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wtw pH 3300i, Operating Manual

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wtw pH 3300i Operating Manual Download Page 20

Operation

pH 3300i/3400i

20

ba75682e02

03/2008

Calibration

evaluation

After the calibration, the measuring instrument automatically evaluates the 
current status of the electrode. The asymmetry and slope are evaluated sep-
arately. The worst evaluation appears on the display.

Preparatory

activities

Display

Asymmetry
[mV]

Slope 
[mV/pH]

-15 ... +15

-60.5 ... -58

-20 ... +20

-58 ... -57

-25 ... +25

-61 ... -60.5 
or 
-57 ... -56

Clean the electrode according to 
the electrode operating manual

-30 ... +30

-62 ... -61 
or 
-56 ... -50

E3

Eliminate the error according to 
chapter 6 W

HAT

 

TO

 

DO

 

IF

... 

< -30 or 
> 30

... -62 or 
... -50 

1

Switch on the measuring instrument with 

<ON/OFF>

.

2

Connect the pH electrode to the measuring instrument.

3

Keep the buffer solutions ready.

4

Adjust the temperature of the solutions and measure the current tem-
perature if the measurement is made without temperature sensor.

Summary of Contents for pH 3300i

Page 1: ...ba75682e02 03 2008 Handheld meter pH 3300i 3400i Operating manual pH measuring instrument AR M O PH 6 4 2 9 9 2 6 C TP RCL STO CAL...

Page 2: ...the date of pur chase The instrument warranty covers manufacturing faults that are discovered within the warranty period The warranty does not cover components that are replaced during maintenance wor...

Page 3: ...15 4 2 3 Measuring the ORP voltage 17 4 3 Calibrating 18 4 3 1 AutoCal TEC 21 4 3 2 AutoCal DIN 25 4 3 3 ConCal 29 4 4 Saving 32 4 4 1 Saving manually 32 4 4 2 Saving automatically 34 4 4 3 Outputtin...

Page 4: ...List of contents pH 3300i 3400i 4 ba75682e02 03 2008 7 Technical data 57 8 Lists 61...

Page 5: ...ainty for all applications The proven MultiCal calibration procedure and the special AutoRead func tion support you in your work with the pH handheld meter Note If you need further information or appl...

Page 6: ...You will find additional information on this and other accessories in the WTW catalog or via the Internet Set sample configuration 1 Measuring instrument pH 3300i 3400i 2 Stand 3 KCI solution for elec...

Page 7: ...asured value STO Switch measuring instrument on off ON OFF Calibration of the current measured variable CAL Display transmit measured values RCL Activate deactivate the AutoRead function AR Select the...

Page 8: ...fulfill these conditions 1 pH electrode or ISE single rod measuring electrode elec trode 2 Reference electrode 3 Plug in power supply pH 3400i only 4 Temperature probe 5 Serial interface RS 232 analog...

Page 9: ...s The individual chapters of this operating manual use safety instructions such as the label shown below to indicate various hazards or dangers Warning indicates instructions that must be followed pre...

Page 10: ...iron ment the formation of condensate can lead to the faulty functioning of the in strument In this event wait until the temperature of the instrument reaches room temperature before putting the instr...

Page 11: ...t down 2 Press the ON OFF key The display test appears briefly on the display 3 Press the RUN ENTER key repeatedly until the date appears on the display 4 Set the date of the current day with 5 Confir...

Page 12: ...saves the batteries Warning The line voltage at the operating site must lie within the input voltage range of the original plug in power supply see chapter 7 TECHNICAL DATA Warning Use original plug i...

Page 13: ...the power is supplied by the plug in power supply z if the communication cable and a PC with a running communication pro gram are connected z if the recorder cable is connected z if the printer cable...

Page 14: ...e display by TP Note The measuring instrument automatically recognizes the type of the tempera ture sensor used Therefore you can connect temperature sensors of the NTC30 or Pt1000 type The temperatur...

Page 15: ...on press the M key while pressing the RUN ENTER key 1 Perform the preparatory activities according to section 4 2 1 2 Immerse the pH electrode in the test sample 3 Press the M key until pH appears on...

Page 16: ...ement can be terminated at any time accept ing the current value by pressing RUN ENTER Reproducibility Response time Better than 0 02 30 seconds 1 Call up the pH measuring mode with M and 2 Activate t...

Page 17: ...electrodes using a test solution 1 Perform the preparatory activities according to section 4 2 1 2 Immerse the ORP electrode in the test sample 3 Press the M key until U appears on the status display...

Page 18: ...fer solution This corresponds to a single point calibration For this the instrument uses the Nernst slope 59 2 mV pH at 25 C and determines the asymmetry of the electrode AutoCal DIN is specially adap...

Page 19: ...r via the serial interface see page 40 Note You can automatically print a calibration protocol after the calibration To do so connect a printer to the interface according to section 4 5 3 before cali...

Page 20: ...mmetry mV Slope mV pH 15 15 60 5 58 20 20 58 57 25 25 61 60 5 or 57 56 Clean the electrode according to the electrode operating manual 30 30 62 61 or 56 50 E3 Eliminate the error according to chapter...

Page 21: ...relevant buffer nominal value or the current elec trode voltage in mV Note Skip the steps 2 7 and 14 if you use a temperature sensor 1 Press the CAL key repeatedly until the Ct1 display indicator and...

Page 22: ...ond buffer solution 9 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or the buffer nominal value appears on the display Example cm 3 7 F 0 Cal Tref20 Lin 0 Cal Tref2...

Page 23: ...ef25 ARng AutoCal DIN Tref25 Auto AutoCal DIN ARng Tref20 Lin F cm 1 1 cm AR AR RCL RCL O O UpH UpH Sal Sal Store Store Auto LoBat LoBat nLF nLF Sal Sal mg l mg l mV pH mV pH cm cm m m S S cm cm K K M...

Page 24: ...ter the temperature of the third buffer solution with 15 Immerse the pH electrode in the third buffer solution 16 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or t...

Page 25: ...7 and 14 if you use a temperature sensor 1 Press the CAL key repeatedly until the display Cd1 and the func tion display AutoCal DIN appear The sensor symbol displays the evaluation of the last calibra...

Page 26: ...ond buffer solution 9 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or the buffer nominal value appears on the display Example AutoCalTEC AutoCalTEC F 0 Cal Tref20...

Page 27: ...displays the value of the asymmetry in calibration range I AutoCalTEC AutoCalTEC F 0 Cal Tref20 Lin 0 Cal Tref25 ARng Tref25 Auto ARng Tref20 Lin F cm 1 1 cm AR AR RCL RCL O O UpH UpH Sal Sal Store St...

Page 28: ...ter the temperature of the third buffer solution with 15 Immerse the pH electrode in the third buffer solution 16 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or t...

Page 29: ...nstrument uses the 1 Press the CAL key repeatedly until the display ASY and the func tion display ConCal appears The sensor symbol displays the evalu ation of the last calibration or no sensor symbol...

Page 30: ...The second pH value appears on the display 12 Set the measured value to the nominal pH value of the buffer solution at the current temperature with 13 When the measured value is stable press the RUN E...

Page 31: ...pH 3300i 3400i Operation 31 ba75682e02 03 2008 15 To return to the measuring mode Press the M key...

Page 32: ...ata storage in two ways z Save manually z Switch on AutoStore Int 1 4 4 1 Saving manually You can transmit a measured value to the data storage as follows 1 Press the STO key The current number locati...

Page 33: ...o the measuring mode No C 2 4 TP mV pH mol L 8 Auto TempError RCL LoBat AutoCal DIN CalError ARng AR AutoCal TEC ConCal Time Baud Day Month Year 1 U F S mg L ppm ISE 2 2 99 6 pH Store Ident Saving the...

Page 34: ...his the AutoStore function is switched off To switch the function on set an interval 5 s 10 s 30 s 1 min 5 min 10 min 15 min 30 min 60 min 1 Press the RUN ENTER key and hold it down 2 Press the STO ke...

Page 35: ...storage locations are occupied AutoStore is terminated Int 1 OFF If there are not enough storage locations available for your measure ments Output and backup the data storage see page 36 and clear th...

Page 36: ...alue appears on the display The storage location of the data record is displayed for approx 2 s then the respective temperature appears Display further elements of the data record ID number date time...

Page 37: ...red date appears on the display After approx 2 s the temperature of the displayed measured value appears 1 Press the RCL key repeatedly until Sto SEr appears on the dis play 2 Press the RUN ENTER key...

Page 38: ...L dISP appears on the dis play 2 Press the RUN ENTER key The slope mV pH in the calibration range I and the calibration pro cedure of the last calibration appear on the display ARng ConCal Store Auto...

Page 39: ...nt calibration Using M or RUN ENTER you can switch back to the pH mea suring mode In three point calibration Press RUN ENTER to display the slope mV pH in the calibration range II SLO2 5 Press RUN ENT...

Page 40: ...s the RCL key repeatedly until CAL appears on the display 2 Press the RUN ENTER key The calibration protocol is transmitted to the interface After the data transmission the measuring instrument automa...

Page 41: ...lear all data records Note The calibration data remain stored and can be called up 1 Switch off the measuring instrument 2 Press the STO key and hold it down 3 Press the ON OFF key The display test ap...

Page 42: ...he analog recorder output page 44 measured values are output as voltage values z With the KOM pilot communication kit accessory data can be transmit ted bidirectionally page 45 Note If you connect a r...

Page 43: ...s the RUN ENTER key and hold it down 2 Press the RCL key Int 2 appears on the display 3 Set the required interval between the saving procedures with 4 Confirm with RUN ENTER The measuring instrument a...

Page 44: ...order via the AK323 interface cable The data output automatically switches to Recorder output Socket assignment Note The analog output is activated automatically in the cable by connecting 2 and 3 At...

Page 45: ...in earthed media as incorrect values would result Set up the following transmission data on the PC printer Socket assignment 4 5 4 Remote control pH 3400i The measuring instrument can be remotely con...

Page 46: ...nominal value or current electrode voltage Calibration interval Int 3 1 7 999 d Date time Any pH resolution 0 01 or 0 001 1 Switch off the measuring instrument 2 Press the M key and hold it down 3 Pre...

Page 47: ...t 3 appears on the display 8 Set the required interval in days with 9 Confirm with RUN ENTER 2 d C TP mV pH mol L Auto Store RCL LoBat CalError ARng AR Baud Day Month No Ident Year 1 U F S TempError m...

Page 48: ...urs flash on the display 16 Set the current time with 17 Confirm with RUN ENTER The minutes flash on the display 18 Set the current time with 19 Confirm with RUN ENTER The measuring instrument automat...

Page 49: ...ration parameters InI are reset to the delivery status Resetting the measuring parameters Measuring mode pH Asymmetry 0 mV Slope 59 16 mV pH Calibration procedures AutoCal TEC Temperature manual 25 C...

Page 50: ...switches to the configuration parameters O UpH ARng Y Sal Sal K TP C F Store cm 1 1 S M m mg l cm S cm mV pH mbar Baud 4 Day Month No Time Auto LoBat Tref25 nLF RCL AR Cal Lin Tref20 TDS AutoCal DIN...

Page 51: ...s Warning Make sure that the poles of the batteries are the right way round The signs on the batteries must correspond to the signs in the bat tery compartment Only use leakproof alkaline manganese ba...

Page 52: ...otective transport packing We recommend Keep the packing material The original packing protects the instrument against damage during transport Batteries This note refers to the battery regulation that...

Page 53: ...Gel electrolyte dried out Replace electrode Cause Remedy Electrode Diaphragm contaminated Clean diaphragm Membrane contaminated Clean membrane Moisture in the plug Dry plug Electrolyte out of date Re...

Page 54: ...ns Cause Remedy pH electrode Diaphragm contaminated Clean diaphragm Membrane contaminated Clean membrane Test sample pH value not stable Measure with air excluded if necessary Temperature not stable A...

Page 55: ...les Measurement procedure not suitable Follow special procedure Cause Remedy Operating condition undefined or EMC load unallowed Processor reset Press the CAL and ON OFF keys at the same time and rele...

Page 56: ...What to do if pH 3300i 3400i 56 ba75682e02 03 2008...

Page 57: ...Width mm 80 Height mm 37 Weight kg Approx 0 3 Type of protection IP 66 Protective class III cETLus CE Storage 25 C 65 C Operation 10 C 55 C Climatic class 2 Measuring range Resolution pH 2 000 19 999...

Page 58: ...he measured value 4 mV Internal resistance 5 Ohm current limited to max 0 2 mA output current Type RS 232 data output Baud rate Selectable 1200 2400 4800 9600 baud Data bits 8 Stop bit 2 Parity None H...

Page 59: ...limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a co...

Page 60: ...Technical data pH 3300i 3400i 60 ba75682e02 03 2008...

Page 61: ...eviations 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 the specialist terms However terms t...

Page 62: ...ata record for buffer solutions prepared according to DIN 19 266 Cm Display indicator during calibration for pH mea surements Indicates the selection of buffer data records for buffer solutions of the...

Page 63: ...pH 3300i 3400i Lists 63 ba75682e02 03 2008 S Slope internat k SELV Safety Extra Low Voltage SLO Slope setting on calibration TP Temperature measurement active Temperature Probe UASY Asymmetry...

Page 64: ...more difficult The ex pression junction is also used for ground or junction less transitions Electrode zero point The zero point of a pH electrode is the pH value at which the electro motive force of...

Page 65: ...ality 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 is the electrical potential T...

Page 66: ...Lists pH 3300i 3400i 66 ba75682e02 03 2008...

Page 67: ...issioning 11 Initialization 49 Interval data transmission 42 save 34 K Keys 7 L LoBat 54 O Operating safety 10 ORP electrode 17 ORP voltage 17 P Printing calibration protocol 19 R Remote control 45 Re...

Page 68: ...Index pH 3300i 3400i 68 ba75682e02 03 2008...

Page 69: ...Wissenschaftlich Technische Werkst tten GmbH Dr Karl Slevogt Stra e 1 D 82362 Weilheim Germany Tel 49 0 881 183 0 49 0 881 183 100 Fax 49 0 881 183 420 E Mail Info WTW com Internet http www WTW com...

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