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Programming the automatic sampling

36

5.1.5

Sampling pause

During the specified SAMPLING PAUSE no sample is taken. With the
TIME RELATED BOTTLE FILLING, this means that the time between
2 bottle changes is increased.

The interval between two bottle fillings (INTERVAL) is only affected by
this if a filling is to take place in a Sampling pause. In this case, the next
filling takes place after the sampling pause.

With the SAMPLE RELATED BOTTLE FILLING, the SAMPLING
PAUSE has no function.

Calculation

Sampling pause = Interval between bottle changes - Filling time per bottle

In the SAMPLING PAUSE menu, enter 5 Min.

No sampling takes place in the first 5 minutes after each bottle change.

Given:

Number of sample bottles:
Bottle volume:
Time between bottle changes:
Filling time per bottle:
Interval:

24
1000 ml
65 min
60 min
8 min

Calculated:

Sampling pause:

65 min - 60 min =

5 min

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Содержание PB 150

Страница 1: ...ba74107e03 03 01 Sampler PB 150 Operating manual Sampler PB 150 ...

Страница 2: ...instru ment Also we cannot guarantee that there are absolutely no errors in this manual Therefore we are sure you will understand that we cannot accept any legal claims resulting from the data figures or descriptions Password The default password is 6299 Copyright Weilheim 2000 WTW GmbH Co KG Reprinting even as excerpts is only allowed with the explicit written authorization of WTW GmbH Co KG Weil...

Страница 3: ...ructions 20 3 Commissioning 23 4 Principle operation 27 4 1 Display 28 4 2 Keys 29 5 Programming the automatic sampling 31 5 1 Determining the nominal values 31 5 1 1 Tasks and requirements 32 5 1 2 Interval 33 5 1 3 Number of samples per bottle 34 5 1 4 Dosing volume 35 5 1 5 Sampling pause 36 5 2 Sample programming 37 5 2 1 Tasks and requirements 37 5 2 2 Calculations 37 5 2 3 Inputs in the menu...

Страница 4: ...gs 65 7 4 1 Entering the password 66 7 4 2 Prepurging 67 7 4 3 Postpurging 68 7 4 4 Aeration time 69 7 4 5 Maximum suction time 70 7 4 6 Pinching valve open 71 7 4 7 Conductivity 72 7 4 8 Pinching valve pause 73 7 4 9 Pump speed 74 7 4 10 Pinching valve power 75 7 4 11 Valve system power 76 7 4 12 Pulse duration 77 7 4 13 Changing the password 78 8 Cleaning maintenance disposal 79 8 1 Cleaning 79 ...

Страница 5: ... the program 92 11 1 3 Program start 94 11 1 4 Manual operation 94 11 1 5 Settings 94 11 1 6 Service menu 95 11 2 Default settings 96 11 3 Circuit diagrams 97 11 4 Dimensions of stationary sampler PB 150 101 11 5 Accessories 102 11 6 Spare parts 105 12 Index 107 ...

Страница 6: ...List of contents 6 ...

Страница 7: ...g to time flow and events The sample volume can be set in a range of 20 to 350 ml Sampling is performed pneumatically using a membrane pump pres sure vacuum to a suction depth of approx 7 m from the dosage vessel The sample is dosed into the sample bottles via a distributor Note Information on accessories is given in the WTW catalog ONLINE INSTRUMENTATION or via the Internet ...

Страница 8: ...number depends on the model l 5 m suction hose l Hose end piece l Operating manual 1 2 Components of the sampler 1 Operation unit with operation field 2 Rotary distributor 3 Dosage unit 4 Door of the control unit compartment 5 Sample bottles 6 Door of the sample compartment 1 3 2 5 4 6 ...

Страница 9: ...eld At the operation field you make all the important settings and start the sampling The display shows the current state of the sampler It also informs you about the current settings Using the keys you operate the sampler 1 Display 2 Keypad 1 2 ...

Страница 10: ...erface to connect the sampler to a PC can be connected to the circuit board or to external plug in connectors according to requirements 1 Terminal box with armored thread joints Ground cable Mains connection shockproof socket Signal connector 1 ...

Страница 11: ...f the sampler next to the operation unit 1 Hose connector of the dosage tube 2 Air connection 3 Fixing screw for the dosage tube 4 Sealing 5 Packing ring 6 Coupling ring 7 Electrodes 8 Dosage tube 9 Duran 50 dosing glass 10 Silicone drain tube 11 Motive squeezing valve ...

Страница 12: ...ontrols the positions When the next sample bottle is to be filled the sampler always runs via position 1 first 1 2 4 Membrane pump The membrane pump to create pressure or vacuum is located within the operation unit The membrane pump used has proved its worth in samplers for many years and has a high efficiency min suction height 6 0 m 1 Distributor plate with rotary distributor 2 Sample bottles 3 ...

Страница 13: ...on maintenance free and wear resisting None of its components touches the sample medium water waste water 1 Exit to the pump vacuum 2 Squeezing rolls 3 Exit to the dosage unit 4 Exit to the pump pressure 5 Exit to the air filter 1 4 2 3 5 Pressure twist direction Vacuum twist direction ...

Страница 14: ...the sample reaches the electrodes conductive fill ing level measurement via the conductivity of the medium the membrane pump is switched off 3 Adjusting the sample volume The valve system switches to pressure The membrane pump creates a pressure in the dosage vessel This pressure displaces the superfluous sample from the dosing glass The sample quantity is adjusted to the height of the dosage tube...

Страница 15: ...th digital flow signal l Sampling according to events example if the measured value is above or below the limit value a signal is transmitted to the sampler l Combined sampling according to time or flow and according to events 1 4 1 Sampling according to time Samples are taken at regular intervals e g every 10 minutes The dosing volume of the individual samples remains the same Example Setting in ...

Страница 16: ...plings in case of the maximum analog flow signal puls es time unit is fixed The dosing volume of the individual samples remains the same In case of maximum flow a digital flow counter sends e g 1000 pulses per hour setting at the flow counter analog signal the frequency of the sampling corresponds to the strength of current that occurs digital signal the frequency of the sampling corresponds to th...

Страница 17: ...vents a flow counter and a measuring instrument e g a pH meter are required additionally During a defined event e g when the measured value is above or below the limit value this measuring instrument sends a signal to the sampler Example Setting in the menu Event interval 3 min Result During an event a sample is taken every 3 minutes When the criterion for the event is no longer met the measuring ...

Страница 18: ...Overview 18 ...

Страница 19: ...served to avoid possibly great danger for people Caution indicates notes that have to be exactly observed to avoid possible slight injuries or damage to your instrument or the environment Further notes Note indicates notes that draw your attention to special features Note indicates cross references to other documents e g operating manu als 2 1 Authorized use The sampler is authorized exclusively f...

Страница 20: ... transported from a cold environment to a warm envi ronment the formation of condensate can lead to the faulty functioning of the sampler In this event wait until the temperature of the sampler reaches room temperature before putting the sampler into operation Warning If the sampler is used in areas that are biologically or chemically contaminated there is danger to health In this case observe the...

Страница 21: ...must ensure that the following laws and guidelines are observed when using dangerous substances l EEC directives for protective labor legislation l National protective labor legislation l Safety regulations l Safety datasheets of the chemical manufacturers Qualification of the operating personnel The personnel responsible for commissioning operation and mainte nance must have the necessary qualifi...

Страница 22: ...Safety 22 ...

Страница 23: ... the faulty functioning of the instrument Before commissioning wait until the sampler has adapted itself to the different environment see also chap ter 10 TECHNICAL DATA Perform the following activities l Prepare the sampler l Adjust the dosing volume l Connect the suction hose l Connect the mains plug l Position the distributor arm l Start the sampling The steps are described in detail on the fol...

Страница 24: ...ning 24 Preparing the sampler 1 Place the sampler on a hard flat surface in the vicinity of the sampling location 2 Open the door to the samples compartment 3 Put the sample bottles into the samples compartment ...

Страница 25: ... between 20 and 350 ml 2 1 8 Use the fixing screw 1 to fasten the dosing pipe 2 9 Lay the suction hose from the instrument to the sampling loca tion at an incline as otherwise deposits can form in the hose 10 Secure the intake opening of the suction hose sampling tube in the direction of the flow This largely avoids any blockage of the suction opening 11 Screw the suction hose to the dosage tube D...

Страница 26: ...Plug the mains plug into the mains socket By doing so the sampler is switched on 14 Using 82 scroll to the MANUAL MODE menu 15 Using g open the MANUAL MODE menu 16 Using 82 select the menu item DISTRIBUTOR 17 With g confirm the DISTRIBUTOR menu item The distributor arm automatically goes to position 1 18 Start a single sampling see section 6 1 SINGLE SAMPLING or Set up the automatic sampling see s...

Страница 27: ... field The individual steps and settings are shown on the display The basic operation courses comprise l Programming the sampling according to time flow or events see chapter 5 PROGRAMMING THE AUTOMATIC SAMPLING l Starting the sampling or a sampling program see chapter 6 SAMPLING l Changing system settings see chapter 7 SERVICE MENU An overview of the total menu of the sampler can be found in sect...

Страница 28: ...To select a submenu Activate the selection Using g activate the active selection A flashing cursor appears in front of the selected menu item marked by Using ud change the selection Using g confirm the selection or Using ud display the next menu Menu with submenu Call up the displayed menu Using g open the displayed menu or Using ud display another menu Menu with value to be set To change the disp...

Страница 29: ...hin one line 2 e key cancel the input change to the next higher menu level cancel the automatic sampling 3 Arrow keys lr select a menu move the cursor within one selection change values 4 g key modify a menu or numeric value confirm input values confirm the selected menu 1 2 4 3 ...

Страница 30: ...Principle operation 30 ...

Страница 31: ...mber Manipulating the selected program l Selecting the sampling mode see section 5 3 2 according to time according to flow according to events l Selecting the program settings see section 5 3 6 Bottle dependent settings Combined programming for the sampling according to events Program start Program repetition 5 1 Determining the nominal values Before starting the sampler programming it is useful t...

Страница 32: ... for an hour each Determined To be calculated l Interval or dosing volume filling according to time l Samples per bottle or dosing volume filling according to samples l Sampling pause In the MODE menu select TIME In the TIME PER BOTTLE menu enter 60 Min In the BOTTLE VERSION menu select the setting 24 x 1 0 Ltr In the SAMPLING PAUSE menu enter 0 Min Number of bottles 1 Volume of a bottle 1000 ml F...

Страница 33: ... a possible overfilling of the bottles with fixed dosing volume Calculation Interval Filling time per bottle Samples per bottle 2 Samples per bottle bottle volume dosing volume total Interval Filling time per bottle bottle volume dosing volume 2 In the INTERVAL menu enter 9 min Samples are taken at intervals of 9 minutes Given Number of sample bottles Volume of a sample bottle Time between bottle ...

Страница 34: ...mber of SAMPLES PER BOTTLES by 2 and round off to the next smaller whole number This prevents a possi ble overfilling of the bottles with fixed dosing volume Calculation Number of samples per bottle bottle volume dosing volume 2 In the SAMPLES PER BOTTLE menu enter 7 Each time after 7 samplings the bottle is changed Given Number of sample bottles Volume of a sample bottle Time between bottle chang...

Страница 35: ...ith fixed number of samples per bottle Calculation Dosing volume Bottle volume Samples per bottle 2 Set the dosing volume at the dosage vessel see SETTING THE DOSING VOLUME PAGE 25 With each sampling the specified sample quantity is filled into a sample bottle Given Number of sample bottles Bottle volume Time between bottle changes Filling time per bottle Sampling pause Interval 24 1000 ml 60 min ...

Страница 36: ...pling pause In this case the next filling takes place after the sampling pause With the SAMPLE RELATED BOTTLE FILLING the SAMPLING PAUSE has no function Calculation Sampling pause Interval between bottle changes Filling time per bottle In the SAMPLING PAUSE menu enter 5 Min No sampling takes place in the first 5 minutes after each bottle change Given Number of sample bottles Bottle volume Time bet...

Страница 37: ...ime and interval 60 min 1h bottle filling time 10 min interval 6 Up to 6 samples have room in a bottle B Dosing volume The dosing volume is calculated as follows The maximum number of samples calculated here 6 and 2 additional samples should have room in one bottle Consequently to calculate the dosing volume 8 samples are used 1000 ml 8 samples 125 ml per sample For safety reasons the result is ro...

Страница 38: ...MODE menu select TIME In the TIME PER BOTTLE menu enter 60 MIN In the BOTTLE VERSION menu select 24 x 1 0 Ltr In the BOTTLE FILLING menu select TIME RELATED In the INTERVAL menu enter 10 MIN In the SAMPLING PAUSE menu enter 0 MIN In the PROGRAM START menu select AT ONCE In the PROGRAM CYCLE menu enter 999 permanent operation ...

Страница 39: ...ogram number 5 Using ud switch to the PROGRAM NO 0X menu 6 Press g The cursor appears in front of the selection 7 Using ud move the cursor to the menu item EDIT 8 Press g The password query appears 9 Press g The cursor appears on the password 10 Using ud set the first number of the password default pass word 6299 11 Using lr move to the next number of the password 12 Using ud set the required numb...

Страница 40: ...ou set the interval for the sampling according to time 1 Switch to the mode menu see section 5 3 1 SELECTING THE PROGRAM 2 Press g The cursor appears in front of the selection 3 Using ud move the cursor to the required menu item and with g confirm ACCORDING TO TIME see section 5 3 3 ACCORDING TO FLOW see section 5 3 4 ACCORDING TO EVENTS see section 5 3 5 1 Press g A cursor appears on the displaye...

Страница 41: ...e flow counter Analog 0 20 mA analog input signal of 0 20 mA The range depends on the output signal of the flow counter 1 Press g The cursor appears in front of the selection 2 Using ud move the cursor to the required menu item e g ANALOG or DIGITAL 3 Using g confirm the selected menu ANALOG The SAMPLES PER HOUR menu opens go on with SAMPLES PER HOUR DIGITAL The PULSE DIVIDER menu opens 4 Press g ...

Страница 42: ... into one bottle in the FLOW mode 7 Press g A cursor appears on the displayed value 8 Using ud and lr increase or decrease the value 9 Using g confirm the displayed value The SAMPLES PER BOTTLE MAXIMUM menu opens up 10 Press g A cursor appears on the displayed value 11 Using ud and lr increase or decrease the value 12 Using g confirm the displayed value The BOTTLE FILLING menu opens see section 5 ...

Страница 43: ...vents Interval Here you set the sampling interval for the event sampling 13 With g confirm the displayed interval The cursor appears in front of the selection 14 Using ud and lr increase or decrease the value 15 Using g confirm the displayed value The BOTTLE FILLING menu opens see section 5 3 6 FINISHING THE PROGRAM ...

Страница 44: ... number of minutes l sample related bottle change The bottle is always changed after the speci fied number of samplings 1 Press g The cursor appears in front of the selection 2 Using ud move the cursor to the required menu item and with g confirm ACCORDING TO TIME The TIME PER BOTTLE menu opens ACCORDING TO SAMPLE The PROGRAM START menu opens continue with SAMPLES PER BOTTLE 3 With g confirm the d...

Страница 45: ...rst time after 15 min at 10 00 a m Next bottle change Here you specify at which time the first bottle will be filled with FIXED TIME FOR BOTTLE CHANGE only Bottle 1 08 00 a m 10 00 a m Bottle 2 10 00 a m 12 00 p m etc etc 6 Press g The cursor appears in front of the selection 7 Using ud select YES or NO 8 Using g confirm YES or NO NO The BOTTLE VERSION menu opens continue with BOTTLE VERSION YES T...

Страница 46: ...e displayed value 13 Using ud and lr increase or decrease the value 14 Using g confirm the displayed value The BOTTLE VERSION menu opens continue with BOTTLE VERSION 15 Press g The cursor appears in front of the selection 16 Using ud move the cursor to the required number of bottles 17 Using g confirm the selected number of bottles The LAST BOTTLE menu opens 18 Press g A cursor appears on the disp...

Страница 47: ...g period Event sampling Bottle filling time Here you specify the event related filling time per bottle 21 Press g A cursor appears on the displayed value 22 Using ud and lr increase or decrease the value 23 Using g confirm the displayed value The EVENT SAMPLING menu opens 24 Press g The cursor appears in front of the selection 25 Using ud select YES or NO 26 Using g confirm the displayed value YES...

Страница 48: ...layed value The EVENT INTERVAL menu opens 30 Press g A cursor appears on the displayed value 31 Using ud and lr increase or decrease the value 32 Using g confirm the displayed value The PROGRAM START menu opens 33 Press g The cursor appears in front of the selection 34 Using ud select DELAYED example 35 Using g confirm the selection AT ONCE The PROGRAM CYCLES menu opens continue with PROGRAM CYCLE...

Страница 49: ... opens 0 the program stops after one course 1 998 The program is repeated as often as specified 999 the program is repeated unlimited 39 Press g A cursor appears on the displayed value 40 With ud increase or reduce the value 41 Using lr move to the next number 42 With ud increase or reduce the value Complete the number of program cycles 43 Using g confirm the selection The programming is finished ...

Страница 50: ...Programming the automatic sampling 50 ...

Страница 51: ...samples are taken automatically according to the program set up and selected Starting the sampling directly after the programming in the CHANGE PROGRAM MENU Starting the sampling at a specified time delayed sampling in the CHANGE PROGRAM MENU Starting the sampling in the main menu PROGRAM NO X 1 Place the sampler on a flat surface and protect it from intense light and heat 2 Connect the mains plug...

Страница 52: ...ion 3 Using ud move the cursor to the menu item DISTRIBUTOR 4 With g confirm the DISTRIBUTOR menu The rotary distributor moves to the bottle position 1 5 Using g confirm changing the displayed menu The cursor appears in front of the selection 6 Using ud move the cursor to the menu item SAMPLING 7 Press g The sampling is started While the sampling is performed the display shows MANUAL SAMPLE IN PRO...

Страница 53: ...n 5 3 1 SELECTING THE PROGRAM Selecting the program 1 Program No 2 2 Sampling according to flow with digital input signal 3 Pulse divider 1 each pulse triggers a sampling 4 Filling time 1 min 1 Using ud scroll to the PROGRAM NO X display in the main menu 2 Press g The cursor appears on the program number 3 Using ud increase or decrease the program number 4 Using g confirm the selection 5 Using ud ...

Страница 54: ...rmation and functions are offered Information about the active program Information about the current input signals Information about events during the course of the program corresponds to the INFO MEMORY in the SERVICE MENU Starting the authority program Starting a single sampling Setting the distributor to position 1 or to the next bottle 6 Press g The cursor appears in front of the selection 7 U...

Страница 55: ...rs 2 Press g The cursor appears in front of the selection 3 Using ud move the cursor to YES 4 Press g The program has been canceled The display confirms with the message CANCELED PLEASE WAIT 1 Press g The program has been interrupted The PROGRAM NO 0X PAUSE menu opens 2 Option Using ud switch to other menus 1 Using ud switch to the PROGRAM NO 0X PAUSE menu 2 Using g continue the automatic sampling...

Страница 56: ... 2 Using ud switch to the PROGRAM NO 0X menu 3 Press g The cursor appears in front of the selection 4 Using ud select the DISTRIBUTOR menu 5 Press g The cursor appears in front of the selection 6 Using ud determine the new position of the distributor NEXT BOTTLE next bottle FIRST BOTTLE Bottle on position 1 7 Using g confirm the selection The distributor moves to the new position When the new posi...

Страница 57: ...o a new bottle you can set the distributor to a new bottle or exchange the bottles before taking the sample After the sampling is finished the display shows the PROGRAM NO 0X menu again 1 Using g stop the automatic sampling 2 Using ud switch to the PROGRAM NO 0X menu 3 Press g The cursor appears in front of the selection 4 Using ud move the cursor to SAMPLE 5 Using g confirm the selection A single...

Страница 58: ...rities program the sampler changes the bottles While doing so the sampler observes the number of samples per bottle that was set After the Authorities program is finished the display shows the PROGRAM NO 0X menu again 1 Using g stop the automatic sampling 2 Using ud switch to the PROGRAM NO 0X menu 3 Press g The cursor appears in front of the selection 4 Using ud move the cursor to SAMPLE 10 5 Usi...

Страница 59: ...ate the membrane pump pinching valve and valve system l display a list with all system messages l display the present input signals l display and modify system settings 7 1 Calling up the service menu 1 Using ud scroll to the SERVICE MENU display in the main menu 2 Press g The service menu is opened The first selection appears on the display see section 7 2 1 ...

Страница 60: ...e service menu see section 7 1 CALLING UP THE SERVICE MENU 2 Using ud change to the MEMBRANE PUMP menu 3 Press g The cursor appears in front of the selection 4 Using ud move the cursor to ON 5 With g confirm the setting The membrane pump is switched on 6 Using gg switch off the membrane pump 7 Using ud switch to the next selection menu or Using e leave the service menu ...

Страница 61: ...front of the selection 4 Using ud move the cursor to OPEN or CLOSE or OFF 5 With g confirm the setting OPEN CLOSE The motor to turn the pinching valve to the left or right is switched on OFF The motor to turn the pinching valve is switched off The pinching valve remains in the present position 6 Using gg stop the rotation of the pinching valve corresponds to confirming the OFF setting 7 Using ud s...

Страница 62: ...ion 7 1 CALLING UP THE SERVICE MENU 2 Using ud switch to the VALVE SYSTEM menu 3 Press g The cursor appears in front of the selection 4 Using ud move the cursor to the required setting 5 With g confirm the setting The valve system moves to the required direction 6 Using gg stop the valve system 7 Using ud switch to the next selection menu or Using e leave the service menu ...

Страница 63: ...r the filling level electrodes are bypassed l analog flow signal displayed in mA e g 12 a current of 12 mA flows at the analog input l Event a number without dimension is displayed 0 there is no event signal 1 there is an event signal l digital flow signal a number without dimension is displayed 0 there is no flow signal 1 there is a flow signal 1 Call up the service menu see section 7 1 CALLING U...

Страница 64: ...ORY is automatically cleared when a program is start ed 1 Call up the service menu see section 7 1 CALLING UP THE SERVICE MENU 2 Using ud switch to the INFO MEMORY menu 3 Press g A list of all error messages with date and time appears 4 Using ud scroll in the list 5 Using e leave the list 6 Using ud switch to the next menu ...

Страница 65: ...es l Pinching valve pause duration l Pump speed in of the maximum speed l Pinching power in of the maximum power l Valve system power in of the maximum power l Pulse duration of the digital flow system duration l Changing the password Note A list of the default settings can be found in section 11 2 1 Call up the service menu see section 7 1 CALLING UP THE SERVICE MENU 2 Using ud switch to the SAMP...

Страница 66: ...e menu see section 7 1 CALLING UP THE SERVICE MENU 2 Using ud switch to the SAMPLING CYCLE EDIT menu 3 Press g The password query appears 4 Press g The cursor appears on the password 5 Using ud and lr set the password Continue to complete the password default password 6299 6 Using g confirm the password entered The first system setting opens ...

Страница 67: ...up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the PRE PURGE menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the next setting ...

Страница 68: ...e postpurging can be switched off setting to 0 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the POST PURGE menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the next setting ...

Страница 69: ...place excess sample in the dosage tube 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the AERATION TIME menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the next setting ...

Страница 70: ...e is over the suction procedure is automatically terminated If also the second sampling effort does not take in water this causes the ERROR CLOGGED error message see section 9 1 ERROR MESSA GES IN THE DISPLAY The running program is not interrupted by the error 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the MAX SUCTION TIME menu 3 Press g A cursor appear...

Страница 71: ... to correct the runback time if the valve is not posi tioned exactly straight 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the PINCH VALVE OPEN menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the ne...

Страница 72: ...gnition of aqueous samples The sensitivity of the conductivity electrodes is a value without dimen sion Note If the sensitivity is too low the tubing system may be flooded If the sensitivity is too high this may cause a permanent signal and prevent sampling 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the CONDUCTIVITY menu 3 Press g A cursor appears on th...

Страница 73: ...the valve opens completely Here you set the duration of the 1 3 opening 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the PINCH VALVE PAUSE menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the next se...

Страница 74: ...of the pump If the pump speed is set too low the required suction height may not be reached 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the PUMP SPEED menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch t...

Страница 75: ...d The power of the pinching valve is given in 1 Call up the service menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the PINCH POWER menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the next setting ...

Страница 76: ...rvice menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the VALVE POWER menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the next setting ...

Страница 77: ...ice menu see section 7 4 1 ENTERING THE PASSWORD 2 Using ud scroll to the DURATION DIGITAL PULSE menu 3 Press g A cursor appears on the displayed value 4 Using ud and lr increase or decrease the value 5 Using g confirm the value The new value has been set the cursor has disappeared 6 Using ud switch to the next setting ...

Страница 78: ...ERING THE PASSWORD 2 Using ud scroll to the CHANGE PASSWORD menu 3 Press g The cursor appears on the password 4 Using ud and lr enter the password 5 Using g confirm the value The password has been changed 6 Using e leave the CHANGE PASSWORD menu 7 Using e leave the SAMPLING CYCLE EDIT menu 8 Using e leave the SERVICE MENU ...

Страница 79: ... the sampling we recommend to regularly clean all parts that come into contact with the sample solution These are l Dosing glass l Electrodes l Distributor l Suction hose l Lower part of the casing Warning The operation unit of the instrument must only be opened for the work described in this chapter Additional work must only be performed by a specialist authorized by WTW Non compliance with this ...

Страница 80: ...nnect the instru ment from the electrical supply line 8 2 1 General information The following maintenance work may be necessary for the sampler l Replacing the dosage tube l Replacing the pump l Replacing the fuses 8 2 2 Replacing the dosage tube The dosage tube 1 connects the dosage vessel 2 to the rotary distributor in the intermediate bottom 1 Open the holder for the dosage vessel 2 Remove the ...

Страница 81: ...vice department 8 2 4 Replacing the fuses The main fuse of the sampler 1 is in the terminal box The fuse for the mains 2 is in the control unit housing The fuse for the control unit 3 is in the control unit housing The fuse of the CPU circuit board 4 is on the CPU circuit board in the door of the control unit housing If you have questions concerning the replacement of fuses contact the WTW service...

Страница 82: ...2 8 3 Disposal Housing with operation unit Clean the housing and the operation unit and dispose of them at a suit able collection point 1 Mains fuse 230 V T 1 6 5x20 2 Control unit fuse 12 V 7 5 A 1 Fuse of the CPU T 0 5 A 5x20 2 1 1 ...

Страница 83: ...ng to the programming Error LEVEL CONTROL If this message is displayed immediately after the start of the suction the filling level electrodes are contaminated Possible cause Remedy Suction hose is not in the water No water available Immerse the suction hose into water Suction hose clogged Clean the suction hose Possible cause Remedy The conductivity can no longer be measured Clean the electrodes ...

Страница 84: ... is available again the sampler continues sampling where it should be according to the program cycle Bottle changes that were left out are made up Possible cause Remedy The rotary distributor cannot find the position 1 while synchronizing The next position is not reached during the bottle change Remove the blocking of the distributor arm Possible cause Remedy Voltage failure during a running progr...

Страница 85: ... Check the fuses and if necessary replace them Chapter 8 2 4 Display defective Has to be replaced by the WTW service department Possible cause Remedy EPROM or EEPROM defective Has to be replaced by the WTW service department Fuse defective Check the fuses and if necessary replace them Chapter 8 2 4 Possible cause Remedy The instrument was not initialized after replacing the Eprom Initialize the sy...

Страница 86: ... coupling ring and dosage tube Leakage in the system Check the silicone hoses for leaks Pump membrane defective Have the pump replaced by the WTW service personnel The filling level electrodes are bypassed Clean the electrodes Faulty programming Correct the setting Individual parameters have been set up faulty in the service menu Check the values Suction hose is not in the water Check the position...

Страница 87: ...or connection and maintenance work Height mm 1300 Width mm 710 Depth mm 660 Weight kg 90 Storage 25 C 50 C Operation 20 C 40 C Power supply 230 V 50 Hz 2 5 A min fuse protection 10 A 1 5 m cable with shockproof plug Power consumption approx 250 VA Load 50 Ohm Mains Fine wire fuse in the power unit 230 V T 1 6A 5x20 Instrument Fine wire fuse 230 V T 8A 5x20 Control unit Blade type fuse in the power...

Страница 88: ...to 350 ml with motive pinching valve Independent 3 point control system with neutral zone for cooling and heating the samples compartment to 4 C overheating protection Oil free membrane pump 12 V DC 4 A 7 0 m suction height 1 bar pressure motive valve system for switching between pressure vacuum ventilation medium suction speed with ID 12 mm suction hose and 5 m suction height 06 cm sec 1 x 50 L P...

Страница 89: ...open contact pulse duration 50 ms voltage on the control side 12 V Pulse divider automatic input of max sample quantity h Input for event signal analog 0 4 20 mA load 50 Ohm digital potential free normally open contact pulse duration 50 ms voltage on the control side 12 V External status messages Optional Assignment analog 1 2 digital 3 4 according to events 3 5 x 1 2 3 4 5 6 7 x ...

Страница 90: ...Technical data 90 ...

Страница 91: ...Appendix 91 11 Appendix 11 1 Menu tree 11 1 1 Main menu level START DISTRIBUTOR EDIT see section 11 1 2 see section 11 1 3 the sampling starts see section 11 1 3 see section 11 1 3 see section 11 1 6 ...

Страница 92: ...Appendix 92 11 1 2 Changing the program Continued on the next page EDIT FLOW Main menue Main menue TIME EVENT DIGITAL ANALOG ...

Страница 93: ...Appendix 93 Changing the program continuation Main menu TIME RELATED SAMPLE RELATED YES NO VERZÖGERT AT ONCE ...

Страница 94: ...Appendix 94 11 1 3 Program start 11 1 4 Manual operation 11 1 5 Settings START Main menu Main menu PAUSE DISTRIBUTOR Main menu Main menu NEXT BOTTLE FIRST BOTTLE Main menu Main menu ...

Страница 95: ...Appendix 95 11 1 6 Service menu Main menu ...

Страница 96: ...g the EPROM Contact the WTW service department for this Designation Default setting specified in 1 10 s and in Customer setting date PREPURGING before sampling 50 5 s POSTPURGING after sampling 000 0 s AERATION TIME 50 5 s MAX SUCTION TIME 600 60 s PINCH VALVE OPEN 28 2 8 s CONDUCTIVITY 288 PINCH VALVE PAUSE 30 3 s PUMP CAPACITY 20 PINCH VALVE POWER 70 VALVE SYSTEM POWER 60 ...

Страница 97: ...Motor Ventilsystem Quetschventil Pumpe Kühlmaschine Steuerung M Füllstand Ereignis 0 4 20 mA 12 V L N PE PE Relais 4 St für Meldung Option PE N PE PE N N L L N 3 9 0 4 20mA Ereignis Thermostat Lüfter II Lüfter I Heizung Kühl maschine 12 V Netzteil Füllstandsmesser 230 V 50 Hz Meldungen Zuleitung 230 V Steckdose Kühlmaschine J ...

Страница 98: ...1 M M M J X5 X6 F2 F3 1 6A 7 5A 0V T2 H3 H1 M5 M4 12V X13 F1 8A X1 X9 2 0 S3 S4 X3 N PE bl br L 1 1 2 4 S1 sw X1 X14 X15 1 2 0 H2 Option Netzstecker Umluftlüfter Schutzheizung Heizung Thermostat Kühlmaschine Ablüfter L N PE M6 ...

Страница 99: ...2 33 34 35 36 37 38 39 40 41 42 43 45 44 46 1 SAT X4 X5 X6 S4 4 5 X4 X5 A Winkelcodierer F2 SI T G1 1 2 X3 23 24 25 5V 12V 3 1 2 M _ M _ M _ M _ Ladebuchse Akku Lichtschranke Signaleingänge Verteilerantrieb Quetschventil Ventilsystem Membrankompressor Füllstandselektroden analog analog com digital Ereignis ...

Страница 100: ... L L F1 Melderelais Option Signaleingänge analog digital Ereignis 2 4 4 3 5 6 X1 N N PE PE 1 2 3 4 5 6 K1 K2 K3 K4 A2 A1 A2 14 11 12 14 11 12 14 11 12 14 11 12 A2 A1 A2 A2 A1 A2 A2 A1 A2 analog Ader Nr 1 analog Ader Nr 4 com digital Ereignis ...

Страница 101: ...Appendix 101 11 4 Dimensions of stationary sampler PB 150 ...

Страница 102: ...B150 000 738 Signal overvoltage protection only with model EE PB150 EEÜS PB150 000 739 Message outputs Message Distributor relaying ML1 PB150 000 744 Message Program active ML2 PB150 000 745 Message Sampling ML3 PB150 000 746 General malfunction message ML4 PB150 000 747 PC software to communicate via RS232 SF1 PB150 000 750 Containers and bottles Model Order no 1 0 L Duran 50 glass bottle with ou...

Страница 103: ...ice for mounting of suction hose for PB 150 EV PB150 000 723 Sample dosing and distribut ing Motor driven sample distributing system for 2 4 12 sample bottles PV 12 PB150 000 710 Stainless steel carrying tub for 12 sample bottles EW 12 PB150 000 711 Positioning plate for 4x6 5 L and 2x13 L bottles EP PB150 000 712 Motor driven sample distributing system for 24 sample bottles PV 24 PB150 000 715 St...

Страница 104: ...teel rolls 2 fixed rolls 2 flexible rolls and mounting kit for PB 150 MF PB150 000 725 Stainless steel base rack for installation without foundation slab SGE PB150 000 726 Mounting kit for base rack SGM PB150 000 727 40 mm elevation SGH PB150 000 728 ...

Страница 105: ...pneumatic unit 016400 Membrane for 007 CDC 19 compressor 016403 Pump head for 007 CDC 129 12 B pump 016404 Silicone tube 12x2 for pinching valve 016407 Silicone tube 4x1 5 for multifunction valve 016408 12 7x20 PVC tube light beige 016409 O Ring 16x4 NBR 3 pieces are required 016410 Quadring B1 92x5 33 NBR for dosage vessel 016411 Flat packing 25x15x2 EPDM 016412 O ring 64 x 3 NBR 016413 Flat pack...

Страница 106: ...Appendix 106 ...

Страница 107: ...uctivity system 72 Connections 10 D Default settings 96 Determining the nominal values 31 Display 28 Display illumination 28 Dosage unit 11 Dosing volume setting 25 E Editing a program 39 Energy saving 28 Entering the password programming 39 Entering the password system 66 Event sampling 47 bottle filling time 47 Interval 48 F Filling time per bottle 44 Fixed time for bottle change 45 Flow signal ...

Страница 108: ... Interrupting the sampling program 55 Starting the sampling program 54 Sampling modes 15 Combined sampling 17 Sampling according to events 17 Sampling according to flow 16 Sampling according to time 15 Sampling pause 47 Scope of delivery 8 Service menu 59 Setting up the automatic sampling editing a program 39 entering the password 39 flow signal 41 interval 40 43 Selecting the sampling mode 40 Sig...

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