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H72.0.11.6C-04 

 Operating Manual GMH 3451 

page 12 of 18 

 

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c) Clear manual recordings: 

If data sets have been stored, they can be deleted with the “store” key: 

 

Press “store” for 2 seconds

: Call menu “Clear” 

Select with:

 

 or 

.

 

 

 

Clear nothing (cancel) 

 

 

Clear all data sets 

 

 

Clear the latest data set 

 

Confirm selection and quit menu “Clear” 

8.2  Automatic recording with selectable cycle time “Func CYCL” 

If logger function “Func CYCL” is selected (see “Configuration”) the device will automatically record 
measuring values at intervals of the set cycle time.  
The logger’s cycle time can be set from 1s to 60min (see “Configuration”).  

Up to 10000 measurements can be saved if logger function “Func CYCL” is selected. 

a) Start recording: 

 

Press “store” for 2 seconds:

 Start menu, press 

 again: automatic recording is started 

Each storage process is signalled by shortly displaying “St.XXXX”, where XXXX is the number of the 
saved data set. 

If the logger memory is full, the recording stops automatically and the display shows 

 

b) 

Stop recording: 

Press “store” for 2 seconds:

 If recording is running the “stop” menu is displayed

 

Select with 

 or 

 

 

Do not stop recording (cancel)

 

 

 

Stop recording

 

 

If recording is running the “stop” menu is displayed 

 

  

 If you try to switch off the device while cyclic recording is active you will be asked 

whether the recording should really be stopped.  
The device can only be switched off if the recording is stopped. Auto-off function is 
deactivated as long as cyclic recording is active.   

c) Clear recordings: 

Press “store” for 2 seconds:

  

If there are data sets stored and recording is already stopped the menu “Clear” is displayed

Select with 

 or  

.  

 

 

Do not stop recording (cancel)

 

 

 

Clear all data sets

 

 

 

Clear latest data set 

 

Confirm selection and quit menu “Clear” 

Содержание GMH 3451

Страница 1: ...49 0 9402 9383 0 49 0 9402 9383 33 info greisinger de Please carefully read these instructions before use Please consider the safety instructions Please keep for future reference as of version 1 3 GMH...

Страница 2: ...6 ELECTRODES MEASURING CELLS 8 6 6 1 Design 8 6 6 2 Calibration Adjustment of measuring cells 8 6 7 TEMPERATURE COMPENSATION 8 6 7 1 Temperature compensation nLF according to EN 27888 8 6 7 2 Linear t...

Страница 3: ...ficant damage to property at non observance Attention This symbol warns of possible dangers or dangerous situations which can provoke damage to the device or environment at non observance Note This sy...

Страница 4: ...ion If and bAt is shown in the lower display the battery has been used up and needs to be replaced However the device will operate correctly for a certain time If bAt is shown in the upper display the...

Страница 5: ...shortly change over between measuring units only if InP SEt is selected press for 2 sec menu invoke configuration menu min max when taking measurements press shortly min or max value is displayed pre...

Страница 6: ...tached to a belt etc The device with pop up clip at position 90 can be set up on a table etc The device with pop up clip at position 180 can be suspended from a screw or the magnetic holder GMH 1300 D...

Страница 7: ...d solids measurement the filtrate dry residue is determined by means of the conductivity and a conversion factor C tdS Well suited for easy concentration measurements of e g salt solutions The determi...

Страница 8: ...t see chapter 15 Accuracy Check Adjustment Service 6 7 Temperature compensation The conductivity of aqueous solutions depends on its temperature The temperature dependency is strongly dependent on the...

Страница 9: ...Input Selection of measured variable Cond Conductivity rESi Resistivity tdS Total dissolved solids SAL Salinity SEt Change over measured variables by Set key TDS measurement conversion factor only if...

Страница 10: ...uld correspond to output 0 V e g for 0 0 S cm 0 0 S cm 400 mS cm Measuring value that should correspond to output 1 V e g for 100 0 mS cm Set Corr Measurement correction Zero point adjustment offset o...

Страница 11: ...be used The software also allows easy configuration and starting of the logger When the logger is activated Func Stor or Func CYCL the hold function is no more available the key store is solely used...

Страница 12: ...rding Press store for 2 seconds Start menu press again automatic recording is started Each storage process is signalled by shortly displaying St XXXX where XXXX is the number of the saved data set If...

Страница 13: ...es In case you want to develop your own software we offer a GMH3000 development package including A universally applicable Windows functions library GMH3000 DLL with documentation that can be used by...

Страница 14: ...re different from default settings the device will shortly display Corr after turned on Default setting for offset and scale are off 0 0 i e inputs are not changed Zero point correction Displayed valu...

Страница 15: ...orrect pH calibration The device provides the following functions to help with this 12 1 Calibration interval C Int You can input the interval after which the device reminds you to recalibrate The int...

Страница 16: ...rer for repair Err 1 Measured value above allowable range Check pressure not within sensor range measuring value to high Sensor defective Return to manufacturer for repair Err 2 Measured value below a...

Страница 17: ...at housing or sensor may be a risk for persons or environment Use an adequate transport package for reshipment especially for fully functional devices Please make sure that the device is protected in...

Страница 18: ...l symbols Additional functions Min max hold Adjustment Calibration Cell correction manually or automatically via selectable reference solution Data logger Real time clock Cyclic 10000 data sets cycle...

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