Davis Instruments Health EnviroMonitor, Руководство пользователя

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Health EnviroMonitor Overview
Page 8 Health EnviroMonitor Manual
The second scale is the UV Index, which assigns a number between 1 and 16 to
the current UV intensity. The lower the number, the lower the danger of sun-
burn. The following exposure categories have been assigned to the various
index numbers:
• Current Intensity of UV Radiation (Alarm: High)
• “Daily” UV Radiation Dose
• UV Radiation Dose Rate per hour
• Accumulated UV Radiation Dose during user-defined period
• Average Daily Dose of UV Radiation during user-defined period
• High UV Radiation Dose Rate with time of occurrence
Wind Chill
Wind chill takes into account how the speed of the wind affects our perception
of the air temperature. The body warms up the air molecules which surround it
by transferring heat from the skin to the surrounding air. If the wind is com-
pletely still, this “insulating layer” of warm air molecules stays next to the
body, offering some protection from the cooler air molecules and limiting fur-
ther transfer of heat. When the wind is blowing, however, the warm air sur-
rounding the body is swept away. The faster the wind blows, the faster the heat
is carried away and the colder you feel.
• Current Wind Chill (Alarm: Low)
• “Daily” Low Wind Chill with time of occurrence (AutoClear)
Outside and Inside Temperature
The Health EM has a built-in temperature sensor which reports inside temper-
ature. You may use either the external temperature sensor, stainless steel tem-
perature probe, or external temperature/humidity sensor (see “Optional
Sensors” on page 1) to measure outside temperature. Outside temperature
does not necessarily have to measure outside temperature, of course. It mea-
sures the temperature wherever you have located your temperature sensor.
• Current Outside Temperature (Alarm: High/Low)
• Current Inside Temperature (Alarm: High/Low)
• “Daily” High and Low Outside Temperature with time of occurrence (AutoClear)
I
NDEX
V
ALUES
E
XPOSURE
C
ATEGORY
0 - 2 Minimal
3 - 4 Low
5 - 6 Moderate
7 - 9 High
10+ Very High