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pHotoFlex

®

STD

Overview

9

ba75958d05

10/2017

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.

1.3

Display

The graphic display shows all information of the current measurement
in the measured value display. The illumination enables to read the dis-
play even in the darkness.

Example

Switch the meter on or off

<ON/OFF>

Output display contents to RS232 interface (e.g.
print)

<PRT>

Open the

Store

menu:

<STO>

Quick storing: 2 x

<STO>

Highlight menu items or selection

Set values

<



>

,

<



>

Switch to the next higher menu level /
cancel input

<ESC>

PRT

Measured parameter

Measured value (with unit)

Program and citation form
Diameter of the cell and mea-
suring range
Status line with date and time

Photometry

/

Concentration

1.29

mg/l

83: A6/25 MC

NH4

-N

16 mm

0.20 - 8.00 mg/l

01.12.11 15:12

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Summary of Contents for pHotoFlex STD

Page 1: ...OPERATING MANUAL ba75958d05 10 2017 pHotoFlex STD LED FILTER PHOTOMETER ...

Page 2: ...ba75958d05 10 2017 pHotoFlex STD Copyright 2017 Xylem Analytics Germany GmbH Printed in Germany ...

Page 3: ...s for safe operation 12 2 2 3 Unauthorized use 12 3 Commissioning 13 3 1 Scope of delivery 13 3 2 Power supply 13 3 2 1 General information 13 3 2 2 Inserting exchanging the batteries 14 3 3 Initial commissioning 15 4 Operation 17 4 1 Switching on the meter 17 4 2 Inserting a cell 18 4 3 General operating principles 20 4 3 1 Operating modes 20 4 3 2 Navigation 21 4 3 3 Example 1 on navigation sett...

Page 4: ...tored measurement datasets 52 4 7 Transmitting data RS 232 interface 52 4 7 1 Connecting a PC external printer 52 4 7 2 Configuring the RS232 interface 53 4 7 3 Selecting the output format of datasets 53 4 7 4 Transmitting data 55 4 8 Reset 56 4 8 1 Resetting the system settings 56 4 8 2 Resetting the photometry settings 56 4 9 Meter information 57 4 10 Software update 57 4 11 Administrating user ...

Page 5: ...Technical data 69 7 1 General data 69 7 1 1 pHotoFlex STD 69 7 2 Photometry 70 8 Accessories and options 71 8 1 Accessories 71 8 1 1 Meter accessories 71 8 1 2 Connection cable 71 8 2 Bar code reader 73 9 Lists 75 10 Index 77 11 Firmware update 79 ...

Page 6: ...Contents pHotoFlex STD 6 ba75958d05 10 2017 ...

Page 7: ...urements Absorbance measurements Transmission measurements The pHotoFlex STD handheld meter provides the maximum degree of operating comfort reliability and measuring certainty for all applica tions If you need further information or application notes you can obtain the following material from WTW Application reports Primers Safety datasheets 1 Keypad 2 Display 3 Cell shaft folded out for a 16 mm ...

Page 8: ...le M Concentration Absorbance Transmission Open the menu for 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 ...

Page 9: ...play The illumination enables to read the dis play even in the darkness Example Switch the meter on or off ON OFF Output display contents to RS232 interface e g print PRT Open the Store menu STO Quick storing 2 x STO Highlight menu items or selection Set values Switch to the next higher menu level cancel input ESC PRT Measured parameter Measured value with unit Program and citation form Diameter o...

Page 10: ...hotometric measurements the zero measurement is retained even after switching the pHotoFlex STD off and on again You can connect a bar code reader for the simplified calling up of programs The LSdata software included serves to easily enter user defined programs Operation with power pack and rechargeable battery included in the scope of delivery of the LabStation The rechargeable battery in the pH...

Page 11: ... manual 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 reversible injury if the safety instruction is not followed NOTE indicates a possibly dangerous situation where goods might be dam aged if the actions mentioned are not taken 2 1 2 Safety sign...

Page 12: ...instructions and technical specifications given in this operating manual is authorized see chapter 7 TECHNICAL DATA Any other use is considered unauthor ized 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 mentioned in thi...

Page 13: ...type AA see section 3 2 2 When you are using the LabStation you can also supply the meter with power with a rechargeable battery The rechargeable battery is includ ed in the scope of delivery of the LabStation and is inserted in the bat tery compartment instead of the batteries see LabStation operating manual Automatic switchoff function The meter has an automatic switch off function in order to s...

Page 14: ...atteries must correspond to the signs in the bat tery 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 ...

Page 15: ... rechargeable battery 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 mentioned sections of this operating manual you will quickly become familiar with the simp...

Page 16: ...Commissioning pHotoFlex STD 16 ba75958d05 10 2017 ...

Page 17: ...matic switch off function in order to save the bat teries or rechargeable battery see section 4 4 The automatic swi tchoff 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 the LabStation optional if the Timer or Analysis timer function is on Display illumination with battery powered operation During oper...

Page 18: ...the cell shaft has to be prepared 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 19 1 2 Insert the cell so that it is positioned on the bottom of the cell shaft The cell is ready to be measured ...

Page 19: ...d05 10 2017 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 ...

Page 20: ...the pHotoFlex STD and the navigation through menus and functions can be found in section 4 3 1 and section 4 3 2 4 3 1 Operating modes The instrument has the 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 adjust ment Data transmission The meter trans...

Page 21: ...hted as white text on a black back ground 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 settings is opened Subsequently the setting can be changed with and START ENTER Examp...

Page 22: ...f the country how to set the language On delivery English is set as the language in the pHotoFlex STD During initial commissioning the language setting is done in the menu Configuration System Language 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 The current selection is highlighted as white text on...

Page 23: ...u with The current selection is highlighted as white text on a black background 5 Open the setting of the Language with START ENTER 6 Select the required language with 7 Confirm the setting with START ENTER The setting is active The menu is displayed in the selected lan guage 8 To make further settings switch to the next higher menu level with ESC or Switch to the measured value display with M sho...

Page 24: ...set to 01 01 2003 00 00 hours 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 1 In the measured value display Using MENU open the Configuration menu The instrument is in the configuration mode 2 Select and confirm the System Continue Date time menu with and START ENTER 3 Select a...

Page 25: ...START EN TER 4 Enter the time using the number keys The digit to be changed is displayed underlined 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 ...

Page 26: ...on 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 ioccupied 4 of 1000 iFilter No filter Display Illumination Auto off On Off Contrast 0 100 Brightness 0 100 Reset ...

Page 27: ...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 ...

Page 28: ...nctions The settings can be found in the Configuration System menu To switch to the Configuration menu press 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 functions see section 4 6 2 Display Illumination Contrast Brightness Switch on off ...

Page 29: ...lter Erase all stored measurement datasets Delete Information on the number of occupied memory locations The settings can be found in the Configuration System Measured val ue memory menu To switch to the Configuration menu press the MENU key Continue Switchoff time 10 20 30 40 50 min 1 2 3 4 5 10 15 20 24 h The automatic switchoff function switches the me ter off if no entry is made for a specifie...

Page 30: ...ce with PRT Quit the display with ESC RS232 download Downloads to the interface all measurement datasets that correspond to the filter settings The download is ordered according to the date and time The process can take sever al 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 down load datasets to the inter ...

Page 31: ...t Output format The settings can be found in the Configuration System Interface menu To switch to the Configuration menu press the MENU key Settings Menu item Setting Explanation Illumination Auto off The display illumination is automatically switched off if no key has been pressed for 30 seconds On Off Switches the display illumi nation on or off permanent ly see section 4 5 9 Contrast 0 100 Chan...

Page 32: ...Date Format of the date display Date format The settings can be found in the Configuration System Continue Date time menu To switch to the Configuration menu press the MENU key Settings Menu item Setting Explanation Time hh mm ss Enter the time with the number keys Date Enter the date with the number keys Date format dd mm yy mm dd yy mm dd yy Settings of time and date ...

Page 33: ... can however also include chemical conversions e g a di gestion The chemicals required in the analysis specification are available as test sets Suitable analysis specifications for test sets can be found in the pho tometry analysis manual on CD ROM There you will also find further instructions on handling chemicals and on how to proceed when applying the analysis specifications Methods and the cor...

Page 34: ...s can be found in the Configuration Photometry menu To switch to the Configuration menu press the MENU key Settings 1 Clean the exterior of the cells before filling them with sample and also before measuring as 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 paramet...

Page 35: ...ng of the test under the bar code If a program number is selected that requires a measured blank value the menu automatically guides to the blank value measurement 1 If necessary press the M key several times until the mea sured parameter Concentration is selected 2 Open the Program number display with PROG enter the required program number with the number keys and confirm with START ENTER or from...

Page 36: ...RT ENTER Measurement is started The result is displayed Photometry Concentration iInsert sample iStart measurement with START 83 A6 25 MC NH4 N 16 mm 0 20 8 00 mg l 01 12 11 15 12 Photometry Concentration BV 0 74 mg l 83 A6 25 MC NH4 N 16 mm 0 20 8 00 mg l 01 12 11 15 12 A blank value measured by the user is used ...

Page 37: ...ng range instead of the measured value Measuring range exceeded Remedy Use a test with a high er measuring range or dilute the sample Orientation value This value serves as a refer ence point for the selection of a suitable test or dilution ratio If the measurement signal can not be evaluated intensity too high or too low four bars ap pear Photometry Concentration 0 16 BV 0 20 mg l 83 A6 25 MC NH4...

Page 38: ... until it is erased menu item Delete blank value or overwritten The Reset function erases all blank values measured by the user and restores 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 mea sured by the user is documented and also indicated in the measured value display Mea...

Page 39: ...ayed as iBlank value measurement suc cessful or iBlank value measurement erroneous 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 i83 A6 25 MC Celli 16 mm iInsert blank sample Start measurement Measure blank value i83 A6 25 MC Celli 16 mm iAbsorbance 0 3...

Page 40: ...elivery status Reset function Standard adjustment The following measurement of the standard applies only to the selected program If data of a standard adjustment are already available the data of the last standard adjustment are displayed Here you can also erase the data of an active standard adjustment 1 If necessary press the M key several times until the mea sured parameter Concentration is sel...

Page 41: ...rm 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 dis played and stored As the result the measured value and the adjustment in or Error is displayed 10 Confirm the result with START ENTER The standard adjustment is completed The meter is ready ...

Page 42: ...ssary until the measured parameter Absorbance or Transmission is selected 2 Select the cell diameter with and confirm with START ENTER 3 Select the wavelength with and confirm with START ENTER 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 finished Photometry Absorbance iSelec...

Page 43: ... an optically perfect cell The zero adjustment must be performed separately for each cell type 1 If necessary press the M key several times until the mea sured parameter Concentration is selected 2 Press the CAL ZERO key The menu for adjustment measurements opens up 3 Using and START ENTER select and start the Zero adjust function The menu guided zero adjustment starts Follow the instructions on t...

Page 44: ... with and START ENTER as nec essary 6 Start the measurement of the zero adjustment with START ENTER After measuring the result of the zero adjustment is displayed and stored iZero adjust successful successful zero adjustment or iCalibration error zero adjustment not successful is dis played as the result The zero adjustment is completed 7 Confirm the result with START ENTER The zero adjustment is ...

Page 45: ...WTW com on the Internet you can always find the latest software version with the newest programs and method data for your pHotoFlex STD see section 11 User defined programs User defined programs methods can be stored under program num bers between 900 and 909 You can store up to 50 user defined pro grams see section 4 11 1 Open the Configuration Photometry Programs menu The display shows the most ...

Page 46: ...tic signal sounds when the adjusted time interval has expired The Analysis timer function is switched on or off in the Configuration Photometry Analysis timer menu This setting generally applies to all measurements with methods ac cording to analysis specification 4 5 10 Timer When measuring according to analysis specifications waiting periods often have to be kept between individual steps of the ...

Page 47: ...elected program The dilution factor is erased if the meter 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 measure ment in the form x 1 1 Select the program for which a dilution factor is to be entered 2 Open the Configuration Photometry Dilution menu The current factor of the d...

Page 48: ...orage process transmits the current dataset to the inter face 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 dis played in the System Measured value memory menu Measurement dataset A complete dataset includes Date time ID number ID Program number Measured value Citation form Use of a blank value...

Page 49: ...l You can erase the entire memory see section 4 6 5 or overwrite the oldest dataset with the next storing procedure A security prompt appears before a dataset is overwritten 1 Press the STO key The Store display appears 2 Using 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 ...

Page 50: ...nu press the MENU key Data filter Menu item Setting function Explanation Filter Filter criteria No filter Data filter switched off ID Selection according to ID number PROG Selection according to pro gram Date Selection according to pe riod ID PROG Selection according to pro gram and ID number ID Date Selection according to pe riod and ID number PROG Date Selection according to pro gram and date ID...

Page 51: ...surement datasets you have the fol lowing options Switch directly to the measured value display with M short pres sure Leave the display and switch to the superordinate menu with ESC or START ENTER 4 6 4 Download the measurement datasets to the RS232 interface You can download stored datasets to the RS232 interface Only those datasets are downloaded that correspond to the selected filter criteria ...

Page 52: ...verwritten 4 7 Transmitting data RS 232 interface Via the RS 232 interface you can transmit data to a PC or an external printer 4 7 1 Connecting a PC external printer Connect the interface to the devices via the AK540 B PC or AK540 S external printer cable The RS232 interface is not galvanically isolated When connecting an earthed PC printer measurements cannot be per formed in earthed media as in...

Page 53: ...tem Inter face Baud rate 4 7 3 Selecting the output format of datasets For downloading data to the interface you can select the output format It is selected in the menu Configuration System Interface Output format The ASCII output format delivers formatted datasets The CSV output format delivers datasets separated by Output format ASCII RS 232 REC 1 3 4 5 6 2 1 RTS 2 RxD 3 TxD 4 DTR 5 SG 6 CTS pHo...

Page 54: ...g range limit only with measured value status OFL UFL 10 Unit of 9 Unit of the measured value 11 Measured value status of 9 VALID Measured value valid INVALID Measured value invalid UFL Measured value below the lower mea suring range limit OFL Measured value above the upper mea suring range limit 12 Secondary mea sured value or Standard adjust ment for the measured parameter Absorbance Transmissio...

Page 55: ...hat is being shown on the display to the interface displayed measured values stored measurement da tasets calibration record Data Operation description Current measured value Press PRT Simultaneously with every manual storage process Stored measured values Display stored dataset and press PRT All datasets according to the filter criteria via the RS232 download function see section 4 6 2 ...

Page 56: ...gs for Photometry see section 4 8 2 System settings 4 8 2 Resetting the photometry settings With the Photometry Reset function all photometry 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 n...

Page 57: ...oftware update With a software update you obtain the current software with all new pro grams 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 under www WTW com The proceeding for updating the software is given in the appendix see section 11 iModel pHotoFlex...

Page 58: ...oft ware see LSdata operating manual or with the aid of a terminal pro gram 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 ...

Page 59: ...al pro gram By double clicking the configuration file ht you open the Hy perTerminal program with the presettings required for data exchange with the meter The pHotoFlex STD can administrate the database of user defined programs via command lines Storing user defined programs Enter a command line according to the following scheme in the terminal program U 500 14 Program No Model Cell mm Wave lengt...

Page 60: ...rogram After a successful transmission the requested data is displayed on the terminal After a failed transmission the terminal program writes Reading out user defined programs To read out user defined programs enter a command line according to the following scheme in the terminal program 5 Enter the command line 6 Finish the command line with Enter The data is transmitted to the pHotoFlex STD Era...

Page 61: ...a successful transmission the terminal program writes After a failed transmission the terminal program writes 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 result ...

Page 62: ...Operation pHotoFlex STD 62 ba75958d05 10 2017 ...

Page 63: ...OTE Make sure that the poles of the batteries are positioned correctly The signs on the batteries must correspond to the signs in the bat tery 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 com...

Page 64: ...es are marked with the crossed out waste container symbol Therefore they may not be disposed with the domestic waste 5 1 2 Retrofitting the rechargeable battery NOTE Use original WTW rechargeable battery only Together with the power pack the rechargeable battery is available as an accessory see section 8 1 1 Open the battery compartment Unscrew the two screws 1 on the underside of the meter Remove...

Page 65: ...MMA and are only conditionally resistant against organic solvents Thus avoid contact with acetone and similar detergents that contain solvents Remove 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 can contain poisonous or corrosive substances If the con tent is released follow the danger ...

Page 66: ...used batteries according to the local regulations of your country see section 5 1 1 Meter At the end of its operational 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 labora tory soap 2 Rinse out several times with distilled water 3 Let t...

Page 67: ...ert new batteries Charge the rechargeable battery 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 measu...

Page 68: ...medy 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 Bl...

Page 69: ...ower supply Batteries 4 x 1 5 V type AA Operating time with battery operation approx 5000 measurements Rechargeable battery 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 Input 100 240 V 50 60 Hz 400 mA Output 9 V 1 5 A Connection max overvoltage category II Primary plugs contained in the scope of de li...

Page 70: ...cal measuring prin ciple LED photometer with filter Interference filter 436 nm 517 nm 557 nm 594 nm 610 nm 690 nm Accuracy 2 nm Photometric reproduc ibility 0 005 or better Photometric resolution 0 001 Warm up time none Measuring time approx 2s Measured parameters Concentration method dependent selectable display type absor bance transmission Measuring range Absorbance 2 000 2 000 Transmission 1 1...

Page 71: ...1 Rechargeable battery 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...

Page 72: ...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 socket socket ...

Page 73: ...ensions are available in specialist shops Device cable Model Bar code reader In addition to the bar code reader a suitable connection cable is re quired to operate the bar code reader Handscanner Datalogic DLC6065 M1 Handscanner Datalogic Touch65 Connection cable Bar code reader LabStation Datalogic CAB 350 ...

Page 74: ...Accessories and options pHotoFlex STD 74 ba75958d05 10 2017 ...

Page 75: ...unit Kelvin LoBat Batteries almost empty Low battery m Month s Second SELV Safety Extra Low Voltage Analysis instructions The exact proceeding to carry out the detection procedure is de scribed in the analysis instructions Blank value reagent blank value The evaluation of the photometric measurement always refers to the comparison value of a sample without the substance to be deter mined reagent b...

Page 76: ...rises a chemical detection procedure and special method data calibration line that is required to evaluate the mea surement results How to carry out the method up to the photometric measurement is described in the analysis instructions The pHotoFlex STD contains a database with methods programs Furthermore user defined methods can be entered in the database as well Program In the pHotoFlex STD met...

Page 77: ...ioning 15 Initialize 56 Inserting a cell 18 Interface 31 K Key functions 8 Keys 8 M Measure diluted sample 47 Measured value display 21 Measurement data storage Storage locations 48 Measurement dataset 48 Menus navigation 21 Messages 22 Method 33 N Navigation 21 O Operating modes 20 P Photometric determination 33 Print 55 Program 33 Programs 45 R Reset 56 RS232 socket assignment 53 S Safety instru...

Page 78: ...Index pHotoFlex STD 78 ba75958d05 10 2017 Z Zero adjustment 43 ...

Page 79: ...le accessory or 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 Prior to starting the update make sure that the batteries are fully char ged or operate the pHotoFlex STD on the LabStation Otherwise there is a risk of the pHotoFlex STD crashing during the upd...

Page 80: ...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 ...

Page 81: ...pHotoFlex STD ba75958d05 10 2017 81 ...

Page 82: ...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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