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pHotoFlex

STD

Operation

ba75958e07

11/2020

4.5.6

Absorbance / % Transmission, measuring

The transmission measurement is not described separately in the
following example as it operates in exactly the same way as the
absorbance measurement. The result of the measurement is dis-
played in

% Transmission

Press the

<M>

several times as necessary until the measured pa-

rameter

Absorbance

(or

% Transmission

) is selected.

Select the cell diameter with

> <

and confirm with

<START/

ENTER>

Select the wavelength with

> <

and confirm with

<START/EN-

TER>

Clean the cell (see section 5.2.2).

Insert the cell (see section 4.2).

Start the measurement with

<START/ENTER>

The measurement result is displayed when the measurement is fin-
ished.

Photometry

Absorbance

Select cell

with

▲

▼

16 mm

610 nm

01.12.11 15:12

Photometry

Absorbance

Insert sample

Start measurement

with <START>

16 mm

610 nm

01.12.11 15:12

Содержание pHotoFlex STD

Страница 1: ...OPERATING MANUAL ba75958e07 11 2020 pHotoFlex STD LED FILTER PHOTOMETER ...

Страница 3: ...Inserting exchanging the batteries 13 3 3 Initial commissioning 14 4 Operation 15 4 1 Switching on the meter 15 4 2 Inserting a cell 16 4 3 General operating principles 18 4 3 1 Operating modes 18 4 3 2 Navigation 19 4 3 3 Navigation example 1 Setting the language 20 4 3 4 Example 2 on navigation Setting the date and time 22 4 3 5 Menu overview 24 4 4 System settings System menu 26 4 4 1 Measured ...

Страница 4: ...figuration for the data transmission to a terminal program 51 4 7 6 Transmitting data to a printer or terminal program 52 4 7 7 Examples of data transmitted printer terminal program 52 4 8 Reset 54 4 8 1 Resetting the system settings 54 4 8 2 Resetting the photometry settings 54 4 9 Meter information 55 4 10 Software update 55 4 11 Administrating user defined methods 56 4 11 1 Options for method a...

Страница 5: ...58e07 11 2020 7 1 1 pHotoFlex STD 66 7 2 Photometry 67 8 Accessories and options 69 8 1 Accessories 69 8 1 1 Meter accessories 69 8 1 2 Connection cable 69 8 2 Bar code reader 71 9 Lists 72 10 Index 75 11 Firmware update 77 ...

Страница 6: ...ssion measurements The pHotoFlex STD handheld meter provides the maximum degree of ease of use reliability and measuring certainty for all applications 1 Keypad 2 Display 3 Cell shaft folded out for a 16 mm cell to be inserted 4 Connectors If you need further information or application notes you can ob tain the following material from WTW Application reports Primers Safety datasheets You will find...

Страница 7: ...adjustment measurements blank values zero adjustment CAL ZERO Select a program for concentration measurement PROG Open menus confirm entries start measurement START ENTER Call up the Configuration menu all settings are made here MENU Switch over between available citation forms FORM Switch over between available units UNIT Switch the meter on or off ON OFF ...

Страница 8: ...t menu items or selection Set values V W Switch to the next higher menu level cancel input ESC Keys with an additional number printed on are assigned doubly This enables to directly enter numbers in special menus Thus you can for example conveniently enter the date and time via the number keys PRT Measuring mode measured parameter Measured value with unit Program and citation form Diameter of the ...

Страница 9: ...ic measurements the zero measurement is retained even after switching the pHotoFlex STD off and on again You can connect a barcode reader for the simplified calling up of programs The LSdata software included serves to easily enter user defined pro grams Operation with power pack and battery pack included in the scope of de livery of the LabStation The battery pack in the pHotoFlex STD is auto mat...

Страница 10: ...ual They are indicated by the warning symbol triangle in the left column The signal word e g Caution indicates the level of danger CAUTION indicates a possibly dangerous situation that can lead to slight revers ible injury if the safety instruction is not followed NOTE indicates a situation where goods might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the meter Note all...

Страница 11: ...tions and technical specifications given in this operating manual is authorized see chapter 7 TECHNICAL DATA Any other use is considered unauthorized 2 2 2 Requirements for safe operation Note the following points for safe operation The meter may only be operated according to the authorized use specified above The meter may only be supplied with power by the energy sources men tioned in this opera...

Страница 12: ...n also supply the meter with pow er with an battery pack The battery pack is included in the scope of delivery of the LabStation and is inserted in the battery compartment instead of the batteries see LabStation operating manual Automatic switch off function The meter has an automatic switch off function in order to save the batteries or battery pack see section 4 4 Display illumina tion During op...

Страница 13: ...batteries must correspond to the signs in the battery compartment 1 Open the battery compartment Unscrew the two screws 1 on the underside of the meter Remove the lid of the battery compartment 2 2 If necessary take four old batteries out of the battery compart ment 3 Insert four batteries 3 in the battery compartment 4 Close the battery compartment and fix it with the screws 1 2 ...

Страница 14: ...battery pack connect the LabStation and insert the meter in the LabStation see LabStation operating manual Switch on the meter see section 4 1 Set the language as necessary see section 4 3 3 Set the date and time as necessary see section 4 3 4 When you set the language date and time according to the men tioned sections of this operating manual you will quickly become familiar with the simple opera...

Страница 15: ... parameters Concentration Absor bance and Transmission Switching off Press the ON OFF key Automatic switch off function The meter has an automatic switch off function in order to save the batteries or battery pack see section 4 4 The automatic switchoff switches off the meter if no key is pressed for an adjustable period The automatic switchoff function is not active if the power is supplied by th...

Страница 16: ...he illumination is switched on again with the next keystroke 4 2 Inserting a cell To be able to insert cells in the pHotoFlex STD the cell shaft has to be pre pared to take in a cell Inserting a 28 mm cell 1 Push the dust cover 1 upward The cell shaft for 28 mm cells is open Insert a 28 mm cell see below Insert a 16 mm cell see page 17 1 2 Insert the cell so that it is positioned on the bottom of ...

Страница 17: ...e07 11 2020 Inserting a 16 mm cell 1 Put the fold out cell shaft 2 in an upright position until it locks into place 2 Pull upwards the height adapter 3 The cell shaft is extended 3 Open the external light cover 4 of the cell shaft 2 3 4 ...

Страница 18: ...he following operating modes Measuring The meter determines measurement data and displays the results in the measured value display Calibrating The meter carries out a blank value measurement or zero adjustment Data transmission The meter transmits datasets to the serial interface Configuration The display indicates a menu with further menus settings and functions 4 Insert the 16 mm cell marking p...

Страница 19: ...tion is displayed inverse Menus The name of the menu is displayed at the upper edge of the frame Menus are opened by confirming with START ENTER Example Settings Settings are indicated by a colon The current setting is displayed on the right hand side With START ENTER the selection of the possible set tings is opened Subsequently the setting can be changed with V W and START ENTER Example Function...

Страница 20: ...Configuration System Language The principles of navigation are explained in the two following sections by reference of examples Setting the language section 4 3 3 Setting the date and time see section 4 3 4 1 In the measured value display Using MENU open the Configuration menu The instrument is in the configuration mode 2 Select the System menu with V W The current selection is displayed in revers...

Страница 21: ...irm the setting with START ENTER The setting is active The menu is displayed in the selected language 8 To make further settings switch to the next higher menu level with ESC or Switch to the measured value display with M short pressure The instrument is in the measuring mode Language Deutsch Measured value memory Display Reset Interface Continue System Language Deutsch Measured value memory Displ...

Страница 22: ...of stored measured values Therefore check the time at regular intervals Setting the date time and date format The date format can be switched from the display of day month year dd mm yy to the display of month day year mm dd yy or mm dd yy After a fall of the supply voltage empty batteries empty battery pack the date and time are reset to 01 01 2003 00 00 00 hours 1 In the measured value display U...

Страница 23: ...nter all digits once again The new digits are only taken over by confirming with START ENTER 5 Confirm the setting with START ENTER The time is set 6 Set the current Date as necessary The setting is made similar ly to that of the time 7 Change the date format as necessary 8 To make further settings switch to the next higher menu level with ESC or Switch to the measured value display with M The ins...

Страница 24: ... Transmission Absorbance Programs Dilution Analysis timer On Off Reset Timer System Language Deutsch English Français Español Measured value memory Display RS232 download Data filter Filter ID PROG Date Delete i 4 of 1000 i occupied i Filter No filter Display Illumination Auto off On Off Contrast 0 100 Brightness 0 100 Reset ...

Страница 25: ...em continued Interface Baud rate 1200 2400 4800 9600 19200 Output format ASCII CSV Continue Date time Time hh mm ss Date Date format dd mm yy mm dd yy mm dd yy Continue Switchoff time 10 20 30 40 50 min 1 2 3 4 5 10 15 20 24 h Continue Beep On Off Info ...

Страница 26: ...ings functions The settings are in the menu Configuration System Move to the Configuration menu with the MENU key Menu item Setting Explanation Language Deutsch English Français Español Select the language see section 4 3 3 Measured value memory Display RS232 down load Data filter Delete Memory and database func tions see section 4 6 2 Display Illumination Contrast Brightness Switch on off the dis...

Страница 27: ...nu Configuration System Measured value mem ory Move to the Configuration menu with the MENU key Settings functions Continue Switchoff time 10 20 30 40 50 min 1 2 3 4 5 10 15 20 24 h The automatic switchoff func tion switches the meter off if no entry is made for a specified pe riod of time Switchoff time This saves the batteries or bat tery pack Continue Beep On Off Switches on off the beep on key...

Страница 28: ...settings The download is ordered according to the date and time The process can take several minutes To terminate the process prematurely press ESC Data filter see section 4 6 2 Allows to set filter criteria in order to display and download datasets to the interface Delete Erases the entire contents of the measuring data memory inde pendent of the filter settings Note All calibration data remain s...

Страница 29: ...urrent date Date Format of the date display Date format The settings are in the menu Configuration System Continue Date time Move to the Configuration menu with the MENU key Settings Contrast 0 100 Changes the display contrast Brightness 0 100 Changes the display brightness Menu item Setting Explanation Menu item Setting Explanation Baud rate 1200 2400 4800 9600 19200 Baud rate of the data interfa...

Страница 30: ...e g a digestion The chemicals required in the analysis specification are available as test sets Methods and the corresponding method data for many test sets are stored as programs in the pHotoFlex STD A program number is assigned to each program The stored method data are loaded when the program number is entered or read in with the aid of a bar code reader You can look up an overview of the avail...

Страница 31: ... settings are in the menu Configuration Photometry Move to the Configuration menu with the MENU key Settings 1 Clean the exterior of the cells before filling them with sample and also before measuring if necessary see section 5 2 2 2 For measurement place the pHotoFlex STD on a horizontal surface Menu item Setting Explanation Meas param Concentration Transmission Absorbance Measured parameter Prog...

Страница 32: ... the data of the program last used is automatically displayed here With V W you can quickly switch between the ten programs last used 2 Open the Program number display with PROG enter the required program number with the number keys and con firm with START ENTER or from the second concentration measurement Select a program out of the last ten programs with V W The program data is displayed If a pr...

Страница 33: ... N 16 mm 0 20 8 00 mg l 01 12 11 15 12 A blank value measured by the user is used Display Meaning Lower limit of measuring range instead of the measured value Measuring range undercut Remedy Select a test with a lower measuring range Upper limit of measuring range instead of the measured value Measuring range exceeded Remedy Select a test with a higher measuring range or dilute the sample Orientat...

Страница 34: ...e Reset function erases all blank values measured by the user and re stores the blank values stored in the factory If a blank value measured by the user is stored for a program this blank value is used for measurement The usage of the blank value measured by the user is documented and also indicated in the measured value display The orientation value can be very inaccurate and should not be used a...

Страница 35: ...ea sure blank value function The menu guided blank value measurement begins Follow the instructions on the display 5 Insert a cell with blank sample see section 4 2 6 Start the measurement of the blank value with START ENTER After measuring the result of the blank value measurement is dis played and stored The result is displayed as i Blank value measurement successful or i Blank value measurement...

Страница 36: ...adjustment is carried out the standard adjustment is erased manually the meter is reset to delivery status Reset function Standard adjust ment 7 Confirm the result with START ENTER The blank value measurement is completed The meter is ready to measure or Discard the result with ESC Subsequently carry out a new blank value measurement i 83 A6 25 MC Celli 16 mm iAbsorbance 0 301 i Blank value mea su...

Страница 37: ... measurement begins Follow the instructions on the display 6 Enter the nominal value of the standard Note Enter the decimal separator with START ENTER 7 Confirm the entered nominal value with START ENTER 8 Insert a cell with standard see section 4 2 9 Start the measurement of the standard with START ENTER After measuring the result of the standard adjustment is displayed and stored As the result t...

Страница 38: ... ESC Subsequently carry out a new standard adjustment If a standard adjustment is stored for a program the standard ad justment is automatically used for measurement The usage of the standard adjustment is documented together with the mea sured value and indicated in the measured value display with Cal i 304 Cu 1 TP Celli 10 mm i 0 600 mg l Cu 2 000 93 2 Accept Measure standard ...

Страница 39: ...ntil the measured pa rameter Absorbance or Transmission is selected 2 Select the cell diameter with V W and confirm with START ENTER 3 Select the wavelength with V W and confirm with START EN TER 4 Clean the cell see section 5 2 2 5 Insert the cell see section 4 2 6 Start the measurement with START ENTER The measurement result is displayed when the measurement is fin ished Photometry Absorbance i ...

Страница 40: ... optically per fect cell The zero adjustment must be performed separately for each cell type 1 If necessary press the M key several times until the measured pa rameter Concentration is selected 2 Press the CAL ZERO key The menu for adjustment measurements opens up 3 Using V W and START ENTER select and start the Zero adjust function The menu guided zero adjustment starts Follow the instructions on...

Страница 41: ...not successful is displayed as the result The zero adjustment is completed If i Calibration error was displayed as the calibration result a note automatically reminds you of another zero adjustment be fore the next measurement Measuring is not possible without a valid zero adjustment 7 Confirm the result with START ENTER The zero adjustment is completed The meter is ready to measure i Insert zero ...

Страница 42: ...isplayed at the due point Start the Analysis timer with the START ENTER key Shortening the time interval is not possible An acoustic signal sounds when the adjusted time interval has expired The Analysis timer function is switched on or off in the Configuration Pho tometry Analysis timer menu This setting generally applies to all measurements with methods according to analysis specification 4 5 10...

Страница 43: ...The entered dilution factor is only valid for the selected program The dilution factor is erased if the photometer is switched off a different program number is selected the factor 0 is entered in the Dilution menu If a dilution factor is active it is indicated on the display during measurement 1 Select the program for which a dilution factor is to be entered 2 Open the menu Configuration Photomet...

Страница 44: ...data storage process transmits the current dataset to the interface at the same time The number of memory locations that are still free is displayed in the Store menu The number of memory locations that are occupied is displayed in the System Measured value memory menu Measurement dataset A complete dataset consists of Date time ID number ID Program number Measured value Citation form Use of a bla...

Страница 45: ...storing procedure A security prompt appears before a dataset is overwritten 1 Press the STO key The Store display appears 2 Using V W START ENTER and the number keys change and confirm the ID number ID as necessary 0 999 3 Using START ENTER or STO confirm Store The dataset is stored The meter switches to the measured value dis play A measurement dataset is quickly stored by twice pressing STO It i...

Страница 46: ...u with the MENU key Data filter Menu item Setting function Explanation Filter Filter criteria No filter Data filter switched off ID Selection according to ID num ber PROG Selection according to program Date Selection according to period ID PROG Selection according to program and ID number ID Date Selection according to period and ID number PROG Date Selection according to program and date ID PROG ...

Страница 47: ...red measurement datasets you have the following options Switch directly to the measured value display with M short pressure Leave the display and switch to the superordinate menu with ESC or START ENTER 4 6 4 Download the measurement datsets to the RS232 interface You can download stored datasets to the RS232 interface Only those data sets are downloaded that correspond to the selected filter crit...

Страница 48: ...guration transmit or save measurement and calibration data for GLP compliant data manage ment to LS Data or transmit them to Excel and thus to LIMS see section 4 7 2 With the MultiLab Importer an add in for Microsoft Excel you can transmit data from the meter directly to an open Excel sheet see section 4 7 3 The connection to a printer or terminal program has to be configured so data can be safely...

Страница 49: ...lex 430 see operating manual LS Flex 430 The connection to the PC is established The data can be transferred to the PC via the PC software LS Data see section 4 7 2 via the MultiLab Importer see section 4 7 3 via a terminal program see section 4 7 6 The PC software LS Data is available as an accessory LabSta tion LS Flex 430 with PC software LS Data see chapter 8 1 Establish the connection to a PC...

Страница 50: ...2 For error free data transmission The RS232 interface of the pHotoFlex pH and the printer have to be set to the same transmission speed Baud rate The baud rate of the pHotoFlex STD is selected in the menu Configuration System Interface Baud rate The setting of the baud rate of the printer and the default setting are in the documentation of your printer 3 Selecting the output format of datasets pH...

Страница 51: ...HotoFlex STD see section 4 7 4 ESTABLISHING THE CONNECTION TO A PRINTER It is selected in the menu Configuration System Interface Output format Examples of the output formats see section 4 7 6 3 Configure the RS232 interface of the pHotoFlex STD and the termi nal program The transmission data specified in the pHotoFlex STD and terminal program have to match RS232 interface see section 4 4 3 Termin...

Страница 52: ...l AQS protocol Display the data and press PRT The data being shown on the display are transmit ted to the interface Simultaneously with every manual storage pro cess Stored measured values Display the saved data and press PRT All datasets according to the filter criteria section 4 4 via the Ausgabe RS232 USB func tion see section 4 6 2 With the PRT key you output data that is being shown on the di...

Страница 53: ... status of the main measured value VALID Measured value valid INVALID Measured value invalid UFL Measured value below the lower measuring range limit OFL Measured value above the upper measuring range limit 12Secondary measured value or standard adjustment for measured parameter Absorbance Transmission Wavelength of the measurement for measured parameter Concentration Status standard adjust ment C...

Страница 54: ...Settings for Photometry see section 4 8 2 System settings 4 8 2 Resetting the photometry settings With the Photometry Reset function all settings are reset System setting Default settings Baud rate 4800 Baud Output format ASCII Illumination Auto off Contrast 50 Brightness 50 Switchoff time 30 min Beep On Setting Default settings PROG 0 Cell size 16 mm Meas param Concentration Wavelength 436 nm Bla...

Страница 55: ...oftware update With a software update you obtain the current software with all new programs and method data see section 11 A software update comprises new instrument software new programs methods revisions of existing methods The current software version can be found on the Internet at www WTW com The proceeding for updating the software is given in the appendix see section 11 i Model pHotoFlex i ...

Страница 56: ... software see LSdata operating manual or with the aid of a terminal program see section 4 11 2 You need the following data in any case Data Possible entries examples Program No 900 949 Model Any name max 5 characters Cell mm 16 or 28 Wave length nm 436 517 557 594 610 or 690 MRB measuring range start e g 0 05 MRE measuring range end e g 8 00 E0 reagent blank value e g 0 0 Slope e g 1 0 Resolution ...

Страница 57: ...ro grams via command lines Storing user defined programs Enter a command line according to the following scheme in the terminal pro gram U 500 14 Program No Model Cell mm Wave length nm MRB MRE E0 Slope Resolution Citation form Unit Blank required Standard ad justment possible Standard adjustment required Example U 500 14 900 test 16 436 0 0 2 0 0 0 1 0 0 01 test mg l 0 1 0 On the CD ROM there is ...

Страница 58: ... displayed on the ter minal After a failed transmission the terminal program writes 5 Enter the command line 6 Finish the command line with Enter The data is transmitted to the pHotoFlex STD If there is already a program stored under the selected number the programming is canceled If you wish to store the program un der the selected number you have to erase the program stored under the number firs...

Страница 59: ...ssful transmission the terminal program writes After a failed transmission the terminal program writes Read out all user de fined programs Read out one user de fined program Command line U 510 U 511 1 Program No Example U 510 U 511 1 900 9 Enter the command line 10 Finish the command line with Enter The data is transmitted to the pHotoFlex STD The requested data is displayed on the terminal as the...

Страница 60: ... Make sure that the poles of the batteries are positioned correctly The signs on the batteries must correspond to the signs in the battery compartment 1 Open the battery compartment Unscrew the two screws 1 on the underside of the meter Remove the lid of the battery compartment 2 2 If necessary take four old batteries out of the battery compartment 3 Insert four batteries 3 in the battery compartm...

Страница 61: ...out waste container symbol There fore they may not be disposed with the domestic waste 5 1 2 Retrofitting the battery pack NOTE Use original WTW battery packs only Together with the power pack the battery pack is available as an accessory see section 8 1 Dispose of used batteries according to the local regulations of your country 1 Open the battery compartment Unscrew the two screws 1 on the under...

Страница 62: ...lar detergents that contain solvents Re move any splashes immediately 5 2 1 Cleaning the cell shaft If liquid is in the cell shaft e g due to a spilled cell clean the cell shaft as follows CAUTION Cells may contain toxic or corrosive substances If the contents are re leased observe the hazard information on the cell If necessary take corresponding protective measures protective goggles protective ...

Страница 63: ...rational lifetime the meter must be returned to the disposal or return system statutory in your country If you have any questions please contact your supplier 1 Clean the cells inside and out with hydrochloric acid or laboratory soap 2 Rinse out several times with distilled water 3 Let them dry in the air 4 Only hold the cells by the top or by the light protection cap so that the optical path is n...

Страница 64: ...t new batteries Charge the battery pack see section 3 2 Cause Remedy Software error Operating condition undefined or EMC load unallowed Processor reset Press the START ENTER and PRT keys simultaneously Cause Remedy Software error Operating condition undefined or EMC load unallowed Processor reset Press the START ENTER and PRT keys simultaneously Cause Remedy Instrument error Repeat measurement Met...

Страница 65: ...emedy Measurement disturbed by external light Close the external light cover Cell not correctly inserted Insert the cell so that it is positioned on the bottom of the cell shaft Cell contaminated Clean the cell Cell shaft contaminated Clean the cell shaft Dilution set incorrectly Set the dilution Selected program unsuitable Select other program Zero measurement incorrect Perform zero measurement B...

Страница 66: ...C 50 C Climatic class 2 Allowable relative humidity Yearly mean 30 days year Other days 75 95 85 Power supply Batteries 4 x 1 5 V type AA Operating time with battery operation approx 5000 measurements Battery pack optional 5 x 1 2 V nickel metal hydride NiMH type AA Power pack Charging device optional FRIWO FW7555M 09 15 1432 500 00 Friwo Part No 1883259 RiHuiDa RHD20W090150 Input 100 240 V 50 60 ...

Страница 67: ...1326 1 A3 2003 FCC Class A Meter safety EEC guideline 73 23 EEC EN 61010 1 2001 Climatic class VDI VDE 3540 IP protection class EN 60529 1991 Optical measuring principle LED photometer with filter Interference filter 436 nm 517 nm 557 nm 594 nm 610 nm 690 nm Accuracy 2 nm Photometric reproducibility 0 005 or better Photometric resolution 0 001 Warm up time None Measuring time Approx 2s Measured pa...

Страница 68: ...Technical data pHotoFlex STD 68 ba75958e07 11 2020 Transmission 1 150 User defined programs 50 Resolution Transmission 1 00 9 99 0 01 10 0 150 0 1 ...

Страница 69: ...01 Batteries for pHotoFlex RB Flex 430 251 300 25 empty round cells 16 mm RK 14 25 250 621 3 empty round cells 28 mm LK28 Set 251 302 Thermoprinter a connection cable is required to connect the printer see section 8 1 2 P3001 250 045 Needle printer LQ 300 250 046 Description Model Order no Connection PC pHotoFlex STD Cable AK 540 B 902 842 USB adapter for USB connection on PC ADA USB 902 881Y Conn...

Страница 70: ...1 Cable AK 540 S 902 843 Connection P3001 LabStation Cable AK 3000 250 745 in conjunction with an adapter socket socket GenderChanger Specialist shops or Cable 2 x 9 pin socket plug Specialist shops Description Model Order no Connection LQ300 Cable AK 540 B 902 842 with adapter 9 pin plug 25 pin plug Specialist shops Connection LQ300 LabStation Cable AK LQ300 250 746 in conjunction with an adapter...

Страница 71: ...ensions are available in specialist shops Device cable Model Bar code reader In addition to the bar code reader a suitable connection cable is required to operate the bar code reader Handscanner Datalogic DLC6065 M1 Handscanner Datalogic Touch65 Connection cable Bar code reader LabStation Datalogic CAB 350 ...

Страница 72: ...it Kelvin LoBat Batteries almost empty Low battery m Month s Second SELV Safety Extra Low Voltage Analysis specification The exact proceeding to carry out the detection procedure is described in the analysis instructions Blank value reagent blank value The evaluation of the photometric measurement always refers to the com parison value of a sample without the substance to be determined reagent bla...

Страница 73: ...d comprises a chemical detection procedure and special method data calibration line that are required to evaluate the measurement re sults How to carry out the method up to the photometric measuring is described in the analysis instructions The pHotoFlex STD contains a database with methods programs Fur thermore user defined methods can be entered in the database as well Program In the pHotoFlex S...

Страница 74: ...Lists pHotoFlex STD 74 ba75958e07 11 2020 ...

Страница 75: ...g 14 Initialize 54 Inserting a cell 16 Interface 29 K Key functions 7 Keys 7 M Measure diluted sample 43 Measured value display 19 Measurement data memory Storage locations 44 Measurement dataset 44 Menus navigation 19 Messages 20 Method 30 N Navigation 19 O Operating modes 18 P Photometric determination 30 Program 30 Programs 41 R Reset 54 RS232 socket assignment 50 S Safety 10 Scope of delivery ...

Страница 76: ...Index pHotoFlex STD 76 ba75958e07 11 2020 ...

Страница 77: ...r for connection with the LabStation an operable LabStation with null modem cable accessory see LabStation operating manual for connection to a USB interface on the PC a USB adapter accessory Program installa tion Install the firmware update program on your PC Program start Start the program from the Windows start menu Via the language menu you can change the adjusted language Firmware update Proc...

Страница 78: ...aken over the new software version on the start display 4 Then follow the instructions of the program The programming process takes approx 5 minutes A terminatory message is displayed after a successful pro gramming process The firmware update is now completed 5 Disconnect the meter from the PC The meter is ready for operation ...

Страница 79: ...pHotoFlex STD ba75958e07 11 2020 79 ...

Страница 80: ...buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise backed by a legacy of innovation Xylem Analytics Germany GmbH Dr Karl Slevogt Str 1 82362 Weilheim Germany Xylem Analytics Germany Sales GmbH Co KG WTW Dr Karl Slevogt Str 1 82362 Weilheim Ge...

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