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19

Measurement

cal

CAL
INST. FACTOR

In narrow installation conditions, the conductivity
measurement is influenced by the sensor’s distance
to the wall and the wall material. This effect can be
compensated for by the installation factor. The meter
corrects the cell constant by multiplying it with the
installation factor. The value of the installation factor
depends on the diameter and the conductivity of the
pipe as well as on the sensor’s distance from the wall.
If the distance from the wall is sufficient (> 15 mm
(0.59"), DN 80 or larger), it is not necessary to consid-
er the installation factor (1.00). If the distance from
the wall is smaller, the installation factor increases
(> 1) when the pipe is electrically insulating and de-
creases (< 1) when the pipe is electrically conductive.
See the instructions in the sensor manufacturer’s
documentation.

cal

Value blinks

Use



to set the installation factor.

cal

Calibration is performed.
Display: CELL CONSTANT, INST. FACTOR.
The meter then automatically returns to measuring mode.

INST. FACTOR Calibration

(For inductive conductivity measurement only or with Memosens
4-electrode sensor with specification of installation factor)

Selected in the configuration menu.

Calibration

Calibration

Note:

To abort calibration, you can press

meas

at any time.

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Summary of Contents for Portavo 904

Page 1: ...Portavo 904 X COND Portable Meter User Manual www knick de Read before installation Keep for future use ...

Page 2: ......

Page 3: ...shipment The consignment must always be accompanied by a corresponding return form to prevent service employees being exposed to potential hazards Further information can be found at www knick de Disposal The local codes and regulations must be observed when disposing of the product Repair The meter cannot be repaired by users For inquiries regarding repairs please con tact Knick Elektronische Mes...

Page 4: ...g On the Meter 15 Icons 15 Configuration 16 Calibration 17 Measurement 23 Toggling Between Compensated and Uncompensated Measured Values 23 Manually Adjusting the Temperature 23 Data Logger 24 Operating Modes of the Data Logger Logger Type 25 Data Logger Menu 27 Configuring the Data Logger 27 Configuring the Logger Type 28 Starting the Data Logger using CONT 29 Starting the Data Logger using START...

Page 5: ...ion 33 Enabling Options TAN Input 34 Access Codes for CONF CAL and Data Logger 35 Inputting the Rescue TAN 36 Paraly SW 112 PC Software 37 Error Codes and Device Messages 38 Sensoface Messages 39 Error Messages 40 Product Line 41 Accessories Options 41 Conductivity Sensors 42 Conductivity Standards 42 Specifications 43 Index 47 ...

Page 6: ...rt overview for attaching to the inside of the protective cover German English French Safety guide Quickstart guide in various languages Test report 2 2 according to EN 10204 For Portavo 904X COND Ex version EU Declaration of Conformity Control drawing no 209 009 110 ATEX IECEx cFMus User manuals certificates the Paraly SW 112 PC software and other product infor mation can be downloaded from www k...

Page 7: ...n exposed to extreme moisture Overview of the Portavo 904 X COND Quiver Scratch proof clear glass display perfectly readable even after years Very long operating times with one set of batteries 4x AA or use of a Li ion bat tery for reliable operation even at high or very low operating temperatures Li ion battery not suited for Portavo 904X COND for application in hazardous locations Data logger wi...

Page 8: ...ht Further more Memosens allows the storage of calibration data which will be available and can still be used when the sensor is connected to another Memos ens capable device Sensoface Sensoface provides quick information on the sen sor condition The three smiley faces as shown on the right represent the sensor condition during measurement and after a calibration When the condition deteriorates an...

Page 9: ...unctions and device messages Hook A fold out hook on the back allows the meter to be suspended This leaves your hands free for the actual measurement The nameplate is located beneath the hook Protective Cover and Hook Combined The two parts can be combined to form a benchtop stand enabling convenient and fatigue free work with the device at a laboratory table or desk Overview of the Portavo 904 X ...

Page 10: ...ed by means of icons Sensoface battery icon etc Some typical displays are shown here Measuring display of measured value and tem perature Calibration Calibration by entry of cell constant Logger data display of measured value memory location temperature date and time Clock display of hours and minutes seconds and date Calibration with KCl solution Overview of the Portavo 904 X COND ...

Page 11: ...e meter on Activates measuring mode Data logger stopping cal Start calibration set Activates configuration Confirms entries clock Displays time and date allows setting the clock using set RCL View stored values STO Holds and saves a measured value allows setting and starting of the logger by pressing set page 24 When this icon is displayed you can use the arrow keys for navigation Overview of the ...

Page 12: ...mperatures above 70 C 158 F after severe transport stresses In this case a professional routine test must be performed This test should be carried out at our factory A special lithium ion battery ZU 0925 suited to the battery compartment is avail able for the Portavo 904 Only this battery type can be charged directly from the USB port Note Not available for the Portavo 904X device variant for appl...

Page 13: ...tteries 4x each Temp class Ambient temperature range Duracell MN1500 1 T4 10 C Ta 40 C Energizer E91 T3 10 C Ta 50 C Power One 4106 T3 10 C Ta 50 C Panasonic Pro Power LR6 T3 10 C Ta 50 C A battery icon in the display indicates the battery power level Icon fully filled Batteries at full capacity Icon partially filled Battery capacity is sufficient Icon empty Battery capacity not sufficient calibra...

Page 14: ...r and switches accordingly Memosens is signaled in the display Separate Temperature Probe Note Temperature measurement using a separate temperature probe is only possi ble when no Memosens sensor is connected After power on a separate temperature probe is automatically recognized If you want to replace the temperature probe you must switch off the meter and then switch it on again a b c d e Connec...

Page 15: ...and Memosens Sensors The meter initially starts in analog measuring mode If a Memosens sensor is con nected and detected during operation the meter switches to Memosens If the Memosens sensor is now removed the meter remains in Memosens mode If you want to resume measurements with an analog sensor the meter needs to be restarted by pressing the on off key The Memosens cable may remain connected Er...

Page 16: ...INEAR 0 0 20 0 K 2 1 K if TC LINEAR REF TEMP 0 100 C 25 0 C 32 212 F 77 F if TC LINEAR CONC TABLE 01 10 if display Conc For concentration determination see page2145 CAL CELL CONST COND 0 01 MOL KCL 0 1 MOL KCL INST FACTOR ZERO POINT TEMP OFFSET Opt FREE CAL AUTO OFF OFF 12h 6h 1h 0 1h TEMP UNIT C F TIME FORMAT 24h 12h DATE FORMAT DD MM YY MM DD YY TAN TEMP CAL Enter TAN to enable option see page 3...

Page 17: ... CONST Calibration Calibration by entry of cell constant The calibration method is selected in the configuration menu Measurement cal CAL COND Dip sensor in solution Value blinks Use to set the temperature corrected conduc tivity value Note Here the meter does not perform a temperature compensation cal Calibration is performed Display CELL CONSTANT The meter then automatically returns to measuring...

Page 18: ...rformed Display CELL CONSTANT The meter then automatically returns to measuring mode Calibration Important notes Make sure that the values of the calibration solutions used correspond exactly to those specified in this manual If not the resulting cell constant will be incorrect When calibrating in a liquid make sure that the conductivity sensor any sepa rate temperature probe and the calibration s...

Page 19: ...arger it is not necessary to consid er the installation factor 1 00 If the distance from the wall is smaller the installation factor increases 1 when the pipe is electrically insulating and de creases 1 when the pipe is electrically conductive See the instructions in the sensor manufacturer s documentation cal Value blinks Use to set the installation factor cal Calibration is performed Display CEL...

Page 20: ...een calculated Calibration is performed Calibration is performed Display CELL CONSTANT ZERO POINT INST FACTOR The meter then automatically returns to measuring mode ZERO POINT Calibration For inductive conductivity measurement only calibrating the sensor zero point Selected in the configuration menu Note To abort calibration you can press meas at any time Calibration ...

Page 21: ...point temperature measured by sensor offset display in K cal Temperature setpoint value blinks Use to set the temperature setpoint value cal Calibration is performed Display TEMP OFFSET The meter then automatically returns to measuring mode TEMP OFFSET Calibration option Temperature calibration offset Selected in the configuration menu Note To abort calibration you can press meas at any time Calib...

Page 22: ...T blinks Use to select a calibration method de pending on the connected sensor CELL CONST COND 0 01 MOL KCL 0 1 MOL KCL INST FAC TOR ZERO POINT TEMP OFFSET cal Perform the selected calibration as described on the previous pages The meter then automatically returns to measuring mode Note To abort calibration you can press meas at any time Calibration ...

Page 23: ...e a measured value see data logger page 24 Measurement can also be controlled using the Paraly SW 112 PC software Toggling Between Compensated and Uncompensated Measured Values With temperature compensation TC activated you can press the meas key during measurement to toggle between display of compensated and uncompensated values Keys for measurement Manually Adjusting the Temperature When you con...

Page 24: ... following data are recorded primary value temperature time stamp and device status Option 001 SOP can be used to set up an access lock for the data logger which in the absence of an access code allows only logger data to be displayed see page 34 The Paraly SW 112 software allows convenient management of the data logger It is always the currently selected process variable which is recorded The STO...

Page 25: ...last recorded value 1 Manual Logging when Logger is Deactivated Measurement Logger deactivated STO Measured value is maintained Proposed address blinks address of the last recorded value 1 If desired Select a start address using STO Measured value is saved to the desired address e g for overwriting an incorrect measurement Example Logger type INT Interval INT In this mode the measured values are c...

Page 26: ...Difference Interval Combined DIFF INT When the delta range related to the last DIFF entry is exceeded a new entry is creat ed example entry A and the delta range is displaced upwards or downwards by the delta value As long as the measured value remains within the delta range logging is performed at the preset interval The first DIFF entry is automatically created when the data logger is started Ti...

Page 27: ... below Data Logger Configuring the Data Logger Prerequisite The data logger is stopped press meas Measurement Measured value is maintained Logger CONT blinks Logger START blinks Logger DEL blinks Logger SET blinks Logger Current logger type blinks Select desired logger type using DIFF INT DIFF INT or SHOT Select the appropriate parameters using and confirm each selection by press ing set When conf...

Page 28: ...AL OFF 0 1 45 0 g kg Delta TDS OFF 1 5000 mg l Delta C F OFF 0 1 50 0 C 1 0 C OFF 0 1 100 0 F 1 0 F INT Interval h mm ss 0 00 01 9 59 59 0 01 00 DIFF INT DIFF See logger type DIFF INT See logger type INT SHOT Currently selected process variable is saved 1 Process variables dependent on configuration see page 16 Configuring the Logger Type ...

Page 29: ...lue is saved to the selected start address exception SHOT FREE MEMORY is displayed LOGGER and active logger type icons are displayed Starting the Data Logger using START Prerequisite Data logger is configured All existing entries are deleted The start address for saving the values is 0001 Every time the meter has been switched off the data logger must be restarted exception SHOT Measurement STO Me...

Page 30: ...nvenient management of the data logger Measurement RCL The RCL icon and the last record ed value is displayed Use to select the desired address Empty memory locations will also be dis played RCL or meas Return to measurement Example Measured value stored at location 0026 Example Empty memory location 0004 Data Logger ...

Page 31: ... SET set All stored data are deleted 0000 DELETED is displayed Stopping the Data Logger You can stop the data logger at any time by pressing the meas key Measurement logger activated meas Data logger is stopped LOGGER and active logger type icons are no longer displayed It is still possible to hold a measured value by pressing STO and send it to any desired address Data Logger ...

Page 32: ...lock proceed as follows Display of time date Hour display blinks SET HOUR Set value Minute display blinks SET MINUTE Set value Second display blinks and shows 00 Clock is started the seconds count up Year display blinks SET YEAR Set value Month display blinks SET MONTH Set value Day display blinks SET DAY Set value Display of corrected time date ...

Page 33: ...are see page 35 Configuration SETUP CODE Calibration CAL CODE Data logger LOGGER CODE Without entry of an access code the data logger will only display logger data RCL Temperature Calibration also separately available as Option 002 TEMP CAL Option 002 TEMP CAL Temperature Calibration For Memosens sensors you can perform a 1 point calibration of the internal temperature detector See page 21 for a d...

Page 34: ...eys to select the TAN TEMP CAL function for exam ple where you can enter the TAN for enabling the option set TAN TEMP CAL Press the set key set Enter the TAN code First digit blinks Set value set Next digit blinks Set value set Set value press set to save the TAN After correct input of the TAN the device signals PASS The option is now available Enabling Options TAN Input Options ...

Page 35: ...inks Set value set Set value press set to save the configuration access code When accessing the configuration menu you will be prompted to enter an access code If you want to set a code for access to calibration or the data logger select CAL CODE or LOGGER CODE and proceed as described above Note Functions are accessible to anyone with access code 0000 Important Note If you lose the SETUP access c...

Page 36: ...SCUE For this purpose please have the serial number of the corresponding device to hand If you have any questions please contact Knick Elektronische Messgeräte GmbH Co KG using the contact details provided on the last page of this document The menu for input of the rescue TAN appears if the SETUP access code is incorrectly entered three times ...

Page 37: ...ive Windows user interface Easy configuration and management of several meters Display of device and sensor information Convenient management and evaluation of the data logger Export function for Microsoft Excel Print function Upgrade downgrade of device firmware Note Prior to upgrading downgrading the device firmware Portavo is reset to its factory settings Make the following backups prior to upg...

Page 38: ...uest Measurement can still be performed After a calibra tion the corresponding Sensoface icon friendly neutral sad is shown togeth er with the calibration data Otherwise Sensoface is only visible in measuring mode The most important error messages and Sensoface info messages are shown on the inside of the protective cover A complete list of messages and their meanings is provided in the following ...

Page 39: ...on the sensor condition Sensoface Meaning Sensor is okay Calibrate the sensor soon Calibrate or replace the sensor The neutral and sad Sensoface icons are accompanied by an INFO message to give a hint to the cause of deterioration Sensoface Message Cause INFO 6 Response time INFO 10 Polarization ...

Page 40: ...11 Measured value unstable Drift too high Leave the sensor in the liquid until the temperature is stable If this does not help replace the sensor ERROR 14 Time and date invalid Set time and date ERROR 18 Configuration invalid Restart reset to factory settings Setup DEFAULT YES configure and calibrate If this does not help send in the device for repair ERROR 19 Factory settings error Device defecti...

Page 41: ...U0290 Base stand for mounting up to 3 sensors with base plate made of stainless steel ZU6953 Measuring cable with M8 connector for sensors with Memosens connector Length 1 5 m 4 92 ft CA MS 001XFA L Length 2 9 m 9 51 ft CA MS 003XFA L Measuring cable for digital toroidal conductivity sensors with Memosens protocol 4 pin M12 coupling 4 pin M8 connector CA M12 001M8 L Measuring cable for connecting ...

Page 42: ...from www knick de Conductivity Sensors Please visit our website for more information on our product range www knick de Conductivity Standards for determining a cell constant Ready to Use Solutions Quantity Order No 1 3 µS cm KCl 300 ml ZU0701 15 µS cm KCl 500 ml CS C15K 500 147 µS cm 0 001 mol l KCl 500 ml CS C147K 500 1413 µS cm 0 01 mol l KCl 500 ml CS C1413K 500 12 88 mS cm 0 1 mol l KCl 500 ml...

Page 43: ...rapure water with traces NaOH ultrapure water with traces Concentration determination See page 45 Temperature input Multi contact for sensors with integrated temperature detector or 2x Ø 4 mm for separate temperature detector Measuring ranges NTC30 temperature detector 20 120 C 4 248 F Pt1000 temperature detector 40 250 C 40 482 F Measuring cycle Approx 1 s Measurement error1 2 3 0 2 K Tamb 23 C 7...

Page 44: ...ture adjustable nLF 0 120 C 32 248 F NaCl HCl ultrapure water with traces NH3 ultrapure water with traces NaOH ultrapure water with traces Concentration determination See page 45 Sensor adjustment Operating modes CELL CONST Enter cell constant COND Entry of calibration solution conductivity 0 1 0 01 MOL KCL Automatic determination of cell constant with KCI solution INST FACTOR 2 Entry of installat...

Page 45: ...fications Connections 1 x DIN socket 8 pins for analog sensors 2 x 4 mm socket for separate temperature detector 1x M8 socket 4 pins for Memosens lab cable 1 x micro USB B for data transmission to PC Portavo 904X Be sure to observe the safety instructions when using the USB port Display LCD STN 7 segment display with 3 lines and icons Sensoface Status display friendly neutral sad Status indicators...

Page 46: ...or entity parameters RoHS conformity According to directive 2011 65 EU Power supply Portavo 904 Batteries 4x AA alkaline or 4x NiMH rechargeable or 1x Li ion battery USB chargeable Portavo 904X 4x AA batteries For battery types see Control Drawing No 209 009 110 Operating time Approx 1000 h alkaline Rated operating conditions Ambient temperature 10 C 55 C Ambient temperature 904X 10 C Ta 40 C T4 D...

Page 47: ...y capacity 13 Battery compartment 12 Battery icon 13 Battery replacement 12 Benchtop stand 9 C CAL CODE 33 Calibration 0 01 0 1 mol KCl 18 Calibration access control 33 Calibration COND 17 cal key 11 Cell constant calibration 17 Cell constant calibration 17 CELL CONST calibration 17 Charge level of batteries 13 Clearing the data logger 31 Clock 32 clock key 11 Commissioning 12 Compensated measured...

Page 48: ...s control 33 Data logger configuration 27 Data logger menu 27 Data logger stopping 31 Data memory 24 Data of the meter 43 Date 32 Deleting data logger entries 31 Delta range data logger 26 Device configuration 16 Device messages 38 Device properties 7 Difference Interval data logger mode 26 Difference data logger mode 26 Display 10 Display icons 15 Displaying the data logger 24 Displaying the time...

Page 49: ...essages 39 Inserting the batteries 12 Installation factor calibration 19 INST FACTOR calibration 19 Intended use 7 Interfaces 14 Interrupting the data logger 31 Interval data logger mode 25 Introduction 7 K KCl solution calibration 18 Keypad 11 L Laboratory cable for Memosens sensors 41 Li ion battery accessory 41 Lithium ion battery 12 Logger 24 LOGGER CODE 33 Logger type configuration 28 Logger ...

Page 50: ...ns sensors 14 Menu of data logger 27 Menu structure of configuration 16 Menu structure of data logger 27 Messages 38 Micro USB port 14 Minutes display 32 N Nameplate 9 O on off key 11 on off switch on 15 Operating modes of the data logger 25 Option 001 SOP 33 Option 002 TEMP OFFSET 33 Options order codes 42 Options overview 33 Options TAN input 34 Order numbers accessories 41 Overview 7 Overview o...

Page 51: ...ive cover 9 R RCL displaying the logger data 30 RCL key 11 Real time clock 7 Rechargeable battery Li ion 12 Recorded data display 30 Reference numbers accessories 41 Repair 3 Replacement quiver accessory 41 Rescue TAN 36 Reset to factory settings 16 Returns 3 S Safety Instructions 6 Saving the currently measured value 25 Seconds display 32 Sensoface messages 39 Sensor check option 33 Sensor connec...

Page 52: ...anual logging 25 Stopping the data logger 31 Structure of data logger 27 Suspending the meter 9 Switching on the meter 15 Switching the measurement display 23 Symbols in display 15 T T3 temperature class 13 T4 temperature class 13 Table of error messages 40 Table view of configuration 16 TAN input 34 Technical data 43 Temperature calibration TEMP OFFSET Option 21 Temperature class 13 Temperature d...

Page 53: ...53 V Value added features 8 Viewing recorded data 30 Viewing the logger data 30 Z Zero calibration inductive conductivity measurement 20 ZERO POINT calibration 20 Index ...

Page 54: ...80191 0 Fax 49 30 80191 200 info knick de www knick de Local Contacts www knick international com Copyright 2021 Subject to change Version 3 This document was last updated on March 31 2021 The latest documents are available for download on our website under the corresponding product description TA 209 4CD KNEN03 ...

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