General Tools and Instruments DTH184DL - Manual (Page 9)

TM-184
7. Measurement Procedures
Press “ ” button to turn on the meter, press “ ”button again to turn off the
meter.
Hold “ ” button and press “ ”button to change temperature unit.(Deform
temperature unit ) ℃
Press “ ” button to change the display data.
Humidity(%RH)→DEW-POINT(WET)→WET-BULB(DEW).
Press “ ” button to lock display data on the LCD，press “ ” button again to
unlock.
8. Maximum/Minimum
Press“ ” button to enter MAX/MIN record mode and the LCD will display
Maximum temperature data, and start to record maximum and minimum data, LCD
secondary display shows that enter MAX/MIN record mode the time elapsed, when
entering MAX/MIN record mode, The maximum storage is up to 99 minutes and
99seconds
Press“ ” button to change Maximum or Minimum
Press “ ” button to change the display data.
(Temperature→Humidity(%RH)→DEW-POINT(WET)→WET-BULB) (DEW).
Press “ ” button for more than 1 second to exit maximum/minimum mode.
9. Auto Power Off
If you want disable auto power off, please hold “ ” button and press “ ”
button, the auto power off symbol will not display on the LCD
If you want enable auto power off please hold “ ” button and press “ ”
button again the auto power off symbol will display on the LCD.
Auto power off time is 30 minutes long
10. Relative Deduction Value(REL)
Press “ ” button to save the current measured result, and then the current
measured result will be subtracted by the next measured result, and the difference
from the subtraction will appear on the LCD. Press “ ” button again to exit REL
mode.
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