EXTECH
INSTRUMENTS
5
CTH10A
‐
en
‐
GB_V2.3
10/15
Battery
Replacement
When
the
Clock
no
longer
displays
digits
and
text
please
replace
the
batteries.
Open
the
rear
battery
compartment,
insert
three
(3)
‘C’
type
batteries
observing
correct
polarity
and
then
close
and
secure
the
compartment
cover.
Press
the
Reset
button
(using
the
tip
of
a
paper
clip
or
pin)
in
order
to
initialize
the
meter.
Never
dispose
of
used
batteries
or
rechargeable
batteries
in
household
waste.
As
consumers,
users
are
legally
required
to
take
used
batteries
to
appropriate
collection
sites,
the
retail
store
where
the
batteries
were
purchased,
or
wherever
batteries
are
sold.
Disposal:
Do
not
dispose
of
this
instrument
in
household
waste.
The
user
is
obligated
to
take
end
‐
of
‐
life
devices
to
a
designated
collection
point
for
the
disposal
of
electrical
and
electronic
equipment.
Specifications
Display
Extra
‐
large
multi
‐
function
LCD
Calendar
Clock
Real
‐
time
calendar
clock
(up
to
year
2069)
Time
signal
detector
RC
‐
WWVB
radio
signal
automatically
sets
the
time
(clock
time
may
also
be
manually
set)
Temperature
Measurement
range
0~50
o
C
(32~122
o
F)
Storage
Temperature
‐
20~60
o
C
(
‐
4~140
o
F)
Temperature
Resolution
0.1
o
C
or
o
F
Temperature
Accuracy
±1.5°C
(±3°F):
‐
5°C
to
0°C
(23°F
to
32°F)
±1°C
(±2°F):
1°C
to
30°C
(33°F
to
86°F)
±3°F
(±1.5°C):
31°C
to
50°C
(87°F
to
122°F)
Over
‐
range
temp.
indication
HH.H
display
Under
‐
range
temp.
indication
LL.L
display
R.H.
Measurement
range
20~99%
Relative
Humidity
R.H
Accuracy
20%
to
40%
RH:
±8%
RH
(@25°C)
41%
to
70%
RH:
±6%
RH
(@25°C)
71%
to
90%
RH:
±8%
RH
(@25°C)
Power
supply
Three
(3)
‘C’
type
batteries
Dimensions
29
x
43
x
3.8
cm
(11.4
x
17
x
1.5
in.)
Weight
1.25
kg
(2.75
lbs.)
Copyright
©
2015
FLIR
Systems,
Inc.
All
rights
reserved
including
the
right
of
reproduction
in
whole
or
in
part
in
any
form
ISO
‐
9001
Certified
www.extech.com
