Delta OHM HD32.2, Manual

Page: 8 / 52

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3. USER INTERFACES
The user interface is composed of an
LCD graphic back - enlighten display and start and set keys
of the instrument. With a battery power supplying without pressing any key, the back- lighting
switches off after 1 minute. To activate it again, press one key. With external power supply, the
back-lighting is always activated.
To switch the instrument on and off, press
ON/OFF key. When you switch it on, the logo and the
model of the instrument will be visualize, for some seconds, then you can go to the main visualiza-
tion.
3.1
THE DISPLAY
WBGT Index
2008/11/28 08:00:00
Log 00 00:00:00
Tn 15.6 °C
Tg 20.2 °C
T 20.2 °C
WBGT(in) 17.0 °C
WBGT(out) 17.0 °C
The first line visualizes the
charge condition of the battery , the second line indicates the current
date and the current hour . If logging function is activated, the third line indicates the current log-
ging number and the spent time from the logging start.
The
detected sizes are:
Tn: wet bulb with natural ventilation temperature
Tg: globe thermometer temperature
T: ambient temperature
WBGT (in): WBGT index in absence of direct solar irradiation
WBGT (out): WBGT index in presence of direct solar irradiation