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Knick PORTAVO 904X PH, User Manual

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Knick PORTAVO 904X PH User Manual Download Page 7

7

Intended Use

The Portavo 904(X) PH is a portable pH me-
ter. With a plain text line on a high-contrast 
LCD, operation is largely intuitive. The device 
variant 904X PH is available for applications 
in hazardous locations up to Zone 0.
The meter stands out by the following fea-
tures:
•  Use of digital Memosens sensors
•  Memosens sensors and DIN pH sensors 

can be used on one device.

•  A detachable quiver protects the sensor 

and prevents it from drying out. Further-
more, it can be used for calibration. 

•  The rugged housing is made of a 

high-performance polymer. It provides 
high impact resistance and dimensional 
stability even when exposed to extreme 
moisture.

Overview of the Portavo 904(X) PH 

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 904 X PH for application in hazardous locations)

•  Data logger with 5000 values
•  Micro USB port for communication with Paraly SW 112 PC software for data 

 evaluation of digital sensors (Memosens)

•  Sensoface icons provide single-glance information on the sensor condition 

(page 40)

•  Calibration with “Calimatic” automatic buffer recognition (page 17)
•  Manual calibration by free specification of buffer values
•  Real-time clock and display of battery charging level
•  At measuring temperatures from -20 to +100 °C the temperature detector can be 

automatically identified.

Summary of Contents for PORTAVO 904X PH

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

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 contact Knick Elektronische Mes...

Page 4: ...4 Switching On the Meter 15 Icons 15 Configuration 16 Calibration 17 Measurement 25 Toggling the Measurement Display 25 Manually Adjusting the Temperature 25 Data Logger 26 Operating Modes of the Data Logger Logger Type 27 Data Logger Menu 29 Configuring the Data Logger 29 Configuring the Logger Type 30 Starting the Data Logger using CONT 31 Starting the Data Logger using START 31 Displaying the L...

Page 5: ...ing Options TAN Input 36 Access Codes for CONF CAL and Data Logger 37 Inputting the Rescue TAN 38 Paraly SW 112 PC Software 39 Error Codes and Device Messages 40 Sensoface Messages 41 Error Messages 42 Product Line 43 Accessories Options 43 pH Sensors 44 Knick CaliMat Buffer Solutions 45 Specifications 46 Buffer Tables 50 Index 60 ...

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 PH 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 kni...

Page 7: ...rview of the Portavo 904 X PH 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 904 X PH for application in hazardous locations Data logger with 5000 values Micro USB port for co...

Page 8: ...uick 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 INFO message provides additional information on the cause Automatic Calibration with Calimatic Calimatic is a very convenient method for pH calibration with automatic buffer recognition You only have to s...

Page 9: ...functions and device messages Overview of the Portavo 904 X PH 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 d...

Page 10: ...is provided by means of icons Sensoface battery icon etc Some typical displays are shown here Measuring display of measured value tempera ture date and time Calibration step 1 Logger data display of measured value memory location temperature date and time Clock display of hours and minutes seconds and date End of calibration display of slope Overview of the Portavo 904 X PH ...

Page 11: ... 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 26 When this icon is displayed you can use the arrow keys for navigation Overview of the P...

Page 12: ...emperatures 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 available 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: ...ries 4x each Temperature 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 cal...

Page 14: ...og pH input of the Portavo is an electrometer amplifier with an extremely high impedance When the sensor is not in contact with the medium or not connected to the meter electric charges on the input can generate arbitrary stable pH or mV values which will be shown in the display Memosens sensors have a cable coupling that allows for the convenient replace ment of sensors while the cable remains co...

Page 15: ...de Alternating Use of Analog 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 ...

Page 16: ...nual FREE CAL 01 Mettler Toledo 2 00 4 01 7 00 9 21 02 Knick CaliMat 2 00 4 00 7 00 9 00 12 00 03 Ciba 94 2 06 4 00 7 00 10 00 04 NIST Technical 1 68 4 00 7 00 10 01 12 46 05 NIST Standard 1 679 4 006 6 865 9 180 06 HACH 4 01 7 00 10 01 12 00 07 WTW techn buffers 2 00 4 01 7 00 10 00 08 Hamilton 2 00 4 01 7 00 10 01 12 00 09 Reagecon 2 00 4 00 7 00 9 00 12 00 10 DIN 19267 1 09 4 65 6 79 9 23 12 75...

Page 17: ...uccessive display of CAL DATA 1 2 3 CAL POINTS ZERO POINT SLOPE The meter then automatically returns to measuring mode CALIMATIC Calibration Calibration with automatic buffer recognition The calibration method is selected in the configuration menu Calibration is required to adjust the sensor to the meter It is indis pensable for achieving comparable and reproducible measurement results Note To abo...

Page 18: ...is repeated mV value blinks until calibration is completed then successive display of CAL DATA 1 2 3 CAL POINTS ZERO POINT SLOPE The meter then automatically returns to measuring mode MANUAL Calibration Manual calibration The calibration method is selected in the configuration menu Note To abort calibration you can press meas at any time This will be confirmed by the CAL ABORTED display message Ex...

Page 19: ...calibration data will be displayed successively Date and time ZERO POINT SLOPE The meter then automatically returns to measuring mode DATA INPUT Calibration Calibration by entering known sensor values The calibration method is selected in the configuration menu Note To abort calibration you can press meas at any time Calibration ...

Page 20: ...displayed The meter then automatically returns to measuring mode Keep the sensor connected to the Portavo while performing the next calibration step The operating point will be taken into account for the following calibration When using ISFET sensors for pH measurement the individual operating point of the sensor first needs to be determined and should be in the pH 6 5 pH 7 5 range The sensor is i...

Page 21: ... 112 PC software you specify which buffers are to be used in which sequence You can combine buffer solutions from different buffer sets Please note that the minimum distance allowed between two buffer solutions is Δ 2 pH SOP calibration allows you to use up to 3 buffers for adjustment use a 4th point for verification verification buffer specify a maximum deviation from the verification buffer use ...

Page 22: ...y the sensor After calibration has been activated the follow ing values are listed in the display ORP setpoint in mV temperature measured by sensor measured ORP value in mV cal ORP setpoint blinks Use to set the ORP value cal Calibration is performed the offset value is indicated The meter then automatically returns to measuring mode Note To abort calibration you can press meas at any time Calibra...

Page 23: ...nt temperature measured by sensor offset display in K cal Temperature setpoint value blinks Use to set the temperature setpoint value cal Calibration is performed the offset value is indicated The meter then automatically returns to measuring mode TEMP OFFSET OFFSET option Temperature calibration offset Selected in the configuration menu Note To abort calibration you can press meas at any time Cal...

Page 24: ... or pH ORP combo sensors or TEMP OFFSET Option 001 cal Perform the selected calibration as described on the previous pages The meter then automatically returns to measuring mode FREE CAL Calibration Free selection of calibration method FREE CAL calibration is selected in the configuration menu Note To abort calibration you can press meas at any time Calibration ...

Page 25: ...asured value see data logger page Data Logger on page 26 Measurement can also be controlled using the Paraly SW 112 PC software Toggling the Measurement Display During measurement you can toggle between pH and mV display by pressing the meas key With a pH ORP combo sensor connected the display toggles between the pH and ORP values in mV Keys for measurement Manually Adjusting the Temperature When ...

Page 26: ...a 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 35 The Paraly SW 112 PC software allows convenient management of the data logger It is always the currently selected process variable which is recorded The STO icon and t...

Page 27: ... the 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 Data Logger Interval INT In this mode the meas...

Page 28: ...lta Delta 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 ...

Page 29: ... 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 set Select the appropriate parameters using and confirm each selection by press ing set When configurati...

Page 30: ... 1000 mV 1 mV 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 31: ... 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 Measured value...

Page 32: ...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 33: ... 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 34: ...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 35: ...fer as delta pH Sensor Verification The Paraly SW 112 PC software allows a sensor to be assigned to the device See the Paraly SW 112 PC software user manual Setup Cal Logger Code Access codes can be set on the meter or using the Paraly SW 112 PC software see page 37 Configuration SETUP CODE Calibration CAL CODE Data logger LOGGER CODE Without entry of an access code the data logger will only displ...

Page 36: ...s to select the TAN TEMP CAL function for exam ple where you can enter the TAN for enabling the option set TAN TEMP CAL set 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 37: ...digit blinks 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 ...

Page 38: ...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 39: ...erface Easy configuration and management of several meters Display of device and sensor information Configuration of individual buffer sets 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 ...

Page 40: ...Measurement can still be performed After a calibration the corre sponding Sensoface icon friendly neutral sad is shown together 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 tables...

Page 41: ...he 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 1 Calibration timer INFO 3 Sensocheck INFO 5 Zero Slope INFO 6 Response time INFO 7 ISFET Operating point asymmetry potential INFO 8 ISFET Leakage current INFO 9 ORP offset ...

Page 42: ...alibration error Buffer unknown Make sure that you use the same buffer set as configured ERROR 10 Cal media interchanged Repeat calibration ERROR 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 set...

Page 43: ...ess sensors with Ø 12 mm and PG 13 5 thread made of PVDF ZU1121 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 Temperature Detectors Order No Pt1000 temperature detector ZU6959 Pt1000 temperature detector with angled c...

Page 44: ... adjust ment in the Memosens sensor offset correction SW P001 Temperature detector adjustment in the Memosens sensor offset correction SW P002 Paraly SW112 PC software for configuration and firmware updates Free download from www knick de pH Sensors Please visit our website for more information on our product range www knick de Product Line ...

Page 45: ...400 1000 3000 ml CS P0400 3000 7 00 250 ml CS P0700 250 1000 ml CS P0700 1000 3000 ml CS P0700 3000 9 00 250 ml CS P0900 250 1000 ml CS P0900 1000 3000 ml CS P0900 3000 12 00 250 ml CS P1200 250 Buffer Solution Sets 20 C 68 F Set 4 00 3 x 250 ml CS PSET4 Set 7 00 3 x 250 ml CS PSET7 Set 9 00 3 x 250 ml CS PSET9 Set 4 00 7 00 9 00 250 ml each CS PSET479 KCl solution 3 molar 250 ml ZU0062 ...

Page 46: ...ated or separate temperature probe Measuring ranges NTC30 temp detector 20 120 C 4 248 F Pt1000 temp detector 40 250 C 40 482 F Measuring cycle Approx 1 s Measurement error1 2 3 0 2 K Tamb 23 C 73 4 F TC 25 ppm K Specifications User defined 1 At rated operating conditions 2 1 digit 3 Plus sensor error 4 Ranges dependent on Memosens sensor Memosens pH input also ISFET M8 socket 4 pin for Memosens l...

Page 47: ...tic buffer sets 01 Mettler Toledo 2 00 4 01 7 00 9 21 02 Knick CaliMat 2 00 4 00 7 00 9 00 12 00 03 Ciba 94 2 06 4 00 7 00 10 00 04 NIST technical 1 68 4 00 7 00 10 01 12 46 05 NIST standard 1 679 4 006 6 865 9 180 06 HACH 4 01 7 00 10 01 12 00 07 WTW techn buffers 2 00 4 01 7 00 10 00 08 Hamilton 2 00 4 01 7 00 10 01 12 00 09 Reagecon 2 00 4 00 7 00 9 00 12 00 10 DIN 19267 1 09 4 65 6 79 9 23 12 ...

Page 48: ...r event controlled Communication USB 2 0 Profile HID driverless installation Usage Data exchange and configuration via Paraly SW 112 PC software Diagnostic functions Sensor data Memosens only Manufacturer sensor type serial number operating time Calibration data Calibration date zero point slope Device self test Automatic memory test FLASH EEPROM RAM Device data Device type software version hardwa...

Page 49: ...perating conditions Ambient temperature 10 C 55 C 14 122 F Ambient temperature 904X 10 C Ta 40 C T4 Duracell MN1500 10 C Ta 50 C T3 Energizer E91 10 C Ta 50 C T3 Power One 4106 10 C Ta 50 C T3 Panasonic Pro Power LR6 Transport Storage temperature 25 70 C 13 158 F Relative humidity 0 95 brief condensation permissible Housing Material PA12 GF30 silver gray RAL 7001 TPE black Protection IP66 67 with ...

Page 50: ...50 pH Buffer Tables 01 Mettler Toledo Nominal values in bold C pH ...

Page 51: ...51 pH 02 Knick CaliMat Nominal values in bold C pH Buffer Tables ...

Page 52: ...52 pH 03 Ciba 94 Nominal values 2 06 4 00 7 00 10 00 C pH 1 extrapolated Buffer Tables ...

Page 53: ...53 pH 04 Technical Buffers to NIST Nominal values in bold C pH 1 values added Buffer Tables ...

Page 54: ...tificate of an accredited laboratory This certificate is supplied with the respective buffers Only these pH S values shall be used as standard values for the secondary reference buffer materials Correspondingly this standard does not include a table with standard pH values for practical use The table above only provides examples of pH S values for orientation Buffer Tables ...

Page 55: ...55 pH 06 HACH Nominal values 4 01 7 00 10 01 0 02 at 25 C C pH Buffer Tables ...

Page 56: ...56 pH 07 WTW Technical Buffers Nominal values in bold C pH Buffer Tables ...

Page 57: ...57 pH 08 Hamilton Nominal values in bold C pH Buffer Tables ...

Page 58: ...58 pH Buffer Tables 09 Reagecon Nominal values in bold C pH 1 values added ...

Page 59: ...59 pH Buffer Tables 10 DIN 19267 Nominal values in bold C pH 1 extrapolated ...

Page 60: ...3 Battery capacity 13 Battery charge indicator 7 Battery compartment 12 Battery icon 13 Battery replacement 12 Benchtop stand 9 Buffer sets 45 Buffer sets configuring pH 39 Buffer Tables 50 C CAL CODE 35 Calibration access control 35 Calibration ISFET 20 Calibration pH Calimatic 17 Calibration pH data input 19 Calibration pH manual 18 CaliMat buffer solutions 45 Calimatic automatic calibration 17 ...

Page 61: ...Data logger configuration 29 Data logger menu 29 Data logger stopping 33 Data memory 26 Data of the meter 46 Date 34 Delete the data logger 33 Deleting data logger entries 33 Delta range data logger 28 Device configuration pH 16 Device messages 40 Device properties 7 8 Difference Interval data logger mode 28 Difference data logger mode 28 Display 10 Display icons 15 Displaying the data logger 26 D...

Page 62: ...ges 41 Inserting the batteries 12 Intended Use 7 Interfaces 14 Interrupting the data logger 33 Interval data logger mode 27 Introduction 7 ISFET calibration 20 K Keypad 11 Knick CaliMat buffer solutions 45 L Laboratory cable for Memosens sensors 43 Li ion battery accessory 43 Lithium ion battery 12 Logger 26 LOGGER CODE 35 Logger type configuration 30 Logger type data logger modes 27 M Manual cali...

Page 63: ...inutes display 34 N Nameplate 9 O on off key 11 on off switch on 15 Operating modes of the data logger 27 Option 001 SOP 35 Option 001 SOP calibration 21 Option 002 TEMP OFFSET 35 Options order codes 44 Options overview 35 Options TAN input 36 Order numbers accessories 43 ORP calibration 22 ORP OFFSET calibration 22 Overview 7 Overview of error messages 42 Overview of pH Configuration 16 P Package...

Page 64: ...RCL key 11 Real time clock 7 Rechargeable battery Li ion 12 Recorded data display 32 Reference numbers accessories 43 Repair 3 Replacement quiver accessory 43 Rescue TAN 38 Reset to factory settings 16 Returns 3 S Safety Instructions 6 Saving the currently measured value 27 Seconds display 34 Sensoface 8 Sensoface messages 41 Sensor check option 35 Sensor connection 14 Sensor protection accessory ...

Page 65: ...ng 27 Stopping the data logger 33 Structure of data logger 29 Suspending the meter 9 Switching on the meter 15 Switching the measurement display 25 Symbols in display 15 T T3 temperature class 13 T4 temperature class 13 Table of error messages 42 Table of pH configuration 16 TAN input 36 Technical data 46 Temperature calibration TEMP OFFSET option 23 Temperature class 13 Temperature detectors acce...

Page 66: ...66 V Value added features 8 Viewing recorded data 32 Viewing the logger data 32 Index ...

Page 67: ......

Page 68: ...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 4PH KNEN03 ...

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