 1...

Page 45: ...BAND FORWARD DIRECTION REVERSE DIRECTION SP1 SP2 RELAY ON SP2 Set to HI mS The controller relay activates when the set point is reached In the reverse direction it does not de activate when the value...

Page 46: ...nction MAX Function Xp Prop Band Xp Prop Band SP 1 SP 2 Xw Xw Yh 0 50 100 Control characteristic of P Controllers as proportional controller MIN Function MAX Function Xp 0 Xp 0 SP 1 SP 2 Xw Xw Yh 0 50...

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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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