A&T Qulon-12m User Manual Download | Manualshive

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Lead acid battery

capacity indicator

Qulon-12m

User's manual

2005

А

&T

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Summary of Contents for Qulon-12m

Page 1: ...Lead acid battery capacity indicator Qulon 12m User s manual 2005 А T ...

Page 2: ...eries that have lost capacity With Qulon 12m you will always keep your battery systems in perfect working order Qulon 12m is designed for years of reliable work and does not need any service Please read this manual It contains significant in structions for using battery capacity indicator Following this manual you will keep device working and your batteries ready to take critical loads Keep this m...

Page 3: ...th Qulon 12m 9 3 2 1 Device placement 9 3 2 2 Battery preparation 10 3 2 3 Connection to a battery 10 3 2 4 Battery state of charge 11 3 2 5 Battery capacity estimation 12 3 3 Qulon s screen during battery capacity estimation13 3 3 1 Screen under save by default mode 13 3 3 2 Screen under save by command mode 15 4 Alarm messages 15 5 Memory 17 5 1 Memory organisation 17 5 2 Two save modes 18 5 3 M...

Page 4: ...tration 27 6 5 Language 28 7 Calibrating Qulon coefficient determination 29 7 1 Coefficient from the producer s site 30 7 2 Measured discharge method 31 7 3 Method of average 33 7 4 Method of maximum 33 7 5 Method of battery history 34 8 Appendix test cable checking 35 9 Specifications 36 Warranty 37 ...

Page 5: ...pacity Memory for keeping test results helps user during testing large amount of batteries The battery capacity estimation is based on the de pendence between battery capacity and battery ability to con duct electric current Battery capacity indicator sends a test pulse to a battery and analyses the battery answer Qulon 12m utilises the most up to date method of battery capacity estimation taking ...

Page 6: ...ery under test is a source of possible danger Battery terminals shorted with any metal detail could cause burn or fire Please adhere to battery maintenance and service rules If battery under test is a part of high voltage battery system and battery test is conducted without battery disas sembly be especially careful Do not connect test clamps to several 12 volt batteries connected in series If suc...

Page 7: ...r of recorded results is 200 User is free to separate recorded results to as many as 26 groups If it is impossible to estimate battery capacity because of some reasons alarms are shown at the display There are two control buttons on the front panel to the left of display Right panel of Qulon is the place for test cable con nector Qulon is supplied with special test cables that use four wire Kelvin...

Page 8: ...these conditions are 20 hour dis charge time 20 o C discharge temperature and 1 75 V final battery voltage voltage limit at which discharge is considered to be complete 3 1 1 Dependence between battery capacity and discharge current Charge that a battery can deliver depends on the dis charge current discharge time If discharge current grows discharge time decreases the battery capacity decreases T...

Page 9: ...ing in formation on the degree to which the capacity is filled For example 33Ah battery can contain 33 A h if a battery is fully charged and 10 A h if the battery charge is not full Qulon 12m estimates capacity of fully charged battery and can be used to determine state of charge 3 1 3 Temperature dependencies While testing battery under low or high tem perature dependence of battery capacity from...

Page 10: ...ries The majority of lead acid batteries increase capacity after their first discharge charge cycles That is why while testing absolutely new batteries the batteries that never were charged or discharged you could get estimated capacity less then rated may be by 10 or 15 This is usual the battery will increase capacity after several cycles or several months under float charge 3 2 Battery capacity ...

Page 11: ...e dirty or oxidized clean them 3 2 3 Connection to a battery Battery capacity indicator Qulon 12m is supplied with special test cables that use four wire Kelvin connection to a battery Two halves of one red or black clamps are insulated from each other Verify that clamp halves do not have other connection with each other except battery terminal Observe polarity when connecting to a battery Con nec...

Page 12: ...ood Qulon sends an appropriate message to the screen see section 4 When such message appears disconnect clamps from terminals clean terminals and connect clamps once more Attention Qulon feeds from the battery under test To avoid battery discharge disconnect device from the battery after test 3 2 4 Battery state of charge Qulon 12m estimates capacity for fully charged bat teries only The battery u...

Page 13: ...age on the screen and begins the process of capacity estimation Attention Qulon feeds from the battery under test That is why the battery voltage shown on the screen can dif fer from the open circuit voltage measured by multimeter 3 2 5 Battery capacity estimation If a battery voltage is between 12 6 volt and14 volt Qulon automatically starts battery capacity estimation Capacity estimation needs t...

Page 14: ...n 5 2 The screen view is shown on the following figures de pending on chosen regime 3 3 1 Screen under save by default mode Figure 2 shows screen view for the case when save by default mode is chosen Left part of the screen contains icons describing button functions Menu enter press upper button to enter menu see section 5 Delete result press lower button to delete just saved result you will be as...

Page 15: ...ed to estimate capacity see section 6 4 Current group the group to which just received test result was saved memory organisation is described in sec tion 6 2 Number inside group the number of just received test result inside current group Memory cells free total number of test results that can be saved in memory not more then 200 Coefficient Menu enter Delete result Battery volt age Number inside ...

Page 16: ...roup on the screen The function of the lower button is changed Save result press lower button to save just received test result you will be requested for save confirmation Fig 3 Screen under save by command mode 4 Alarm messages Sometimes mainly if the battery is not properly pre pared for testing Qulon 12m fails to estimate capacity If this happens alarm message appears on the screen describing t...

Page 17: ...w 0 5 Ah Qulon can t estimate it Capacity high Battery capacity is too high may larger then 350 Ah Qulon can t estimate it Voltage low Battery is dis charged Charge battery in full and try once more Noise Large noise capacity estima tion is not possi ble If a battery is con nected to a charger disconnect it If you are working in a room with high level of electro magnetic noise change the place or ...

Page 18: ...the whole memory were empty the first test result recorded would be named A 1 Next test result recorded will have a name A 2 and so on User can close current group at any time In this case the next test result recorded will be the first in the next group which would be named in the alphabet or der e g B 1 The following memory operations are possible A Saving of test result just received save by co...

Page 19: ...e by default mode just received test result is saved automatically It can be erased by pressing lower button Under save by command mode just received test re sult is not saved automatically It can be saved by pressing lower button User can choose save mode with the help of options menu Chosen mode is valid for next tests until it is changed Under both modes saving is performed only if A Battery ca...

Page 20: ...clean all memory in order to start saving test results again 5 3 Main menu After the battery capacity was estimated or alarm message shown the user can come into the main menu by pressing the upper button If save by default mode is on user will be advised to erase just received test result The user can agree and the result will be erased or disagree and the result will be kept in memory before ent...

Page 21: ...fter entering item a question close group will ap pear If you answer yes by pressing upper button you will see the message Group X closed After it device goes to the main menu If you answer no by pressing lower button the device goes to main menu without closing group If you try to close the last group Z you will see a message no groups available All test results saved Enter menu item Cursor movem...

Page 22: ...esults After entering this menu item the screen view is as in figure 5 There is an A 1 test result shown on the screen Fig 5 Screen while viewing test results By pressing the upper button one can view the first test result of the next nonempty group Long pressing Group scrolling Estimated battery capacity Group name Coeffi cient Result scroll ing Result battery num ber inside group Battery voltage...

Page 23: ...emory clearing is irreversible action Thus all the results that have been saved in memory will be re moved and their restoration will be impossible Up to 200 test results can be stored in memory If you are going to save test results in memory it is necessary to correlate the number of empty memory cells with prospective quantity of batteries that you wish to test The number of empty memory cells i...

Page 24: ...upply Qulon 12m adjustment is described in the following chapter of the manual 6 Adjusting Qulon Qulon 12m is issued completely adjusted and can be used for lead acid batteries diagnostics right after purchases By manufacture Qulon 12m is adjusted as follows Save mode by default Calibrating coefficient k 1 00 Filtration basic filtering Language of messages English The user can change factory adjus...

Page 25: ...con M menu entrance to enter the main menu In the main menu press lower button three times to note last menu item Options and the top button to enter menu of adjust ments The view of options menu is presented in figure 6 Pressing lower button brings cursor to next line Pressing upper button enters the menu item specified by cur sor Fig 6 Options menu Enter menu item Cursor movement Cursor ...

Page 26: ... after the result is received Screen view for this save mode is shown in figure 2 If you want to delete just saved result press lower button you will be asked for delete confirmation You can press the top button yes the recorded result will be deleted or press the lower button no and the result will be kept in memory In the last case you will return to the screen of fig 2 6 2 3 Save by command If ...

Page 27: ... studied the present manual and who distinctly understands the sequence and probable results of the action Qulon 12m is calibrated at the factory with the use of average characteristics of 12 volt lead acid batteries Some specific battery may need some other calibration To diminish capacity estimation error user can recalibrate device for test ing of some specific battery type or confirm the valid...

Page 28: ...swer upper button you will see the screen with current coefficient Pressing upper button in creases coefficient you see the current value on the screen Pressing lower button decreases coefficient again you see on the screen the new value Holding button causes fast coefficient changing After the desired coefficient is on the screen disconnect Qulon from the battery The coefficient is saved in memor...

Page 29: ...ering off is made similarly Warning Advanced filtering needs time so the ca pacity estimation under this mode takes about 4 seconds Therefore do not use this mode if there is possibility to work with basic filtering Warning Advanced filtering influences the capacity estimation Therefore under this mode the estimated capacity may differ slightly from the value achieved under basic filter ing 6 5 La...

Page 30: ...firm the validity of factory calibration User can do Qulon 12m recalibration by changing the calibration coefficient Qulon 12m calculates the estimated battery capacity according to the following formula Е Е0 К where Е0 estimated capacity without user s correc tions К calibration coefficient When issued from the factory Qulon 12m has calibra tion coefficient К 1 To recalibrate Qulon 12m you need a...

Page 31: ...testing a group of batteries with Qulon see section 7 4 D Determine coefficient using method of battery his tory after testing batteries with Qulon see section 7 5 7 1 Coefficient from the producer s site Recommended coefficients for some battery types are placed in the Qulon producers Internet site www qulon com They are mainly received by comparing the estimated battery capacity and measured dis...

Page 32: ...his method is the most correct Nevertheless the accuracy of the method is strongly dependent on the accuracy of measured discharge Therefore you need to use a special device device set for measured discharge with the characteristics not worse then following discharge current stabilization error 3 or discharge current registration error 1 sampling rate 1 minute automatic cut off with cut off voltag...

Page 33: ...city using one of two formulas a for device set with stabilized current Em I T 1 where Em measured capacity A h I stabilized discharge current amperes T discharge time hours b for device set with current registration Em 0 T I t dt 2 where Em measured capacity A h I t current changing in time amperes t time T full discharge time hours Calculate calibration coefficient for your battery ac cording to...

Page 34: ... and write down the estimated capacity Calculate the average estimated capacity for the group Eav then calculate calibration coefficient for your battery according to formula К En Eav where En nominal battery capacity or capacity less then nominal appointed in view of deterioration of batteries 7 4 Method of maximum The method of maximum is applied if carrying out the measured discharge is impossi...

Page 35: ...ying out the measured discharge is impossible or inconvenient The method is based on the assumption that in the beginning of the battery service life right after the first connection of Qulon 12m to the bat tery the capacity of the battery is accepted known for ex ample it is considered that it is equal to nominal capacity During further service battery capacity estimated by Qulon 12m is compared ...

Page 36: ...ck them up using a digital tester as follows A Attach cable to Qulon 12m B Disconnect halves of both clamps from each other for example by installing a piece of cardboard or plastic be tween halves C Switch tester to a diode testing D Connect tester wires to the halves of black nega tive clamp you should have from 0 4 to 0 7 V in both direc tions E Switch tester to resistor testing F Connect teste...

Page 37: ...ge range for battery capacity estimation 12 6 to 13 9 В 4 Battery testing time under basic filtering mode up to 1 5 s 5 Powered from the battery under test 6 Test cable length 0 6 m 7 Weight 0 3 kg 8 Dimensions without cable 135 x 70 x 23 mm 9 Working temperature range from 10 to 35 o C 10 Humidity up to 95 without condensation 11 Display type graphical LCD ...

Page 38: ...by e mail and request the address for shipment The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or unauthor ized repair or modification The manufacturer is not being liable ...

Page 39: ... 38 Type Qulon 12m Serial number ___________________ Manufactured ____ ___________ 200__ Signature _______________________ ...

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