4
RHT30_TH30
‐
en
‐
GB_V1.0
(11/16)
Display
(LCD)
Description
o
F
o
C
Temperature
unit
of
measure
as
programmed
by
the
user
RH%
Displayed
when
showing
Relative
Humidity
reading
(RHT30)
T1
Represents
the
internal
sensor
(air)
temperature
(TH30)
T2
Represents
the
external
probe
temperature.
If
no
probe
is
connected,
the
display
will
show
dashes
for
the
T2
temperature
reading
(TH30)
H
High
Alarm
triggered
L
Low
Alarm
triggered
REC
REC
flashes
once
per
second
when
actively
datalogging.
When
logger
is
programmed
with
a
‘Start
Delay’,
REC
is
displayed
but
does
not
flash
until
after
the
delay
time
has
elapsed
and
the
logging
begins
Battery
icon
flashes
once
per
second
when
battery
level
is
critically
low
MX
Displayed
when
the
maximum
recorded
reading
is
selected
with
the
MAX
‐
MIN
button
MN
Displayed
when
the
recorded
minimum
(MN)
reading
is
selected
with
the
MAX
‐
MIN
button
LED
Status
Indicator
Description
The
dual
color
(red/green)
LED
status
indicator
is
located
to
the
right
of
the
LCD.
Red
(Alarm):
Blinks
red
every
10
seconds
in
an
alarm
condition
Green
(Datalogging):
Blinks
green
every
10
seconds
while
actively
datalogging
Green
(PC
connection):
Glows
steady
green
while
establishing
connection
to
PC
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