JUMO 202710/20 Operating Manual Download Page 1

Page: 1 / 58

Handheld Meter for pH, Redox, and rH

Type 202710/20

Operating Manual

20271020T90Z001K000

V2.00/EN/00461261

Summary of Contents for 202710/20

Page 1: ...Handheld Meter for pH Redox and rH Type 202710 20 Operating Manual 20271020T90Z001K000 V2 00 EN 00461261...

Page 2: ......

Page 3: ...4 1 Display 12 4 2 Control elements 13 4 3 Connections 14 4 4 Stand up hinge 14 5 Measuring 15 5 1 Preparing the device for the measurement 15 5 2 Measuring the pH value 15 5 3 Measuring the redox po...

Page 4: ...input and the temperature input 32 8 Device settings 33 8 1 Calling up the setting menu 33 8 2 Resetting to default settings 34 8 3 Configuring the device 34 8 3 1 Submenu SEt ConF general settings 34...

Page 5: ...life 50 11 4 General handling of pH combination electrodes 50 12 The redox combination electrode 51 12 1 General handling 51 13 Returns and disposal 52 13 1 Returns 52 13 2 Disposal 52 14 Technical d...

Page 6: ...Contents...

Page 7: ...ary measures are not taken CAUTION This symbol in connection with the signal word indicates that damage to assets or data loss will occur if the respective precautionary measures are not taken NOTE Th...

Page 8: ...n the event of improper use of the device or in the event of misuse or malfunctions relating to the connection or the device 2 2 Intended use The device is designed to measure pH values and redox pote...

Page 9: ...to observe this note may lead to serious damage to health and material damage DANGER This device must not be used in a potentially explosive environment If the device is operated in a potentially expl...

Page 10: ...s shown in the top display the battery voltage is no longer sufficient for device operation and the battery is now completely used up NOTE The battery must be removed if the device is stored at an amb...

Page 11: ...ons 12 to 15 from the left Example F Nr 00822713 01 0 1505 0001 The device was produced in the 05th calendar week of 2015 3 2 Order details 3 3 Accessories Handmessger t 202710 20 000 F Nr 00822713 01...

Page 12: ...dure 6 Signals a stable measured value 7 Signals that a temperature probe has been connected and that the auto matic temperature compensation ATC is thus active 8 Display elements for the appearance o...

Page 13: ...nly in operating mode pH pressed briefly Display the condition of the combination electrode 1x press display the calibration data additional presses pressed for 2 seconds Start the pH calibration Scro...

Page 14: ...ured on a belt When the stand up hinge is at a position of 90 the device can be set up on an even surface When the stand up hinge is at a position of 180 the device can be hung on a hook for example 1...

Page 15: ...onfigured per default for measuring the pH value If the device has been configured for a different measurand in a user defined operation first select the measurand pH see Parameter InP selection of a...

Page 16: ...ry plug in contacts and keep them clean If possible do not immerse the combination electrodes in the measurement solution beyond the shaft for a long time except for with special waterproof versions C...

Page 17: ...in drinking water treatment water monitor ing and in industry The measurement occurs with the commonly used silver silver chloride com bination electrodes reference system with 3 molar potassium chlor...

Page 18: ...alue Prerequisite The pH value of the measurement solution must be known A redox combination electrode must be connected to the device Measuring without temperature probe Briefly press the key Adjust...

Page 19: ...n electrode to the device Configure the device for measurand rH Gently stir the measurement solution Measuring with temperature probe Connect the pH combination electrode to the device Save the stable...

Page 20: ...automatically when a stable measured value is reached When the measured value has been saved successfully the message HLD appears on the device display Press the key again to delete the saved value W...

Page 21: ...ries page 37 Carefully remove the protective cap containing 3 mol KCl from the combi nation electrode Rinse the combination electrode and the temperature probe if available with de ionized distilled w...

Page 22: ...device expects a neutral buffer solution within the range pH 6 5 to pH 7 5 for the first calibration point The device automatically detects the buffer solutions of the technical buffer series and the...

Page 23: ...ion is completed and the device returns to measurement mode 6 3 2 Calibration with any buffers Calibration point 1 Press the key for at least 2 seconds to start the calibration Use the and keys to set...

Page 24: ...ected the condition of the combination electrode is then briefly displayed and then the 2 point calibration is completed and the device returns to measurement mode Use the and keys to set the value fo...

Page 25: ...e by pressing the key NOTE If the 2 or 3 point calibration has been selected as the calibration method the device expects a neutral buffer solution within the range pH 6 5 to pH 7 5 for the first cali...

Page 26: ...bration is completed and the device returns to measurement mode Rinsing Rinse the combination electrode with de ionized distilled water and dry Calibration point 3 Insert the combination electrode int...

Page 27: ...on the display above the yellow ok label The display changes so that the temperature value for the third buffer solution can be entered rH mV mVH pH ATC ok AL Logg pH CAL NOTE For a sufficiently accur...

Page 28: ...stable small triangle appears on the display above the yellow ok label Use the and keys to set the temperature value for the second buffer solution and then save by pressing the key With 2 point calib...

Page 29: ...the device returns to measurement mode 6 5 Display of the condition of the pH combination electrode Briefly press the key The value on the main display of the device flashes Pt 3 and a revolving symbo...

Page 30: ...calibration the com bination electrode must be replaced NOTE During the evaluation both the asymmetry and the slope of the combination electrode are considered The asymmetry of the pH combination ele...

Page 31: ...mbination electrode is defective Clean combination electrode recalibrate If error reoccurs replace combination electrode Wrong buffer solution Always use neutral buffer as first solution excep tion 1...

Page 32: ...water controlled precision water baths or similar must be available for this purpose If a correction has been carried out deviation from the default setting this is indicated with the message Corr wh...

Page 33: ...nt correction and slope correction of the voltage input and the temperature input See page 41 4 Settings for the real time clock See page 43 Providing information 5 Read calibration data See page 46 6...

Page 34: ...er to be configured NOTE If the and keys are pressed simultaneously for over 2 seconds the device is reset to the default settings CAL 3 1 8 9 10 rH mV mVH pH ATC ok AL Logg pH CAL pH HLD 2 3 4 5 6 7...

Page 35: ...n timer See page 37 6 Unit t temperature unit C F See page 38 7 Auto HLD automatic saving of a measured value See page 38 8 P oFF automatic device switch off See page 39 9 Out universal output See pag...

Page 36: ...cessed when the pH measurand has been selected Use the and keys to set the number of calibration points Press the key to save the setting and move to the next parameter or press the key to save the se...

Page 37: ...s to set the calibration timer Press the key to save the setting and move to the next parameter or press the key to save the setting and move to the next submenu of the setting menu or press the key t...

Page 38: ...ing of a measured value Press the key to save the setting and move to the next parameter or press the key to save the setting and move to the next submenu of the setting menu or press the key to save...

Page 39: ...press the key to save the setting quit the device settings and return to measurement mode Menu parameter Setting option Meaning 1 to 20 to 120 Switch off delay in minutes If no key is pressed the dev...

Page 40: ...he next submenu of the setting menu or press the key to save the setting quit the device settings and return to measurement mode CAL 3 SAL mg l kOhm mS S Lin nLF AL Logg K 1 cm NOTE The functions of t...

Page 41: ...save the setting and move to the next submenu of the setting menu or press the key to save the setting quit the device settings and return to measurement mode Parameters 3 OFFS mV offset zero point co...

Page 42: ...s the key to save the setting and move to the next parameter or press the key to save the setting and move to the next submenu of the setting menu or press the key to save the setting quit the device...

Page 43: ...ment mode 8 4 2 Submenu SEt CLOC setting the real time clock Overview of the parameters After calling up the setting menu with and selecting the submenu SEt CLOC use to select the parameter to be conf...

Page 44: ...he setting and move to the next parameter or press the key to save the setting and move to the next submenu of the setting menu or press the key to save the setting quit the device settings and return...

Page 45: ...next submenu of the setting menu or press the key to save the setting quit the device settings and return to measurement mode 8 4 3 Submenu rEAd CAL reading the calibration data The reading of the ca...

Page 46: ...your application and the stability of the combination electrode Once the interval has elapsed CAL flashes in the display 9 1 2 Reading the calibration data rEAd CAL The last calibration is stored in t...

Page 47: ...larly after replacing the battery The date of the last calibration is shown in the main display The time of the last calibration is shown in the subsidiary dis play 1 With the 1 point calibration the...

Page 48: ...ot reached Check if the measured value is above the admissi ble measuring range of the combination electrode Combination electrode is defective Send in device for repair System error Send in device fo...

Page 49: ...the required values can no longer be obtained even after thorough cleaning When in use it is important to remember that various substances for exam ple hydrofluoric acid HF corrode glass in aqueous so...

Page 50: ...be destroyed due to freezing of the electrolyte The sensor part of the combination electrode should be protected against dry ing out by using a protective cap filled with 3 molar KCl solution or a sto...

Page 51: ...hydrochloric acid solution part no 00307114 is recommended The platinum tip of the sensor can be cleaned with ordinary scouring powder rinse well afterward If the combination electrode malfunctions Fu...

Page 52: ...Use suitable transport packaging when returning the device especially if the device is still functioning Ensure that the device is protected by sufficient insulation material in the packaging DISPOSA...

Page 53: ...ual 1 2 or 3 point calibration 2 4 digit 7 segment LCD displays main display 12 4 mm high subsidiary display 7 mm high with additional symbols Calibration memory Adjustable calibration intervals 1 to...

Page 54: ...serial interface switched off Battery display and bAt displayed automatically when battery is used up The device complies with the significant protection requirements defined in the Directive of the C...

Page 55: ...Q 3UR HVVDQVFKOXVV 1XWV 0XWWHU 6FUHZ 6FKUDXEH d 7KLV WDEOH LV SUHSDUHG LQ DFFRUGDQFH ZLWK WKH SURYLVLRQV 6 7 7 QGLFDWH WKH KD DUGRXV VXEVWDQFHV LQ DOO KRPRJHQHRXV PDWHULDOV IRU WKH SDUW LV EHORZ WKH O...

Page 56: ...15 China RoHS 56...

Page 57: ......

Page 58: ...address 36035 Fulda Germany Phone 49 661 6003 0 Fax 49 661 6003 607 Email mail jumo net Internet www jumo net JUMO House Temple Bank Riverway Harlow Essex CM20 2DY UK Phone 44 1279 63 55 33 Fax 44 127...

Search results

Summary of Contents for 202710/20

Reviews:

Related manuals for 202710/20

Brands by name

Popular brands

JUMO 202710/20, Operating Manual

Search results

Summary of Contents for 202710/20

Reviews:

Related manuals for 202710/20

Brands by name

Popular brands