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ATP Electronics LBY-420, Instructions Manual

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ATP Electronics LBY-420 Instructions Manual Download Page 27

Cases

Fault causes

Unit turns off unexpectedly

√

Unit not used for more than 10 minutes

and automatically turns off into standby mode

Keypad button

has no effect when pressed

√

Some buttons only work when

selecting particular unit functions

×

Keypad or unit damaged or faulty

Measurement

reading always

shows zero RLU,

or is much lower

or high than

expected

√

Incorrect use of

√

CariScreen Swab

device

√

CariScreen Swab devices are out-of- date

√

Unit being used in an unstable environment

turn off unit and then back on again

√

Protective pocket dirty or severely scratched

×

Unit damaged or faulty

USB interface does not appear
working condition

√

inserted unit is incorrect

×

PC serial interface or system software

error

√

PC software installation error or select

error

×

wire or interface

damaged

×

Unit damaged or faulty

Summary of Contents for LBY-420

Page 1: ......

Page 2: ...ple of Operation 2 Preparation for Use 3 Basic Operation 4 Clock Setting 5 Result Thresholds 6 Sample Measurements and Test Results 7 Transferring the Test Results to PC 8 Instrument Beeps 9 Faults 10 Technical Parameters ...

Page 3: ...ble unit of light measurement but they can provide a real method to the ATP bioluminescent test In this application 1 RLU is roughly equivalent to 1fmol of ATP RLU value is compared with the result threshold set by user to offer an overall result which is pass caution or failed In order to ensure that you can get timely and accurate testing result by ATP bioluminescence detecting system please not...

Page 4: ... manual carefully and understood the system composition and method of application of this instrument Please confirm the integrity of the product you bought according to the elements notedin the user s manual mainfram front and back AA batteries or rechargeable batteries Data line ...

Page 5: ...nd serial number Battery compartment fit two AA batteries Up button check last test result and menu selection Down button check next test result and menu selection Start button start test Threshold set button set threshold Time set button set time Power on off button Power on off the instrument Special function button Special function such as enter delete interface ...

Page 6: ...Opening the lid reveals the following internal features Swab pocket insert ATP sampling swab Data interface transfer the data to PC by data cable ...

Page 7: ...Instrument indication ...

Page 8: ...e instrument is designed to operat from 2 AA batteries The batteries are fitted by openning the battery compartment cover on the back of the instrument and inserting two batteries with the positive end towards top of the instrument After fitting the batteries the instrument powers on automaticly and enters into clock setting mode Date and time setting is discribed in Section 4 Caution be careful n...

Page 9: ...display the startup picture Afterwards the instrument will perform an internal self calibration check programme for 30 seconds Tip If the clock is not set the instrument will enter the time and date set up mode firstly see section 4 and then perform its self calibration when the clock is set 3 2 Internal self calibration When the instrument is turned on see section 3 1 it performs an internal self...

Page 10: ...shing CAL icon under the following circumstances a When the instrument is in continuous operation for a prolonged period of time typically 30 minutes and b The instrument is used in an environment where the temperature changes significantly typically 5 If the E1 error code was showed in self calibration it means the the temperature is higher than operating temperature range and it may caused by th...

Page 11: ...range and c the instrument is damaged or in fault 3 3 Ready for use Once the instrument has successfully performed its self calibration it is ready to perform a measurement The detection procedure is discribed in Section 6 1 3 4 Power off the instrument Press the button The instrument will beep once and the display will go blank TIP the button is disabled while the instrument is ...

Page 12: ...se press the button 3 6 Low Battery Indicator The icon indicates the state of the batteries Not visible High Visible Low replace soon Flashing Flat replace now When the batteries are flat the unit will flash the icon beep three times and then automatically turn off TIP if the batteries are too flat the unit will not power on Store the instrument in a cool dry place when not in use as elevated temp...

Page 13: ...w value in turn TIP press button at any point will cancel this set up mode leaving the time and date unchanged When batteries are fitted firstly or replaced the instrument powers on automaticly and enters into clock set up mode Once the clock is set the unit will continue with its internal self calibration If the time is set incorrectly the instrument will beep once and display wrong time after th...

Page 14: ...f different testing sample For the details how to choose the thresholds please contact your local hygiene and epidemic prevention department or set your own thresholds 5 1 Changing the Thresholds Number With the instrument turned on and ready for a measurement the thresholds number can be changed by pressing the button and use the and buttons to change the flashing thresholds number then press the...

Page 15: ... first change the value of the upper threshold followed by the button and then to change the value of the lower threshold followed by the button to store the new values TIP Pressing the button at any point will exit this set up mode leaving both the thresholds number and thresholds value unchanged 6 Sample Measurements and Test Results 6 1 Sample Measurement With the instrument turned on and inter...

Page 16: ...han 95 of the memory the MEM icon will flash When the memory is completely full no more tests can be performed until the memory has been deleted or uploaded to the PC see to section 6 3 and 7 To perform a sample measurement follow the steps below 1 Activate the ATP swab 2 Ensure that the outside of the swab is clean and dry 3 Open the lid insert the swab into the instrument and close the lid ...

Page 17: ...r consistent results always keep the unit upright and steady while it is performing a measurement to ensure that the liquid in the ATP swab device is at the bottom of the tube When the measurement is complete the new test reading and pass caution fail result see section 5 are displayed When the icon flashes take out the swab and press the button and the instrument will get ready to the next measur...

Page 18: ...old Test result upper threshold TIP After measurement make sure to remove the swab to prevent the liquid leakage of swab and damage the instrument 6 2 Viewing Stored Test Results With the unit ready to perform a reading the previous stored test results can be viewed by pressing the and buttons ...

Page 19: ...n lit and the test number flashing Press the button to scroll backwards through the stored test results and the button to scroll forwards Press the button to view the time and date that the test was performed To exit the results review mode please press the button ...

Page 20: ...esults that will be deleted with the DELETE Icon flashing The delete function is completed by pressing and holding down the button for more than 2 seconds or can cancelled by pressing any other button 7 Transferring the Test Results to PC CD ROM data processing software which is randomly equipped can be used to upload the stored results to PC 7 1 Install transmission procedure software Insert CD i...

Page 21: ...lease open CD ROM folder from my computer then manually apply for installation After installing please press transmission shortcut key for transferring 7 2 Data transmission function Run transfer function by start button a dialogue box will be opened as follows ...

Page 22: ...rface on the cpomputer using USB cable provided by the unit 1 Connect one joint of cable to USB Mini interface 2 Connect the other joint of cable to USB port on the computer Next choose appropriate connection port from alternative menus ...

Page 23: ...you must install Microsoft Excel on the same computer thereby saving the results as Excel form The next step is naming the report The document name must be exclusive and the used document name can not be reused In the end press button to power on the instrument and then select the start button in PC programme to start the tranfer after self inspection ...

Page 24: ... saved in 1 min Warning Excel is forbidden during the transfer and saving of data for the possibility of destroying data After transfer done take off the data line and push back the black rubber lid to the in situ and the unit lid can be closed tightly 7 4 Document type of data results The transmissive detection results are saved on Excel document or text document see chapter 7 2 Document forms ar...

Page 25: ...pass 269 100 200 Focal monitoring 0188 6 6 05 07 16 24 2 Pass 126 150 400 The significance of the name of data region is as follows Unit No Unit serial number see the labels behind the instrument Testing serial number Testing No Date Date of operation detection Limit No Limit serial number for detection RLU RLUs reading detection result Lower limit Low set limit value Upper limit Upper set limit v...

Page 26: ...red Invalid program threshold limits entered 9 Faults In case of a fault it is generally caused by battery if the detector can not be turned on or turned off or unit turns off unexpectedly they are mainly caused by power off or loose battery if there is a detector whose battery is in good condition but it can not work normally please contact with manufacturer for solution The followings are the ty...

Page 27: ...shows zero RLU or is much lower or high than expected Incorrect use of CariScreen Swab device CariScreen Swab devices are out of date Unit being used in an unstable environment turn off unit and then back on again Protective pocket dirty or severely scratched Unit damaged or faulty USB interface does not appear working condition inserted unit is incorrect PC serial interface or system software err...

Page 28: ... RLUs Background value 2RLU Detection mode RLU or coliforms screening Number of settable limit more than 100 Storage size more than 2000 detection results USB interface the results can be transferred to PC computer Instrument dimensions W H D 192mm 87mm 34mm Instrument weight Battery included 265 g Range of operating temperature 5 40 Relative humidity range 20 85 Battery AA battery Resting state 2...

Page 29: ...ular cleaning 1 The limit values of the key points are as follows key point the first time the second time The third time The forth time The fifth time 1 Pollution 524 857 489 763 615 2 clean 10 15 8 19 10 3 Strict clean 4 3 0 2 1 After the reference data of the key points is collected the following operations can be used to obtain the RLU standards for the passing warning and failure of the routi...

Page 30: ...ning value Pass standard 12 Caution Standard 13 to 25 Fail standard 26 Third the recommended limit value setting When the instrument is first used we have a set of recommended universal limits These limit values are determined according to GB T4789 2 2003 Food Hygiene Microbiological Test Total Number of Colonies which is determined by SAS statistical software analysis to determine the total numbe...

Page 31: ...ng apparatus stainless steel 8 30 Packaging material cheese stainless steel 8 30 Cutter meat stainless steel 8 30 Cutter cheese stainless steel 8 30 Preparation table stainless steel 8 30 Auxiliary tools such as pliers stainless steel 8 30 ...

Page 32: ...rd plastic 15 30 Preparation table stainless steel 15 30 Salad bowl plastic 15 30 Barbecue product counter material pass Fail Chicken fork stainless steel 15 30 Preparation table stainless steel 15 30 Service area 15 30 oven stainless steel 15 30 ...

Page 33: ...tion table stainless steel 15 30 Working surface stainless steel 15 30 Auxiliary tools such as a ladle stainless steel 15 30 Sandwich preparation area material pass fail Knife stainless steel 15 30 Working surface stainless steel 15 30 Preparation board plastic 15 30 ...

Page 34: ...e stainless steel 15 30 Mincer stainless steel 15 30 Working surface stainless steel 15 30 Weighing apparatus stainless steel 15 30 Fish material Pass Fail Chopping board plastic 30 100 Preparation table stainless steel 15 30 Knife stainless steel 15 30 ...

Page 35: ...Pizza material Pass Fail Spice pot stainless steel 15 30 Working surface stainless steel 15 30 Preparation table 15 30 ...

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