COMMETER D4130
Digital thermo-hygro-barometer and data logger
Instruction manual
Страница 1: ...COMMETER D4130 Digital thermo hygro barometer and data logger Instruction manual ...
Страница 2: ...Dew point temperature calculated from temperature and humidity Range 50 to 60 C Resolution 0 1 C Accuracy 0 5 C at the range of 30 to 95 RH Atmospheric pressure Range of measurement 800 to 1100hPa Resolution 0 1 hPa Accuracy 2hPa at ambient temperature of 23 C Measuring interval and display reading refresh approximately 0 7 s in FAST mode 0 7 to 5 s in dynamic mode Response time air flow approxima...
Страница 3: ...switched OFF If instrument is supplied from external ac dc adapter internal 9V battery should be replaced with rechargeable NiCd accumulator In usual operation from adapter accumulator is charged only with small current If accumulator is totally discharged its full charging in instrument takes approximately 100 hours Instrument with accumulator is not recommended for permanent operation without ac...
Страница 4: ...easured values and minimum a maximum memory Press HOLD key in the default mode displaying of actual measured value to store actual measured values to internal memory indicated by short beep Anytime it is possible to display stored values from MENU see below Each pressing of the HOLD key in the default mode causes values stored in HOLD memory are replaced with actual ones Switched ON instrument per...
Страница 5: ...ly on this selection Clearing of minimum and maximum memory of all values Memory is cleared after pressing ENTER key Clearing is confirmed by reading YES on the LCD lower display Press ENTER key to display values stored in the HOLD memory Press DISPLAY key to display other stored values dew point temperature Press MENU key to leave this mode Time hour and minute in internal real time clock of the ...
Страница 6: ...s press MENU key select ALAR from menu items and confirm by pressing ENTER key Reading ALLO indicates adjusted lower alarm limit here air temperature Set the desired value by means of the arrow keys Press and hold the arrow key UP to make value increase fast Press and hold the arrow key DOWN to make value decrease fast Release the arrow key and press ENTER to confirm new limit Reading ALHI indicat...
Страница 7: ...gging stops after fulfilling the memory Reading MEMO FULL is displayed reading disappears after pressing any key automatic cyclic logging when after fulfilling the memory oldest data are replaced with new values manual logging designed for manual storing of measured values by ENTER key Logging modes are not mutually compatible and after changing logging mode memory of the instrument should be clea...
Страница 8: ...ear the memory Now instrument offers possibility to clear the memory ERAS Default is selection ERAS NO If clearing of the memory is needed use the arrow keys to select ERAS YES and confirm by pressing ENTER key Clearing procedure is in progress It takes approximately 16 s and the duration is indicated by displaying of already cleared memory in digits 0 to 100 After memory is cleared it is possible...
Страница 9: ...tery is needed during communication with the PC let the communication cable plugged in the instrument only for time necessary for data transfer If you let instrument plugged in the computer longer than approximately 5 minutes with no communication instrument will be automatically switched OFF Battery replacement If battery voltage is low logging mode of the instrument is disabled Low battery volta...
Страница 10: ...Programs Comet CommDx Software for Windows instruction manual Communication with the instrument First connect communication cable to computer serial port Plug second connector of communication cable to the instrument and start data transfer to the computer selection from menu File from datalogger key F4 or button on the toolbar Software will find connection with the instrument and transfer data Co...
Страница 11: ...e segments of measured values it is possible to view those segments one by one Previous segment moves to previous segment Next segment moves next segment Curve setting color modification vertical axis assignment Graph setting setting of graph parameters axis description etc Graph channels one by one enables disables displaying of curves one by one i e there is only one curve on the screen at a tim...
Страница 12: ...OK button All the time before and during correction the instrument must be switched ON and settled After disconnection of the communication cable from the PC the reading is already corrected in accordance with the entered constant or altitude above sea level If instrument is moved to a location with different altitude above sea level it is necessary to repeat the entire procedure If you want to re...