ChemScan
®
mini UV254 Analyzer
Installation, Operation and
Maintenance Manual
ASA, Inc.
Applied Spectrometry Associates, Inc.
2325 Parklawn Drive Suite I
Waukesha WI 53186
PH: 262-717-9500 FAX: 262-717-9530
ASAAnalytics.com
Страница 1: ...n mini UV254 Analyzer Installation Operation and Maintenance Manual ASA Inc Applied Spectrometry Associates Inc 2325 Parklawn Drive Suite I Waukesha WI 53186 PH 262 717 9500 FAX 262 717 9530 ASAAnalyt...
Страница 2: ...yzer Maintenance 15 Maintenance Schedule 15 Maintenance Procedures 16 Interrupting On Line Operation 16 Sample Line Screens 16 Solution Replacement 17 Manual Instrument Zeroing Procedure 19 Manual Che...
Страница 3: ...ample using comparison values from samples that have passed through the analyzer and then have been analyzed in a laboratory to measure the organic content Standard measurements of organic content inc...
Страница 4: ...as shown in Figure 2 Figure 3 illustrates the required pressurized side stream sample with a minimum sample pressure of 2 psi and maximum pressures of 20 psi A pressure regulator should be installed i...
Страница 5: ...5 Figure 2...
Страница 6: ...6 Figure 3...
Страница 7: ...analyzer must measure and record the initial ideal cell readings to use for subsequent diagnostic purposes Allow 20 minutes for the instrument to warm up 1 Turn off the manual sample valve the blue h...
Страница 8: ...ure that the ChemScan Analyzer is warmed up for at least 20 minutes and properly zeroed 2 Put the ChemScan Analyzer ONLINE and wait for the reading to stabilize 3 Take a reading of the same process fl...
Страница 9: ...all obvious but useful Controls the ZeroClean valve the ZERO valve and the pump pressing digit 4 hence ZC4 turns ON the zeroclean valve pressing digit 1 ZC1 turns OFF the zeroclean valve 5 turns On t...
Страница 10: ...ONLINE menu selection puts the instrument in the ON LINE mode The flowing sample is continuously analyzed and the result is displayed on the front panel Simultaneously the same data is presented on t...
Страница 11: ...he output to an entered current Select Channel 1 then enter the desired value 5 ALARM 1 SETPOINT sets the trigger point for alarm relay alarm when ABOVE or BELOW setpoint 6 SECURITY CODE sets the secu...
Страница 12: ...Schedule Routine maintenance of the UV254 series analyzer is limited to a few periodic procedures as follows Daily Observe operation looking for abnormal operation Weekly Fill Zeroing and Cleaning so...
Страница 13: ...URITY CODE The instrument will then return to the on line mode Sample Line Screens The sample line inlet is equipped with a small mesh screen to prevent the entry of large particles and debris into th...
Страница 14: ...solution must contain no nitrate nitrite iron or organics A 20 liter zeroing solution container is provided with the analyzer Cleaning Solution While the analyzer is performing an autozero it will te...
Страница 15: ...values to certain set points determine if cleaning is necessary auto clean re zero and re test For details concerning the autozero cycle refer to the Selection of 1 MANUAL ZERO will require the opera...
Страница 16: ...ECURITY CODE _ Enter the current security code and the instrument will display the MAIN MENU Acid Flush Note Cleaning solution can cause permanent damage to eyes skin and clothing Take proper precauti...
Страница 17: ...flush for 60 seconds Press the key to stop the flow Press the MAIN MENU key to return to the Main Menu Turn off the analyzer NOTE HARMFUL UV RADIATION IS PRESENT IN THE FLOW CELL WHEN THE INSTRUMENT...
Страница 18: ...18 Figure 5...
Страница 19: ...venly compress the o ring and avoid breakage of the windows 2 Wipe the outside of the flow cell 3 Mount the cover plate to the window plates 4 Carefully slide the flow cell into the flow cell mount an...
Страница 20: ...its 8 Parity None Stop Bits 2 Flow Control None then select OK The cursor prompt should appear inside the ChemScan HyperTerminal box This concludes the detailed description relevant to the Windows OS...
Страница 21: ...t intensity values are monitored If the light intensity values fall below the preset value the system will attempt to chemically clean the flow cell This process will be repeated up to 3 times If the...
Страница 22: ...g Cell Light Levels Too Low Lens Block Windows Clean Lens Block Windows Fouled After Mechanical Cleaning Bad Flow Cell Test Zero Without FlowCell Readings Constantly at Old Bad Zero Standard Replace Z...
Страница 23: ...ution is again pumped for a few seconds throughput is compared to the level noted when stability was achieved If there was no change the zero is considered successful the values stored and the process...
Страница 24: ...stem is taken off line or a successful AZC Cycle concludes MODE ANALYZER OFF LINE UNABLE TO ZERO PLEASE CLEAN CELL Manually triggered autozero cycle failed because the cell transmittance is too low co...
Страница 25: ...OUSING MODULE 950 00 UV SOURCE MODULE 950 00 FLOWCELL ASSEMBLY 550 00 FLOWCELL WINDOW SET 384 00 SAMPLE LINE STRAINER 37 00 CHECK VALVE 65 00 recommended spare parts NOTE Minimum order 100 00 Prices d...
