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Thermo Scientific ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER, Manual

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Thermo Scientific ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER Manual Download Page 43

Instruction manual

 

 

Alpha

 

DO 2000

 

 

Alarm Functions 

Function (switchable) 

Latching or pulse 

Pickup delay 

0 to 1999 seconds 

Switching voltage 

max. 250 VAC 

Switching current 

max. 3A 

Switching power 

max. 600 VA 

 

 

Display 

LCD 

UV coat, backlit 14 segments display with 
symbols for status information 

Back light 

On/Off selectable with four levels of brightness 
control 

 

 

EMC Specifications 

Emissions EN 

61326 

Susceptibility EN 

61326 

 

 

Environmental Conditions 

Ambient Temperature operating 
range 

0 to +50 

o

C 

Relative Humidity 

10 to 95%, non-condensing 

 

 

35 

Summary of Contents for ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER

Page 1: ...Alpha DO 2000 PPG Processor Transmitter Dissolved Oxygen ppm m L...

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: ...f the Alpha DO 2000 as possible If you have any doubts concerning the use of the instrument please do not hesitate to contact your nearest Alpha Authorised Distributor The information presented in thi...

Page 4: ......

Page 5: ...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 has live and exposed parts inside If it has to be opened make su...

Page 6: ......

Page 7: ...n Mode 14 5 2 Calibration 15 5 2 1 One Point Calibration 15 5 2 2 Two Point Calibration 16 5 3 View Probe Condition 18 6 Setup Mode 19 6 1 Enter Setup Mode 19 6 2 Electrode Offset Settings OFS 20 6 3...

Page 8: ...38 10 4 Guidelines for returning unit for repair 38 11 Appendices 39 11 1 Appendix 1 Replacing Fuse 40 11 2 Appendix 2 Dissolved Oxygen Values 41 11 3 Appendix 3 Simple Explanation on the Function of...

Page 9: ...nal information and instructions which if neglected could lead to inefficient operation and possible loss of production The instruction manual must always be stored close at hand in a place accessible...

Page 10: ...iar with the transmitter and who are qualified for such work Make sure the mains cable is separated from the power supply before opening the unit No modifications to the Alpha DO 2000 are allowed The...

Page 11: ...Manual temperature compensation setting without the ATC probe with independent setting for calibration and process temperature Two galvanically isolated current outputs 0 4 20mA 0 to 1999 seconds tim...

Page 12: ...itter a dissolved oxygen sensor with integrated or separate temperature sensor an appropriate measurement cable an immersion flow or process assembly a final control element such as pump or valve a ch...

Page 13: ...Instruction manual Alpha DO 2000 2 3 Overview Wall mounting version Panel mounting version 5...

Page 14: ...larm indicator 2 3 2 Key Functions Key Description Enter Calibration mode requires access code Enter Setup mode requires access code Access sub functions parameters within a function group of Setup mo...

Page 15: ...red if measured value exceeds limit for Relay A LED lights green if measured value is within the limit for Relay B LED lights red if measured value exceeds limit of Relay B LED lights if cleaning cycl...

Page 16: ...HOLD HOLD HOLD C Temperature settings see section 6 3 Relay A set point 1 settings see section 6 4 Relay B set point 2 settings see section 6 4 Controller settings see section 6 5 Current output 1 set...

Page 17: ...94 57 8 2 28 For Pg13 5 cable glands Holes for wall mounting 2X 21 5 85 6 24 66 5 2 62 80 3 15 90 3 54 90 3 54 Holes for post mounting 4X Red Plugs for wall mounting holes enclosure 2X 175 6 88 175 6...

Page 18: ...Instruction manual Alpha DO 2000 Panel mount version Flat gasket 1mm 04 to be inserted by customer Panel cut out Unit MM INCH Environmental protection class IP 54 front IP 40 housing 10...

Page 19: ...C 23 DO input Cathode 7 Wash relay 24 Temperature T2 8 Wash relay 25 Temperature N C 9 Relay B SP 2 26 Temperature T1 10 Relay B SP 2 28 4 20 mA temperature output ve 11 Relay A SP 1 29 4 20 mA temper...

Page 20: ...ut Cathode 7 Wash relay 24 Temperature T2 8 Wash relay 25 Temperature N C 9 Relay B SP 2 26 Temperature T1 10 Relay B SP 2 28 4 20 mA temperature output ve 11 Relay A SP 1 29 4 20 mA temperature outpu...

Page 21: ...he temperature value in C or F MEAS C ATC 100 0 READY 25 0 The annunciators mg l or ppm at the upper right side of the display indicate the current measurement mode setting whether the transmitter is...

Page 22: ...ou to enter the calibration security code CCD Press or key to set the calibration security code to 11 and then press ENT key to confirm the calibration security code If ENT key was pressed The display...

Page 23: ...ult If 2 PT CAL is shown use or keys to select one point 1 PT CAL Press ENT key to confirm the 1 point selection 3 Press or key to set the relative humidity Press ENT key to confirm 4 Press or key to...

Page 24: ...rocess temperature see section 6 3 5 2 2 Two Point Calibration SETUP CAL HOLD 0 0 Y e s 7 ENT SETUP CAL HOLD N O 7 SETUP SETUP SETUP SETUP HOLD HOLD HOLD CAL HOLD 1 PT 2 PT CAL CAL Rh 1 0 0 DO CAL ENT...

Page 25: ...r air The temperature compensated sensor current in nA for the second point will be displayed The CAL and electrode symbol start flashing Once the reading stabilizes the flashing symbols disappear and...

Page 26: ...T CAL DO CAL 3 CAL ENT 1 While in Measurement mode press CAL key 2 The display prompts you to enter the calibration security code CCD Leave the security code at 000 view only mode Press ENT key 3 The...

Page 27: ...ection 6 6 Current output 2 settings see section 6 7 Wash relay settings see section 6 8 Calibration see section 6 10 SETUP HOLD Configuration settings see section 6 9 OFS 13 0 DO Offset settings ENT...

Page 28: ...or key to select NO or YES for offset adjustment Select NO OFS to skip offset adjustment and move to the next step Select YES OFS to perform offset adjustment Press ENT key to confirm your selection I...

Page 29: ...mperature Press or key to adjust the process temperature in the upper display value setting range 9 9 to 125 C 15 to 257 F Press ENT key to confirm process temperature 5 Setting the calibration temper...

Page 30: ...e relay when the dissolved oxygen value undershoots the low set point select HI to activate the relay when the value overshoots the high set point SP1 and SP2 can be selected as Lo Lo Lo Hi Hi Lo or H...

Page 31: ...ay time for set point 1 The controller will delay deactivation of the relay for the number of seconds 0 to 1999 seconds you select Press ENT key to confirm your setting NOTE You can set a time delay f...

Page 32: ...DO controller SETUP SETUP HOLD HOLD SETUP HOLD SETUP SETUP SETUP SETUP SETUP SETUP SETUP SETUP HOLD HOLD HOLD HOLD HOLD HOLD HOLD SETUP SETUP SETUP HOLD HOLD HOLD SETUP HOLD SETUP HOLD SETUP HOLD SET...

Page 33: ...n Alarm condition REL Press or key to choose the desired relay status de energized DEEN or energized EN Press ENT key to confirm your selection If the controller is set to proportional control P PI 4...

Page 34: ...range setting range 10 to 500 Press ENT key to confirm your setting 11 Setting the pulse frequency F PF Press or key to set the pulse frequency setting range 60 to 120 pulses per minute Press ENT key...

Page 35: ...ey to set the dissolved oxygen value to be equivalent to 4 mA or 0 mA respectively Press ENT key to confirm your setting 4 Setting the dissolved oxygen value at which the transmitter output will be 20...

Page 36: ...m your selection 3 Setting the temperature value at which the transmitter output will be 4 mA or 0 mA Press or key to set the temperature value setting range 9 9 to 115 C or 15 to 237 F to be equivale...

Page 37: ...Press or key to choose desired relay status de energized DEEN or energized EN Press ENT key to confirm your selection 4 Setting the wash interval in hours Press or key to set the desired wash interval...

Page 38: ...isplay backlight Press or key to switch display backlight on BKLT ON or off BKLT OFF Press ENT key to confirm your selection 3 Setting the backlight intensity appears only If backlight is on Press or...

Page 39: ...ettings to factory defaults when confirmed with ENT key CAL DEF resets all calibration settings to factory defaults when confirmed with ENT key Press ENT key to confirm your selection If NO DEF was se...

Page 40: ...tch on relay mode LED Auto lights While in Measurement mode press the REL key The display shows the relay set point value for Relay A and LED A lights The mode of the relay set point will be with resp...

Page 41: ...ol The display shows the current measured value in upper display and OFF or ON in lower display depending on the relay status of the currently selected relay If you selected Pulse length control The d...

Page 42: ...matic correction Pressure Compensation 0 740 to 3 000 bar 555 to 2250 mmHg 10 73 to 43 51 PSI Manual setting and automatic correction Set point and Control Function Function Switchable Off Limit Contr...

Page 43: ...max 3A Switching power max 600 VA Display LCD UV coat backlit 14 segments display with symbols for status information Back light On Off selectable with four levels of brightness control EMC Specificat...

Page 44: ...hanical Specifications Dimensions L x H x W 144 x 144 x 110 mm Weight 950 g Material PBT Insulation NEMA 4X IP 65 8 3 Specifications for Panel Mount Version Electrical Data and Connections Power requi...

Page 45: ...ccessories Product Description Order Code Amperometric Dissolved Oxygen Probe EC237150 Fermentation Dissolved Oxygen Probe EC237450 Membrane Kit for EC237450 EC237140 Electrolyte for EC237450 EC237118...

Page 46: ...ulting from Improper or inadequate maintenance by customer Unauthorized modification or misuse Operation outside of the environment specifications of the products 10 2 Packaging Scope of delivery The...

Page 47: ...he right to make improvements in design construction and appearance of products without notice 10 4 Guidelines for returning unit for repair Use the original packaging material if possible when shippi...

Page 48: ...ppendix 1 Replacing Fuse Caution Before opening the unit to replace the unit fuse make sure the mains cable is separated from the power supply Wall mount version view from the backside Fuse 250V Left...

Page 49: ...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 8 9 8 9 5 9 0...

Page 50: ...00 mg l Set to LO SP2 6 00 mg l Set to HI Mg l 4 20 5 80 6 00 HYSTERESIS BAND Default 0 2 mg l HYSTERESIS BAND Default 0 2 mg l The controller relay activates when the set point is reached In the reve...

Page 51: ...er Setting Control characteristic of Controllers used as limit value switch Xp 0 Xp 0 0 50 100 Yh Xw Xw SP 2 SP 1 MIN function MAX function Control characteristic of P Controllers as proportional cont...

Page 52: ...following applies tON tOFF T Const greater divergence greater tON Xp exceeded tON T relay remains picked up Control signal of Pulse Frequency Controllers Relay ON tON tOFF Pulse Length T OFF Time s Th...

Page 53: ...portional range Con Concentration PSI Ponds per square inch CU22 Out of range current 22mA REL Relay CUR 1 Output current 1 RH Relative humidity CUR 2 Output current 2 R 0 0 mA Output current DEEN Dee...

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Page 56: ...ax 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 139949...

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