Kurt J. Lesker KJL-205A Operation Manual Download Page 1 | Manualshive

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KJL-205A

Operation Manual

YOU MUST READ THIS MANUAL BEFORE USE

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Summary of Contents for KJL-205A

Page 1: ...KJL 205A Operation Manual YOU MUST READ THIS MANUAL BEFORE USE ...

Page 2: ...on 4 Connections 6 5 Section 5 Set Points 6 6 Section 6 Analog Out 7 7 Section 7 Field Calibration 8 Calibration Procedure 8 8 Section 8 Troubleshooting 8 9 Section 9 Servicing and Maintenance 9 Gauge tube servicing 9 Maintenance 9 Notes on calibration 10 10 Section 10 Accuracy 10 11 Section 11 Specifications 10 12 Section 12 Understanding Torr 12 13 Section 13 TERMS OF USE LIMITED WARRANTY LIABIL...

Page 3: ...eliable Very simple electronics Easy to understand Features Movement scale with range focused on the most useful range of interest for industrial vacuum below 500 millitorr International Power supply Designed to meet CE specifications 5 Volt Analog output 24 VDC 1 Amp Type C common normally open normally closed relay contact Field replaceable sensor Options KJL 205A Panel mount gauge that includes...

Page 4: ...tains the following components 1 Vacuum gauge with an international power supply and 10 of sensor cable with Octal connector 2 Thermocouple Vacuum Gauge Tube if ordering anything but KJL 205ANT 3 Quick Start guide or this User Manual Easy to use steps 1 Plumb the thermocouple sensor into the system to be measured taking care to keep the stem down 2 Install the display into its table top or benchto...

Page 5: ... 5 1 J e f f e r s o n H i l l s P A 1 5 0 2 5 8 0 0 2 4 5 1 6 5 6 w w w l e s k e r c o m Section 3 Installation If the KJL 205A or KJL 205ANT is purchased it needs to be mounted Please use the graphic below for guidance ...

Page 6: ...a metal enclosure and there is no need to disassemble the unit The only reason you would disassemble a KJL 205ABM or KJL 205ABM3X enclosure would be to access the analog output and relay connections Set Point Switch Set Point Set Zero Adjust Span Adjust Calibrate mv Sensor Connection N O Comm N C 5V power Analog Out Adjust Analog Analog 10mv 10mv Section 5 Set Points This gauge is equipped with a ...

Page 7: ...nals At the set point value and below higher vacuum lower pressure the connection is open Put another way the switch is OFF between the common and the N C connection at higher vacuum a lower vacuum reading 3 N O Normally open This means that above the set point value there is no current path between the common and N O connection Put another way the switch is OFF between these 2 terminals When the ...

Page 8: ... set to DC millivolts to bottom two test pads labeled 10mV and 10 mV SLOWLY adjust POT R2 CALIBRATE so meter reads 10 0 mV 3 Raise pressure to 200 millitorr Adjust POT R1 SPAN so KJL 205A indicates 200 4 Pump system to 10 millitorr Adjust POT R4 ZERO so the KJL 205A indicates 10 Caution needed that vacuum system is holding at 10 mTorr 5 Re check at 200 millitorr and adjust if necessary Section 8 T...

Page 9: ...matter It is often possible to restore the functionality of contaminated probes with cleaning If the contaminant is known the tube should be filled with a fluid that is known to be a solvent to that contaminant As an example ether is often effective in removing residues of some oils Commercial carburetor cleaners are very powerful solvents and are highly effective against some contaminants After c...

Page 10: ...ad higher than the actual amount of pressure Examples of such gases are water vapor fluorocarbon refrigerants and acetone Conversely other gasses have thermal conductivity significantly lower than air and will cause the instrument to read lower than actual pressure Examples of such gases include helium oxygen and to a lesser extent CO2 When interpreting readings using gasses other than air it shou...

Page 11: ...or Nitrogen Certifications RoHS CE Certified third party with KJL 6000SS tube EMC Emissions CFR 47 FCC Part 15 Subpart B Class B emissions requirements USA EN 55011 2009 A1 2010 Group 1 Class B ISM emissions requirements EU EN 61000 3 2 2006 A1 2009 A2 2009 limits for harmonic current emissions equipment input current up to and including 16A per phase EN 61000 3 3 2008 Limitation of voltage fluctu...

Page 12: ...5TC RCH30 50 Sensor Cable KJL615TC RCH50 requires calibration adjustment Section 12 Understanding Torr This instrument and many similar instruments are calibrated in microns or milliTorr It is appropriate to discuss what microns are and to relate microns to other measures of pressure and vacuum Microns are not really a measure of vacuum at all but rather of absolute pressure The pressure of the at...

Page 13: ... Atmospheric pressure varies greatly with altitude It decreases approximately 1 inch of mercury per thousand feet of altitude It also varies widely with local weather conditions Variations of one half inch in a single day are common The word vacuum means pressure lower than atmosphere or suction However in describing negative pressure the atmosphere is only a satisfactory reference if we are deali...

Page 14: ...ANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE NON INFRINGEMENT OR ANY OTHER WARRANTY EXPRESSED OR IMPLIED Limitation Of Liability You agree and acknowledge Kurt J Lesker Company shall have no liability to you whatsoever for any direct indirect punitive incidental special consequential damages arising out of or connected with the use or misuse of its products In particular given the natu...

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