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VWR MD 8000 L, Operating Manual

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VWR MD 8000 L Operating Manual Download Page 54

Conductivity

MD 8000 L

54

ba77218e01

11/2018

Calibration evalua-

tion

After calibration, the meter automatically evaluates the current status of the cal-
ibration. The evaluation appears on the display and in the calibration record.

Calibration record

(

USB output

)

Display

Calibration record

Cell constant [cm

-1

]

+++

Within the range
0.450 ... 0.500 cm

-1

Error

Error

Outside the range
0.450 ... 0.500 cm

-1

Error elimination (see section 15 
W

HAT

 

TO

 

DO

 

IF

..., page 84)

CALIBRATION Cond

01.11.2018 07:43:33

IDP 761-C

Ser. no. 09250033

Cell constant 0.476 1/cm       25.0 °C

Sensor

 

+++

Summary of Contents for MD 8000 L

Page 1: ...ba77218e01 11 2018 VWR MD 8000 L Multi Parameter Meter OPERATING MANUAL European Catalogue Number s PH SET 665 0498 PH BIO SET 665 0499 8000 L MD Version 1 Issued November 28 2018 8 14 am...

Page 2: ...MD 8000 L 2 ba77218e01 11 2018 Legal Address of Manufacturer VWR International bvba Researchpark Haasrode 2020 Geldenaaksebaan 464 B 3001 Leuven 32 16 385011 http be vwr com Country of origin Germany...

Page 3: ...echnical data 11 3 1 Measuring ranges resolution accuracy 11 3 2 General data 11 4 Commissioning 13 4 1 Scope of delivery 13 4 2 Power supply 13 4 3 Initial commissioning 13 4 3 1 Inserting the batter...

Page 4: ...ing D O 41 8 1 2 Measuring the temperature 43 8 2 Calibration 43 8 2 1 Why calibrate 43 8 2 2 When to calibrate 43 8 2 3 Calibration procedures 44 8 2 4 Calibration in water vapor saturated air 44 8 2...

Page 5: ...11 6 1 System 69 11 6 2 Data storage 70 11 6 3 Automatic Stability control 70 11 6 4 Automatic switch off function 71 11 6 5 Display illumination 71 11 7 Reset 71 11 7 1 Resetting the measurement set...

Page 6: ...t to do if 84 15 1 pH 84 15 2 Dissolved oxygen 85 15 3 Conductivity 86 15 4 General topics 86 16 Firmware update 88 16 1 Firmware update for the meter MD 8000 L 88 16 2 Firmware update for IDP sensors...

Page 7: ...might be damaged if the actions mentioned are not taken 1 1 2 Safety signs on the meter Note all labels information signs and safety symbols on the meter and in the battery compartment A warning symbo...

Page 8: ...ion 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 mentione...

Page 9: ...sensor recognition Data transmission via the USB interface USB B 2 2 Sensors A measuring system ready to measure consists of the MD 8000 L meter and a suitable sensor Suitable sensors are IDP pH senso...

Page 10: ...gn measurement data to an IDP sensor Measurement datasets are always stored and output with the sensor name and sensor series number to assign calibration data to an IDS sensor Calibration data and ca...

Page 11: ...prox 230 x 190 x 80 mm 9 06 x 7 48 x 3 15 inches Weight Approx 0 8 kg 1 76 pounds Mechanical structure Type of protection IP 43 Electrical safety Protective class III Test certificates CE Ambient cond...

Page 12: ...t 9 Vdc 1100 mA Primary plugs Primary plugs contained in the scope of delivery Euro US UK and Australian USB interface device Type USB 1 1 USB B Device PC Baud rate Adjustable 1200 2400 4800 9600 1920...

Page 13: ...he MD 8000 L is supplied with power in the following ways Mains operation with the supplied power pack Battery operation 4 batteries 1 5 V Mignon type AA USB operation via a connected USB B cable 4 3...

Page 14: ...r 1 Battery compartment CAUTION Make sure that the poles of the batteries are positioned cor rectly The signs on the batteries must correspond to the signs in the battery compartment 2 Place four batt...

Page 15: ...be mounted at the right side of the meter CAUTION Use original power packs only see section 3 2 GENERAL DATA page 11 1 Connect the plug of the power pack to the socket for the power pack on the MD 80...

Page 16: ...tion on a sensor On Off Switches the meter on or off MODE Selects the measured parameter Quits the settings CAL CAL__ Calls up the calibration procedure Displays the calibration data STR STR_ Saves a...

Page 17: ...ymbol calibration evaluation calibration interval 5 Measured temperature with unit 6 Status information meter 7 Softkeys and date time AR Stability control AutoRead is active HOLD Measured value is fr...

Page 18: ...softkey 1 IDP sensors pH ORP conductivity D O 2 USB B device interface 3 Power pack 4 Service interface CAUTION Only connect sensors to the meter that cannot return any volt ages or currents that are...

Page 19: ...On Off The meter performs a self test 2 Connect the sensor The meter is ready to measure 25 0 7 007 pH C More 01 11 2018 08 00 IDP 711 B09250001 pH resolution 0 001 mV resolution 0 1 Buffer TEC Calibr...

Page 20: ...lection is done with the keys The current selection is dis played with a frame Submenus The name of the submenu is displayed at the upper edge of the frame Sub menus are opened by confirming with OK E...

Page 21: ...arried out by confirming with OK Example Display the Calibration record function General Interface Clock function Service information Reset System 01 11 2018 08 00 Back Language Deutsch Audio signal o...

Page 22: ...key The measured value display appears The instrument is in the measuring mode 2 Using OK_ open the Storage config menu The instrument is in the setting mode Calibration record Calibration data storag...

Page 23: ...tion is displayed with a frame 6 Open the General submenu with OK 7 Open the setting mode for the Language with OK System Data storage Storage config 01 11 2018 08 00 Back General Interface Clock func...

Page 24: ...ntervals 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 8 Select the required l...

Page 25: ...The seconds are highlighted 6 Change and confirm the setting with and OK The time is set 7 If necessary set the Date and Date format The setting is made similarly to that of the time 8 To make further...

Page 26: ...e stability range when the automatic Stability control is switched off You can start the Stability control manually at any time irrespective of the set ting for automatic Stability control see section...

Page 27: ...the measured value is assessed as not stable A progress bar is displayed and the display of the measured parameter flashes The HOLD AR status indicator appears as soon as a stable mea sured value is...

Page 28: ...MENTS page 62 Use one to five buffer solutions of the selected buffer set in any order Below calibration with Technical buffers TEC is described When other buffer sets are used other nominal buffer va...

Page 29: ...urement with stability control or accept the calibration value with OK The calibration display for the next buffer appears voltage display 8 If necessary finish the calibration procedure as a single p...

Page 30: ...he stability control and take over the calibration value with OK The calibration display for the next buffer appears voltage display 14 If necessary finish the calibration procedure as a two point cal...

Page 31: ...tion record is displayed or Switch to calibration with the next buffer with OK Calibration is automatically completed after the last buffer of a buf fer set has been measured Then the calibration reco...

Page 32: ...ntrol The AR status indicator is displayed The measured parameter flashes 7 Wait for the measurement with stability control to be completed or ter minate the stability control and take over the calibr...

Page 33: ...sor with deionized water 12 Immerse the pH sensor in buffer solution 2 13 When measuring without temperature sensor Enter the temperature of the buffer with 14 Start the measurement with OK The measur...

Page 34: ...er flashes 23 Wait for the measurement with stability control to be completed or ter minate the stability control and take over the calibration value with OK The pH value of the buffer solution is dis...

Page 35: ...the CAL__ key The calibration records of the last 10 calibrations are available in the menu Cali bration Calibration data storage Display To open the Calibration menu in the measured value display pr...

Page 36: ...ions Scroll through the calibration records with Output the displayed calibration record to the interface with F2 USB output Output all calibration records to the interface with F2__ USB output Quit t...

Page 37: ...DO IF page 84 Display Calibration record Zero point mV Slope mV pH MD 8000 L Ser no 11292113 CALIBRATIONpH 01 11 2018 15 55 Ser no 10501234 TEC Buffer 1 10 00 Buffer 2 7 00 Buffer 3 4 00 Voltage 1 177...

Page 38: ...value is outside the stability range when the automatic Stability control is switched off You can start the Stability control manually at any time irrespective of the set ting for automatic Stability...

Page 39: ...atus indicator appears while the measured value is assessed as not stable A progress bar is displayed and the display of the measured parameter flashes The HOLD AR status indicator appears as soon as...

Page 40: ...perature measurement The display of the temperature indicates the active temperature measuring mode 7 2 ORP calibration Temperature sensor Resolution of the temp display Temp measurement yes 0 1 C Aut...

Page 41: ...nd input the salinity of the measured medium first When the salinity correction is switched on the Sal indicator is displayed in the measuring screen 1 Connect the D O sensor to the meter The D O meas...

Page 42: ...surement with Stability control manually at any time To start the Stability control function manually the HOLD function must be active Hold function Stability control The air pressure correction funct...

Page 43: ...urrent values of the zero point and slope 8 2 2 When to calibrate When the calibration interval has expired When your accuracy requirements are especially high Routinely within the framework of the co...

Page 44: ...edure the Comparison meas setting must be set to off in the Calibration menu As the calibration vessel use a BOD bottle that contains a small amount of clean water approx 40 ml The sensor must not be...

Page 45: ...ured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes 5 Wait for the measurement with stability control to be finished beep HOLD AR...

Page 46: ...or to adjust the displayed mea sured value to the nominal value value of the comparison measure ment Then take over the adjustment with OK The meter switches to the measured value display The status d...

Page 47: ...OK key 4 Start the measurement with OK The measured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes 5 Wait for the measurement with...

Page 48: ...ecords Further options Scroll through the calibration records with Output the displayed calibra tion record to the interface with F2 USB output Output all calibration records to the interface with F2_...

Page 49: ...0 40 1 00 The factor is set in the menu for the parameter TDS Stability control AutoRead HOLD function The stability control function AutoRead continually checks the stability of the measurement signa...

Page 50: ...e measured value is assessed as not stable A progress bar is displayed and the display of the measured parameter flashes The HOLD AR status indicator appears as soon as a stable measured value is reco...

Page 51: ...ips Select the following temperature compensations given in the table according to the respective test sample 9 3 Calibration 9 3 1 Why calibrate Aging slightly changes the cell constant e g due to co...

Page 52: ...450 cm 1 0 500 cm 1 e g IDP 761 C nominal cell constant 0 475 cm 1 The cell constant is determined in the control standard 0 01 mol l KCl In the default condition the calibrated cell constant of the...

Page 53: ...asured parameter flashes 6 Wait for the end of the measurement with stability control HOLD AR status indicator or take over the calibrated value with OK The calibration record is displayed and output...

Page 54: ...ion appears on the display and in the calibration record Calibration record USB output Display Calibration record Cell constant cm 1 Within the range 0 450 0 500 cm 1 Error Error Outside the range 0 4...

Page 55: ...n grounded test samples Measurement with several sensors connected to one MD 8000 L in one test sample 1 Connect a turbidity sensor to the measuring instrument The turbidity measuring screen is displa...

Page 56: ...impact on the reproduc ibility of measured values The display of the measured parameter flashes until a stable measured value is available You can start the Stability control manually at any time irre...

Page 57: ...value is assessed as not stable A progress bar is displayed and the display of the measured parameter flashes The HOLD AR status indicator appears as soon as a stable mea sured value is recognized The...

Page 58: ...5 0 200 0 3 200 0 4000 0 As the standard with turbidity value 0 0 FNU you can use clean tap water or filtered deionized water in a suitable calibration vessel depending on the required quality see op...

Page 59: ...he end of the AutoRead measurement The calibration display for the next standard solution appears TRB 0 2 01 07 2011 08 00 FNU 000 0 FNU Cal Standard 1 TRB 0 0 01 07 2011 08 00 FNU 124 0 FNU Cal Stand...

Page 60: ...f the last calibration is available in the menu OK Calibration record To open it in the measured value display press the CAL__ key The calibration records of the last 10 calibrations are available in...

Page 61: ...ation records with Output the displayed calibration record to the interface with PRT Output all calibration records to the interface with PRT_ Quit the display with ESC or OK Switch directly to the me...

Page 62: ...Output to RS232 USB Outputs the calibration data storage to the interface Calibration Buffer TEC AnyCal NIST DIN Buffer sets to be used for pH calibration More buffers and details see section 11 1 2 B...

Page 63: ...s protected by law No Buffer set pH values at 1 TEC Technical buffers 2 00 4 00 7 00 10 00 20 C 2 AnyCal Any Any 3 NIST DIN DIN buffers according to DIN 19266 and NIST Traceable Buffers 1 679 4 006 6...

Page 64: ...O measurement settings 11 3 1 Settings for D O sensors menu for measurement and calibration settings Settings The settings are available in the menu for measurement and calibration set tings To open...

Page 65: ...the flashing sensor symbol in the measuring screen Calibration Comparison meas on off Enables to adjust the measured value with the aid of a comparison measurement e g Winkler titra tion For details s...

Page 66: ...in the menu for the measured parameter conductivity To open the settings display the required measured parameter in the mea sured value display and press the OK key After completing the settings Satur...

Page 67: ...er reminds you to cali brate regularly by the flashing sensor symbol in the measuring screen Type Used measuring cell Cal Measuring cells whose cell con stant is determined by calibra tion in the KCL...

Page 68: ...erature compensation is set Temp comp TC Reference temp 20 C 25 C Reference temperature This setting is only available for the measured parameters con ductivity and resistivity Multiplier for TDS 0 40...

Page 69: ...7 1 RESETTING THE MEASUREMENT SETTINGS page 71 Menu item Possible setting Explanation Menu item Possible setting Explanation System General Lan guage Deutsch English more Selects the menu language Sy...

Page 70: ...19200 Baud rate of the USB Device interface System Interface Out put format ASCII CSV Output format for data transmission For details see section 13 TRANSMITTING DATA USB INTERFACE page 80 Only for O...

Page 71: ...display illumination if no key is pressed for 20 seconds The illumination is switched on with the next keystroke again You can also generally switch on the display illumination see section 11 6 1 SYST...

Page 72: ...o the default settings with the Reset function The sensor settings are reset under the Reset menu item in the menu for cali bration and measurement settings To open the settings display the required m...

Page 73: ...is done in the menu Storage config System Reset To open the menu Storage config in the measured value display press the OK_ key Cell constant c Depending on the connected measur ing cell 0 475 cm 1 c...

Page 74: ...e same time output to the interface If the memory is full When all storage locations are occupied it is not possible to continue storing Then you can e g transmit the stored data to a PC see section 1...

Page 75: ...isplay of the storage usage ID number 1 Interval 30 s Duration 180 min continue 0d03h00min 0 1d17h33min Automatic data storage 1 2 3 01 11 2018 08 00 Back Menu item Possible setting Explanation ID num...

Page 76: ...ollows to switch off the automatic data storage function before the adjusted storage duration has expired 1 Remaining storing duration 2 Graphical display of the storage duration If the automatic data...

Page 77: ...the RCL or RCL__ key Settings The settings are explained here using the manual data storage as an example The same settings and functions are available for the automatic data storage Menu item Settin...

Page 78: ...torage see section 12 3 1 EDITING THE MEASURED VALUE DATA STORAGE page 77 12 3 3 Measurement dataset A complete dataset consists of Date time Meter name series number Sensor name series number Manual...

Page 79: ...was met while storing stable measured value Otherwise the AR dis play is missing Calibration evaluation 4 levels or no evaluation 12 3 4 Storage locations The MD 8000 L meter has two measurement data...

Page 80: ...nstallation of the USB driver PC with at least one free USB connection and CD ROM drive Windows 2000 Windows XP Windows Vista or Windows 7 1 Output the current measurement data to the USB B interface...

Page 81: ...ously with every automatic data storage process see section 12 2 AUTOMATIC DATA STORAGE AT INTER VALS page 75 Stored mea sured values Manual Displayed dataset with F2 USB out put after calling up from...

Page 82: ...normal batteries or with rechargeable batteries Ni MH In order to charge the batteries an external charging device is required 1 Open the battery compartment 1 on the underside of the meter 1 Battery...

Page 83: ...cal chemical and or radiological contamination so as to protect from health hazards the persons involved in the disposal and recycling of the equipment For more information about where you can drop of...

Page 84: ...bubble e g sway or stir the solution Air in the junction Extract air or moisten junction Cable broken Replace the sensor Gel electrolyte dried out Replace the sensor Cause Remedy IDP pH sensor The val...

Page 85: ...neces sary Temperature not stable Adjust temperature if necessary IDP pH sensor test sample Conductivity too low Use a suitable IDP pH sensor Temperature too high Use a suitable IDP pH sensor Organic...

Page 86: ...tions display of OFL UFL instead of a temperature value Keep to the temperature range for the test sample Defective sensor Calibration Exchange the sensor cap Replace the sensor More information and i...

Page 87: ...1 MAINTENANCE page 82 Cause Remedy Operating condition undefined or EMC load unallowed Processor reset Press the OK and On Off key simultaneously Cause Remedy E g a question by the service department...

Page 88: ...TWARE VERSION IS IN THE METER OR IDP SENSOR PAGE 87 1 Install the downloaded firmware update on a PC An update folder is created in the Windows start menu If an update folder already exists for the me...

Page 89: ...METER OR IDP SENSOR PAGE 87 1 Install the downloaded firmware update on a PC An update folder is created in the Windows start menu If an update folder already exists for the sensor or sensor type the...

Page 90: ...ivided by the unit of the molality The practical pH value is the value of a pH measurement Potentiometry Name of a measuring technique The signal depending on the mea sured parameter of the electrode...

Page 91: ...a T TRef D O partial pressure Pressure caused by the oxygen in a gas mixture or liquid D O saturation Short name for the relative D O saturation The ratio of the D O partial pressure in the test samp...

Page 92: ...ality is the quantity in Mol of a dissolved substance in 1000 g sol vent Reset Restoring the original condition of all settings of a measuring system Resolution Smallest difference between two measure...

Page 93: ...MD 8000 L Glossary ba77218e01 11 2018 93...

Page 94: ...play 17 F Firmware update 88 I Initial commissioning 13 Initialize 71 Interval for calibration 64 K Keys 16 M Measured value display 20 Measurement accuracy 64 Measurement data storage Edit 77 Erase 7...

Page 95: ...dex ba77218e01 11 2018 95 Three point calibration ISE 60 pH 30 34 Transmitting data 80 automatic 81 Manual 81 Transmitting measured values 80 Two point calibration ISE 59 pH 29 33 Z Zero point of pH e...

Page 96: ...ll at its option and cost repair replace or refund the purchase price of this product to the customer provided it is returned during the warranty period This warranty does not apply if the product has...

Page 97: ......

Page 98: ...r Road Peenya Post Bangalore India 560058 Tel 91 80 28078400 Email vwr_india vwr com Ireland Northern Ireland VWR International Ltd VWR International Northern Ireland Ltd Orion Business Campus Northwe...

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