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Technical data

pHotoFlex

Turb

ba75976e07

09/2021

7.3

pH value / ORP voltage

7.4

Turbidity

Measuring ranges,

resolution

Variable

Measuring range

Resolution

- 2.00 ... + 16.00

0.01

U [mV]

- 1000 ... + 1000

T [°C]

- 5.0 ... + 100.0

0.1

T [°F]

- 23.0 ... + 212.0

0.1

Manual

temperature input

Variable

Range

Increment

manual

[°C]

- 20 ... + 100

Accuracy (± 1 digit)

Variable

Accuracy

Temperature of the test
sample

pH *

± 0.01

+ 15 °C ... + 35 °C

U [mV]

± 1

+ 15 °C ... + 35 °C

T [°C]

± 0.3

0 °C ... + 55 °C

T [°F]

± 0.54

0 °C ... + 55 °C

* when measuring in a range of ± 2 pH around a calibration point

Measuring principle

Nephelometric measurement according to DIN EN ISO 7027

Light source

Infrared LED

Measuring range

0.01 ... 1100 NTU/FNU

Resolution

In the range
0.01 ... 9.99

max 0.01 NTU/FNU

In the range
10.0 ... 99.9

max 0.1 NTU/FNU

In the range
100 ... 1100

max 1 NTU/FNU

Accuracy

In the range
0 ... 1000 NTU/FNU

± 2% of the measured value

or ± 0.01 NTU/FNU

Measuring time

4 seconds

Calibration

Automatic 3-point calibration

Содержание WTW pHotoFlex Turb

Страница 1: ...OPERATING MANUAL ba75976e07 09 2021 pHotoFlex Turb LED FILTER PHOTOMETER WITH INTEGRATED TURBIDITY MEASUREMENT AND pH FUNCTION...

Страница 3: ...2 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 15 3 3 Initial commissioning 16 4 Oper...

Страница 4: ...a cell 56 4 7 3 Measuring the turbidity 58 4 7 4 Calibration 59 4 8 Memory 62 4 8 1 Storing measurement datasets 63 4 8 2 Filtering measurement datasets 64 4 8 3 Displaying measurement datasets 64 4 8...

Страница 5: ...pack 79 5 2 Cleaning 80 5 2 1 Cleaning the cell shaft 80 5 2 2 Cleaning the cells 81 5 3 Packing 81 5 4 Disposal 81 6 What to do if 82 6 1 General errors 82 6 2 Photometry 83 6 3 pH value ORP voltage...

Страница 6: ...s colorimetric measurements Absorbance measurements Transmission measurements pH measurements Turbidity measurements The pHotoFlex Turb handheld meter provides the maximum degree of ease of use reliab...

Страница 7: ...e in the WTW cata log or on the Internet Select the measuring mode M long keystroke Photometry Turbidity pH ORP Select the measured parameter within a measuring mode M short keystroke pH ORP pH ORP Ph...

Страница 8: ...ation Switch over between available citation forms FORM In the Photometry measuring mode measured param eter Concentration Switch over between available units UNIT Switch the meter on or off ON OFF Ou...

Страница 9: ...1 4 Socket field 1 pH electrode 2 pH temperature sensor 3 Power pack 9 V DC see section 7 1 4 Contact points for operation with the LabStation 5 RS232 serial interface Measuring mode measured pa ramet...

Страница 10: ...functions With photometric measurements the zero measurement is retained even after switching the pHotoFlex Turb off and on again You can connect a barcode reader for the simplified calling up of pro...

Страница 11: ...us situation where goods might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the meter Note all labels information signs and safety symbols on the meter and in the battery co...

Страница 12: ...rding to the authorized use specified above The meter may only be supplied with power by the energy sources mentioned in this operating manual The meter may only be operated under the environmental co...

Страница 13: ...tions Software to program user defined methods Optional LabStation with LSdata PC software battery pack and universal power pack Optional Battery pack rechargeable 3 2 Power supply 3 2 1 General infor...

Страница 14: ...nnecting the power pack optional CAUTION Use original power packs only The line voltage at the operating site must lie within the input voltage range of the original power pack see chapter 7 TECHNICAL...

Страница 15: ...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...

Страница 16: ...r pack see section 3 2 Operation with LabStation and battery pack Insert the battery pack connect the LabStation and insert the meter in the LabStation see LabStation operating manual Switch on the me...

Страница 17: ...ssure to switch to the measuring mode Press M short pressure to switch between different measuring parame ters in the selected measuring mode Switching off Press the ON OFF key Automatic switch off fu...

Страница 18: ...the next keystroke again 4 2 Inserting a cell In order to be able to insert cells into the pHotoFlex Turb the cell shaft must be prepared for holding a cell Inserting a 28 mm cell 1 Push the dust cove...

Страница 19: ...07 09 2021 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 li...

Страница 20: ...easurement The display indicates measurement data in the measured value display Calibration The display indicates a calibration process with calibration information or a process to carry out a zero ad...

Страница 21: ...ame 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 r...

Страница 22: ...the numeric value The numeric value is always displayed with decimal places and if necessary rounded 4 3 3 Navigation example 1 Setting the language The principles of navigation are explained in the t...

Страница 23: ...ection is displayed in reverse video 5 Open the setting of the Language with START ENTER 6 Select the required language with V W 7 Confirm the setting with START ENTER The setting is active The menu i...

Страница 24: ...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...

Страница 25: ...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 simi...

Страница 26: ...s param Concentration Transmission Absorbance Programs Dilution Analysis timer On Off Reset Turbidity i No settings required pH ORP Meas param pH ORP Calibration Calibr record Calibr type TEC NIST DIN...

Страница 27: ...atum Delete i 4 of 1000 i occupied i Filter No filter Display Illumination Auto off On Off Contrast 0 100 Brightness 0 100 Reset Interface Baud rate 1200 2400 4800 9600 19200 Output format ASCII CSV C...

Страница 28: ...tings 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 Fran ais Espa ol Select the la...

Страница 29: ...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 conserves the batteries...

Страница 30: ...mission speed Baud rate Output format Output format Data filter see section 4 8 2 Allows to set filter criteria in order to display and download datasets to the interface Delete Erases the entire cont...

Страница 31: ...ric measurements serve to determine chemical substances in liquid samples For this determination the substance to be determined has to be present in a form that is suitable for photometric measurement...

Страница 32: ...read in with the aid of a bar code reader You can look up an overview of the available methods in the photometry anal ysis manual and display it on the screen of the pHotoFlex Turb see section 4 5 8 Y...

Страница 33: ...th the MENU key Settings 4 5 3 Measuring the concentration Menu item Setting Explanation Meas param Concentration Transmission Absorbance Measured parameters in mea suring mode Photometry Programs Dis...

Страница 34: ...gram 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 pro...

Страница 35: ...ad 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...

Страница 36: ...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 docum...

Страница 37: ...e menu guided blank value measurement begins Follow the instructions on the display 6 Insert a cell with blank sample see section 4 2 7 Start the measurement of the blank value with START ENTER After...

Страница 38: ...adjustment is carried out the standard adjustment is erased manually the meter is reset to delivery status Reset function Standard adjust ment 8 Confirm the result with START ENTER The blank value mea...

Страница 39: ...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 EN...

Страница 40: ...her with the mea sured value and indicated in the measured value display with Cal The transmission measurement is not described separately in the following example as it operates in exactly the same w...

Страница 41: ...an optically per fect cell The zero adjustment must be performed separately for each cell type 3 Select the cell diameter with V W and confirm with START ENTER 4 Select the wavelength with V W and co...

Страница 42: ...adjustment starts Follow the instructions on the display 5 Insert the cell see section 4 2 6 Set another cell with V W and START ENTER as neces sary 7 Start the measurement of the zero adjustment with...

Страница 43: ...between the individual steps These waiting periods time intervals are stored in the instrument with the If i Calibration error was displayed as the calibration result a note automatically reminds you...

Страница 44: ...ith the Timer function you manually set a time interval If you want to be automatically reminded of the given time intervals use the Analysis timer function see section 4 5 9 The timer is displayed in...

Страница 45: ...ment in the form x 1 2 Open the menu Configuration Photometry Dilution The current factor of the dilution is displayed 3 Open the display for the entry of numerals with START ENTER 4 Enter the factor...

Страница 46: ...the active temperature measuring mode Preparatory activi ties Perform the following preparatory activities when you want to measure The RS232 interface is not galvanically isolated When connecting an...

Страница 47: ...he following applies 4 6 3 Measuring the ORP 1 Perform the preparatory activities according to section 4 6 1 2 Immerse the pH electrode in the test sample 3 Press the M key short pressure repeatedly u...

Страница 48: ...le in the menu Configuration pH ORP Meas param Calibr record display print Select the calibration type Enter the Calibr interval Select Unit for slope Select Temperature unit Reset Settings functions...

Страница 49: ...ck Buffer sets for cali bration You can use the buffer sets quoted in the table for an automatic calibration The pH values are valid for the specified temperature values The tempera Calibration Calibr...

Страница 50: ...Read measurement can be terminated at any time accept ing the current value Buffer set Name on the dis play pH values at 25 C WTW Technical buffer solutions TEC 2 00 4 01 7 00 10 01 NIST DIN buffer so...

Страница 51: ...rinter or PC The calibration record of the last calibration is to be found under the menu item Configuration pH ORP CalibrationCalibr record Sample record Calibration evalua tion After calibrating the...

Страница 52: ...the procedure is identical 30 30 62 61 or 56 50 Clean the electrode according to the electrode operating manual 30 or 30 62 or 50 Perform error elimination accord ing to chapter 6 WHAT TO DO IF Displ...

Страница 53: ...ght and press START ENTER The buffer is measured The measured value is checked for stability AutoRead 6 Wait for the end of the AutoRead measurement or accept the calibra tion value with START ENTER T...

Страница 54: ...er the new calibration values For single point calibration the instrument uses the Nernst slope 59 16 mV pH at 25 C and determines the asymmetry of the electrode 8 Thoroughly rinse the electrode with...

Страница 55: ...he same time Using M short pressure or ESC switch to the measured value display without taking over the new calibration values i Buffer recognition TEC i Immerse sensor in buffer 3 Exit with 2 point c...

Страница 56: ...gn both the sample cells and the cells for calibration standards in the same way see section 2130 of the Standard Methods for the Examination of Water and Wastewater 19th issue To do so the optimum al...

Страница 57: ...3 Insert the cell see section 4 2 4 Align the cell Press and keep the START ENTER key depressed Slowly rotate the cell once completely in small steps by 360 After each step wait briefly until the dis...

Страница 58: ...o be measured Pour approximately 10 ml sample into the cell Close the cell and ro tate it several times before throwing the sample away 3 Repeat the rinsing procedure twice more 4 Fill the cell with t...

Страница 59: ...ree point calibration you need the following three cal ibration standards in the specified order To keep the drift as low as possible the time for aligning the cell while the START ENTER key is presse...

Страница 60: ...ion 5 2 2 3 Insert the cell see section 4 2 CAUTION Never open the cells with the calibration standards 1 Press the M key long pressure repeatedly until the Turbidity mea suring mode is selected 2 Pre...

Страница 61: ...ease the START ENTER key Measurement of the calibration standard begins Before measuring the third calibration standard of 0 02 NTU FNU you can exit the calibration with ESC at any time The new calibr...

Страница 62: ...ed value memory menu Measurement dataset A complete dataset consists of Date time ID number ID and the following measurement data depending on the selected measur ing mode If i Calibration error is di...

Страница 63: ...mV Temperature value C F AutoRead info AR AR appears with the measured value if the AutoRead criterion was met while storing stable measured value Otherwise the AR display is missing 1 Press the STO k...

Страница 64: ...ayed that correspond to the selected filter criteria see section 4 8 2 Start reading out the data to the display in the menu Configuration System Measured value memory Display Menu item Setting functi...

Страница 65: ...wnloaded that correspond to the selected filter cri teria see section 4 8 2 The datasets are downloaded in the specified output format see section 4 9 5 The output of the data to the interface is star...

Страница 66: ...has to be configured so data can be safely transmitted see section 4 9 5 4 9 1 Establishing the connection to a PC You have the following possibilities of transmitting data from the pHotoFlex Turb to...

Страница 67: ...tablished The data can be transferred to the PC via the PC software LS Data see section 4 9 2 via the MultiLab Importer see section 4 9 3 via a terminal program see section 4 9 6 The PC software LS Da...

Страница 68: ...toFlex Turb is pre configured for the connection of the printer 2 For error free data transmission The RS232 interface of the pHotoFlex Turb and the printer have to be set to the same transmission spe...

Страница 69: ...toFlex Turb see section 4 9 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 9 6 3 Config...

Страница 70: ...ocol 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 dat...

Страница 71: ...n measured value or designation of dimensionless measured values e g pH 11Measured value status of the main measured value VALID Measured value valid INVALID Measured value invalid UFL Measured value...

Страница 72: ...section 4 10 2 System settings 4 10 2 Resetting the photometry settings With the Photometry Reset function all settings are reset For turbidity measurements there are no settings that can be re set Sy...

Страница 73: ...of the stored program data Series number of the meter 4 12 Software update With a software update you obtain the current software with all new programs and method data see section 11 The calibration...

Страница 74: ...tion line for your method yourself and transmit the data of this calibration line to the pHotoFlex Turb Administration of the method data can be carried out in the LSdata software see LSdata operatin...

Страница 75: ...ines 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...

Страница 76: ...ter 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 Turb If there is alr...

Страница 77: ...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 Turb The req...

Страница 78: ...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 sc...

Страница 79: ...ut 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 batt...

Страница 80: ...ar 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 2 If necessa...

Страница 81: ...perational 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 h...

Страница 82: ...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 key simultaneously Caus...

Страница 83: ...Insert the cell until 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...

Страница 84: ...lution temperature incorrect without temperature sensor Set the correct temperature Incorrect buffer solutions Select the suitable buffer solutions for the calibration procedure Buffer solutions too o...

Страница 85: ...de pH electrode unsuitable Use suitable electrode Temperature difference between buffer and test sample too great Adjust temperature of buffer or sample solutions Measurement procedure not suitable Fo...

Страница 86: ...atic class 2 Allowable relative hu midity 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 p...

Страница 87: ...ine 73 23 EEC EN 61010 1 2001 Climatic class VDI VDE 3540 IP protection class EN 60529 1991 Optical measuring prin ciple LED photometer with filter Interference filter 436 nm 517 nm 557 nm 594 nm 610...

Страница 88: ...e test sample pH 0 01 15 C 35 C U mV 1 15 C 35 C T C 0 3 0 C 55 C T F 0 54 0 C 55 C when measuring in a range of 2 pH around a calibration point Measuring principle Nephelometric measurement according...

Страница 89: ...0 3 replacement cells 28 x 60 mm LKS28 Set 251 302 Calibration set for Turb 430 IR photoFlex Turb Kal Kit Turb 430 IR 600 560 Thermoprinter A connection cable is required to connect the printer see se...

Страница 90: ...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 Descript...

Страница 91: ...optional extensions 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 Hand...

Страница 92: ...n aids Abbreviations The list of abbreviations explains the indicators and the abbreviations that ap pear on the display and in the manual Specialist terms The glossary briefly explains the meaning of...

Страница 93: ...empty Low battery m Month mV Voltage unit mV pH Unit of the electrode slope internat mV NIST DIN Automatic calibration for pH measurements with buffer solutions produced according to NIST or DIN 19 26...

Страница 94: ...value or a value that is regarded as correct Often this expression is also used when the measuring system is adjusted at the same time see adjusting Cell Vessel that takes a liquid sample for the phot...

Страница 95: ...aluate the mea surement results How to carry out the method up to the photometric measuring is de scribed in the analysis instructions The pHotoFlex Turb contains a database with methods programs Furt...

Страница 96: ...to calibrate a measuring system Temperature function Name of a mathematical function expressing the temperature behav ior of a test sample a sensor or part of a sensor Test sample Designation of the...

Страница 97: ...3 Connecting sensors 9 Connectors 9 D Data filter 64 Data memory 29 Dataset 62 Date and time 24 Date time 31 Default settings Measured parameter 73 System settings 72 Display 9 30 Display illumination...

Страница 98: ...calibration pH 54 Slope pH 49 Storing in memory 62 Switching on 17 System menu General information 30 33 System settings 28 General information 28 31 T Temperature measurement pH 46 Test set 31 Three...

Страница 99: ...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 th...

Страница 100: ...Turb 100 ba75976e07 09 2021 After switching the meter off and on you can check whether the meter has taken over the new software version on the start display 5 Disconnect the meter from the PC The met...

Страница 101: ...structions on the display To measure turbidity values below 1 FU NTU proceed as follows Calibration Calibrate After the calibration interval has expired With a temperature change Measuring 1 Press the...

Страница 102: ...Appendix Turbidity values under 1 FNU NTU pHotoFlex Turb 102 ba75976e07 09 2021...

Страница 103: ...pHotoFlex Turb ba75976e07 09 2021 103...

Страница 104: ...rove the way water is used conserved and re used in the future is central to our work Our products and services move treat analyze monitor and return water to the environment in public utility industr...

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