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Summary of Contents for Wuntronic COMMETER D4141
- Page 1 COMMETER D4141 Digital thermo-hygro-barometer with external probe Manual for use...
- Page 2 Instruction manual for use of thermo-hygro-barometer COMMETER D4141 Instrument is designed for measurement and data logging of temperature, relative humidity, atmospheric pressure and pressure tendency. It enables to display the dew point temperature and atmospheric pressure corrected to the sea level. Measured values are displayed on a dual line LCD display.
- Page 3 Material of the case: ABS Forsan Operation conditions: Ambient temperature range: instrument: -10 to +60 °C, probe: -30 to +80°C Ambient rel. humidity range: instrument: 5 to 95 %RH, non condensing, probe: 0 to 100% Outer characteristics in accordance with EN 33-2000-3: normal environment with characteristics AD1, AE1, AF1, AG1, AH1, AK1, AL1, AN1, AP1, AQ1, AR1, AS1, BA1, Not allowed manipulation: it is not allowed to touch sensors under the cover to avoid sensors damaging or to effect calibration.
- Page 4 Connect the external probe to the connector before switching ON the instrument. Switch ON the instrument by pressing ON/OFF key. After switching ON the instrument all symbols on the LCD are displayed. If the ON/OFF key is being held pressed, all LCD symbols are displayed till the key is released.
- Page 5 Function HOLD (storing of actual measured 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).
- Page 6 Time (hour and minute) in internal real time clock of the instrument. Press ENTER key to check date (day, month, year). Battery voltage of partially loaded battery is displayed. This value illustrates battery condition. Display refresh mode is indicated. In the FAST mode refreshment is fastest with regular interval approximately 0.7 s.
- Page 7 alarm is active, audio indication can be activated, if menu AUDI "On" is selected (see setting described above). Alarm activation of each value can be disabled by setting lower alarm limit of the desired value up to its maximum. This is indicated by OFF reading at the position of numeric value.
- Page 8 and position of the record in memory is displayed (reading MEMO with the record serial number). In this mode it is possible to store max. 1000 records. It is possible to select one of the three logging modes (MODE): -automatic non cyclic logging, when logging 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...
- Page 9 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).
- Page 10 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 voltage is indicated on the display with blinking reading "BAT".
- Page 11 insert short description with e.g. conditions or location of measurement which is stored together with measured values. Viewing of measured values Measured values can be read directly from datalogger or from formerly created file on disk (command File - From disk, key F3). After reading a table of measured values occurs. Detailed information on file is available from context menu - menu occurs after clicking right mouse button on the position of table.
- Page 12 Graph-channel name in the Graph-channels one by one mode displays actual channel name Graph-next channel in the Graph-channels one by one mode switches to next channel Graph-previous channel in the Graph-channels one by one mode switches to previous channel Commeter instruments passed the following electromagnetic compatibility (EMC) tests: radiation: EN 55022 class B immunity: EN 61000-4-2...
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