Palas CD 2000 Type A Operating Manual Download Page 1

 

 

 

Operating Manual 

 
 

Corona-Discharge Unit 

 

CD 2000 

 

Type A: 2 – 18 m³/h 

Type B: 3 – 36 m³/h 

 

 

 

 
 

Version LNCE 6000; date 2/2008 

 

PALAS GmbH  
Partikel- und Lasermesstechnik 
Greschbachstrasse 3b  
76229 Karlsruhe  

Phone +49 (0)721 96213-0  
Fax     +49 (0)721 96213-33 
[email protected]  
www.palas.de  

Summary of Contents for CD 2000 Type A

Page 1: ...harge Unit CD 2000 Type A 2 18 m h Type B 3 36 m h Version LNCE 6000 date 2 2008 PALAS GmbH Partikel und Lasermesstechnik Greschbachstrasse 3b 76229 Karlsruhe Phone 49 0 721 96213 0 Fax 49 0 721 96213 33 mail palas de www palas de ...

Page 2: ...6 3 3 Switching off Procedure 6 4 Function Principle 7 5 Electrical Adjustment of Corona Ionization Chambers 8 5 1 Principle 8 5 2 Procedure 8 5 3 Adjusting the external potentiometers with scale 8 6 Malfunctions 10 6 1 FAQs 10 6 2 General 10 7 Maintenance 11 8 Technical Data for Standard Equipment 12 8 1 Electrical data 12 8 2 Mechanical data standard values 12 9 Spare parts list accessories list...

Page 3: ...ng radiation within areas conductive to shock or vibration Besides discharging also electric sparks are possible in the discharge chambers Thus only gas that is definitely not flammable may be used as mixing air and aerosols If any damage at cables plugs or other parts of the discharge unit is visible do not operate the discharge unit In order to eliminate the defect please contact the manufacture...

Page 4: ...e transport If the instrument is damaged you may not set it to work Damages may lead to unsafe operation because of the high voltage in the instrument Please check if the supplied accessory equipment of the CD 2000 is complete The following parts are attached to the system 1 power cord 1 operating manual 1 electrotronical control unit 1 Discharge unit with a cable with three connectors Negative Io...

Page 5: ...in operation or the measurement of aerosols which gas conditions or compound the instrument is not specified for The machine may only be operated in dry rooms under atmospheric ambient pressure and at room temperature Operating under other ambient conditions such as in corrosive or explosive environments in strong electric or electromagnetic fields in areas with ionising radiation as well as in ar...

Page 6: ...y attention to polarity Connect power cord to HV power supply 3 2 Switching on Procedure FIRST Deliver mixing air Adjust volume flow On this occasion consider the allowable volume flow range The mixing air flow must always be bigger than the aerosol flow at the aerosol inlet THEN Switch on the discharge unit AT LAST Deliver aerosol Thus it is assured that aerosols do not enter the discharge chambe...

Page 7: ...h ions by the corona discharge The aerosol air flow and the mixing air flow enriched with ions will then be mixed in the mixing chamber just before the outlet By means of ions in the mixing air the charge of the particles in the aerosol is neutralized This takes a certain time which means that the complete discharge procedure takes place mainly in the volume after the outlet of the discharge unit ...

Page 8: ... 2 Procedure Positive and negative high voltage supply and discharge unit are independent of each other and can be separately adjusted 1 Start operating the discharge unit but without aerosol supply See First Set up Recommendation Mixing air volume flow should be set to 5 m3 h 4 to 10 m3 h is useable Connect digital voltmeter to the monitor output on the back side of the high voltage supply unit a...

Page 9: ... turn down the Ipos potentiometer to 20 scales Now the setting for the positive high voltage is adjusted The digital voltmeter should show now around 0 2V as monitoring value When measuring the monitoring value for Umon the voltage seen there is lower than adjusted with the Upos potentiometer because the HV supply now works with current limiting and therefore decreases the output voltage The negat...

Page 10: ...ber of the instrument within the email A device that obviously does not function perfectly may not be operated further 6 1 FAQs Table with known questions Questions are currently being collected and will be listed in the next revision of this document 6 2 General No components may be serviced or replaced in the discharge system CD 2000 without instruction from a Palas employee In the event of infr...

Page 11: ...flow Otherwise the ionization chambers can become contaminated A high mixing air flow depending on version max 18 or 36 m3 h can clean these chambers Dismantling can only be effected by the manufacturer as an exact adjustment of the components is essential when reassembling it The function of the unit can be controlled by measuring the corona current at IMon while operating Using the standard sett...

Page 12: ...V 1000 µA Monitoring of high voltage voltage blue socket 0 6000 V 0 10 V current red socket 0 1000 µA 0 10 V 8 2 Mechanical data standard values There are two versions of the mechanical part of the CD 2000 with different mixing air flows type A is for air flows from 2 to 18 m h type B is for air flows from 3 to 36 m h inlet aerosol volume flow 0 4 m h connection da 8 mm di 6 mm mixing air cleaned ...

Page 13: ...OPERATING MANUAL CD 2000 Palas GmbH Karlsruhe Version V002022014 13 9 Spare parts list accessories list 9 1 The following replacement parts are available Aerosol inlet tube for CD 2000 ...

Page 14: ... the unit back to Palas 10 2 Storage If the unit will not be used for a longer period the instrument should be cleaned Then the unit should be stored in a dry location 10 3 Transport When transporting by hand take care about the weight Please see also technical parameter For all other types of transport such as shipping the unit must first cleaned and the instrument should be packed safty for tran...

Page 15: ... CD 2000 Palas GmbH Karlsruhe Version V002022014 15 11 Disposal of the Discharge Unit CD 2000 Once the discharge system CD 2000 has reached the end of its lifetime please contact Palas 0721 96213 0 for proper disposal ...

Page 16: ...no If no please give details here ________________________________________________ _________________________________________________________________________ Was information missing for you yes no If yes please give details here ________________________________________________ _______________________________ Were you satisfied with the structure of the Instruction Manual Did you quickly find the in...

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