Page 1
Page 2
l.lntroduction
Thank
you
for
your purchase
of the XC-0328 Wireless
Indoor/Outdoor
8-Channel Thermo-Hygrometer
with Jumbo Display. The
following user
guide provides
step
by step instructions for installation,
operation
and
troubleshooting.
2.Getting Started
,
Note: The
power
up
sequence must be
performed
jn
the order
shown in this
section
(insert
batteries in the remote transmitte(s)
first,
Display
Console second).
The unit consists
of a display
console
(receiver),
and
a thermo-
hygrometer
(remote
transmitter).
2.'l Parts List
Item
l
Display
Console
Frame
Dimensions (LxHxW):
11.4x12.7x2.scm
2.2 Recommend
Tools
Hammer and nail
for hanging
remote thermo-hygrometer
transmitter.
2.3 Thermo-Hygrometer
Sensor Set Up
1. Remove
the
battery door on the back of the
sensor by
removing the
set screw,
as shown in Figure 1 .
OTY
*,-m
ffi-
-n
Figure
1
2. BEFORE inserting the batteries, Iocate the dip switches on
the
inside cover of
the lid of the
transmitter.
Figure 2
displays
all four switches in the
OFF
position
(factory
default
setting).
ON
Figure
2
3. Channel Number: The XC-0328 supports up to eighl
transmitters. To set each channel number
(the
default is Channel 1),
change Dip Switches
1
,2
and 3, as referenced
in
Table 1 .
4. Temperature Units of Measure: To change the transmitter
display units of measure
('F
vs. 'C),
change Dip Switch 4, as
referenced
in Table 1.
IttI
'l
234
LCD Dimensions (LxW):
9.5x8.9cm
LCD Segment
Height:
3.2cm
,
Thermo-hygrometertransmitter
[
'
Dimensions],L-xHxw):
11 .4x5-\2.0cm
l
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Page 3
DIP SWITCH
FUNCTION
1
2 3
4
DOWN
DOWN DOWN Chann€l
'l
DOWN
DOWN
UP
Channel
2
DOWN
UP
DOWN
channel 3
DOWN UP
UP
Channel
4
UP
DOWN DOWN
Channel 5
UP
DOWN
UP
Channel 6
UP
UP
DOWN
Channel
7
UP
UP
UP
Channel
8
DOWN
.F
UP
"c
Table
1
5.
lnsert two
AAA batteries.
6.
After inserting
the batteries,
the
remote sensor
LED indicator
will
tight
for 4 seconds,
and then
flash once
per
60 seconds
thereafter.
Each
time it flashes,
the sensor
is transmitting
data.
7. Verify
the correct
channel number
(CH)
and
temperature
units
of
measure
('F
vs.
'C)
are
on the display,
as shown
in Figure
3.
1
1
Figure
3
(1)
temperature
(2)
temperature
units
('F
vs.
'C)
(3)
channel
number
(4)
relative
humidity
-4-
8.
Close
the
battery
door.
Make
sure
the
gasket
(around the
battery
compartment)
is
properly seated
in
its
trace
prior
to
closing
the door.
Tighten
the set
screw.
2.4
DisplaY
Console
Set
UP
1. Move
the
remote
thermo-hygromete(s)
about
1 5m
to
3m away
from
the
display
console
(if
the sensor
is
too close,
it may
not
be
received
by
the
display
console).
lf
you
have
more
than one
thermo-hygrometer,
make
sure
they
are
all
powered up
and
transmitting
on
different
channels.
2. Remove
the
battery
door
on
the back
of the
display,
as
shown in
Figure
4. lnsert
four
AAA
(alkaline or
lithium,
avoid
rechargeable)
batteries
in
the back
of
the
display
console
lf;r
Figure
4
All
of the
LCD
segments
will light
up for
a
few seconds
to
verify
all
segments
are
operating
ProPerlY.
3.
Replace
the
battery
door, and
fold
out
the
desk
stand
and
place
the
console
in
the
uPright
Position.
The console
will
instantly
display
indoor
temperature
and
humidity
as designated
by the@icon.
The
remote
temperature
and
humidity
will
update
on
the
display
within
a
few
minutes
on
the
appropriate
channel.
I
:
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Page 4
While in the search
mode, the remote search icon
q/ will be
constantly
displayed.
lf
you
have more than
one remote sensor
(up
to eight remotes
are
supported), the
display will automatically toggle between
sensors
until all sensors
have reported in.
Do not touch
any buttons
until the
remote
sensor
has
reported in, or
the radio
search icon
9
is no longer on, otherwise the remote
sensor search mode
will be terminated. When the remote
sensor
temperature and
humidity has been
received,
the console
will
automatically switch
to the normal
mode, and all
further
settings can
be
performed.
lf the remote does
not update,
please
reference the
troubleshooting
guide
in Section
8 .
2.4.1 Display
Console Layout
---
Note:
The following
illustration shows lhe full segments of the
LCD for description
purposes
only and will not appear
like
this during
normal operation
't23
-5
Figure
5
Temperature
Min/Max Record mode
-b-
3.
Temperature,
Rate
of Change
indicator
4. Temperature
units
("F
or "C)
5.
Humidity,
Rate
of Change
indicator
6.
Relative
Humidity
(%)
7. Humidity
Comfort
lcon
8.
Reception
lcon
(sotid
when
searching'
flashes
when
updating)
9. Channel
1,2,3,4,5,6,7,8,@
indicator
2.4.2
Sensor
Operation
Verification
Verify the
indoor
and
outdoor
humidity
match
closely
with the
console
and sensor
array
in the
same
location
(about
1.5
to 3
meters
apart)'
The sensors
should
be within
1O%
(the
accuracy
is t
5%).
Allow
about
30 minutes
for both
sensors
to stabilize.
The
humidity
can
be
adjusted
or calibrated
later
to match
each
other a
known
source.
Verify
the
indoor
and
outdoor
temperature
match
closely
with the
console
and
sensor
array
in
the same
location
(about 1 5 to
3 meters
apart).
The
sensors
should
be
within 2'C
(the
accuracy
is
t 1"C)
Allow
about 30
minutes
for both
sensors
to stabilize.
The temperature
can be
adjusted
or calibrated
later
to match
each
other
or a known
source'
3. Remote
Sensor
lnstallation
It is recommended
you
mount
the
remote
sensor
on
a north
facing
wall,
in a shaded
area.
Direct
sunlight
and
radiant
heat
sources
will result
in
inaccurate
temperature
readings.
Although
the
sensor
is
water
resistant,
it is best
to mount
in
a well
protected
area,
such
as under
an
eve.
Use a screw
or nail
(not
included)
to
affix the remote
sensor
to the
wall, as
shown
in Figure
6.
9
8
7
BB';
6
m-N
Figure
6
-7-
Page 5
4. Display Features
4.'t Comfort lcon
The
comfort
icon
is based on
humidity
ranges specified in Figure 7 .
The icon is displayed
for indoor.humidity, remote channel t humidity
and optional remote
channels 2 through 8 humidity.
Figure 7
4.2 Rate of Change
lcon
The rate of change
icon
[4-l
detects rapid
changes
in temperature
and
humidiry lf the arrow
points
upward, the temperature is increasing
at a
rate of
+2"C
per
30
minutes
(or greater),
or
humidity is increasing at
a
rate of
+5%
per
30
minutes
(or greater).
lf the arrow
points
downward,
the temperature is
decreasing
at a
rate
of
-2"C
per
30 minutes
(or
less),
or
humidity is
decreasing at
a rate of
-5%
per
30
minutes
(or
less).
5. Gonsole Operation
,--
Note: The
console has three
buttons
for easy
operation:
MIN/MAX/- button, CLEAR/ADJUST
button, and CHANNEU+ button.
5.1
Min/Max
Mode
The Min/Max mode displays
the minimum and maximum temperature
and humidity
(since
reset of the unit) for the indoor, remote
channel
1
through
8 sensors.
Prior to entering the
MIN/MAX mode,
press
the CHANNEU+ button to
select the temperature
and humidity values
you
wish to view.
1. Display Maximum.
Press the MIN/MAX button once to
display
the maximum.
The MAX icon will
be
displayed.
2.
Clear Maximum. To reset
the maximum
values
to the current
values,
press
and
hold the CLEAR button
for 3
seconds.
3. Display
Minimum. Press
the MIN/MAX
button again to
display the minimum. The MIN icon will be displayed.
4. Clear Minimum.
To reset
the minimum
values to the current
values,
press
and hold the CLEAR button for 3 seconds.
To return to normal mode,
press
the MIN/MAX button again.
5.2
lndoor/Outdoor Channel
Selection
Press the CHANNEU+ button to switch the display between lhe indoor
temperature
and
humidityE, remote
sensors
1 through 8, and scroll
modeQ.. ln scroll mode, all of the indoor and detected outdoor sensors
will be displayed in five second intervals.
5.3 Temperature Units of Measure
The default temperature units of measure are degrees Celsius. To toggle
between degrees Celsius and degrees Fahrenheit,
press
and
hold the
MIN/MAX button for 3 seconds.
5.4 Sensor Search
Mode
lf
any of the sensor communication
is
lost, dashes
G-.-)
will
be
displayed
on the screen. To reacquire the signal:
1. lf
a specific
channel is lost,
press
the CHANNEU+ button to
display thrs channel, then
Press
and hold the CHANNEU+ button
for
3
seconds, and the remote
search
iconq}z will be constantly
displayed for up to 10 minutes. Once the signal is reacquired,
the
remote search icon\7will turn off, and the current values will be
displayed.
2. lf new sensors are added, subtracted, or multiple sensor channels
are lost,
press
the CHANNEU+ button until the indoor channel
isEdisplayed. Press and hold the CHANNEU+ button
for
3
seconds, and the remote search icon
9
will be constantly
displayed for up to 10 minutes. Once the signal is reacquired, the
remote search icon 9 will turn off, and the current values will be
displayed.
5.5 Best Practices for Wireless
Communication
Wireless communication is susceptible to interference, distance, walls
and metal
barriers.
We recommend
the following best
practices
for
trouble free wireless communication.
-9-
1
)
)
\
.,)
RH<45%
RH45%-65% RH>65%
C-)
o
@
Dry
Comfortable
Wet
Page 6
1. Electro-Magnetic
lnterference
(EMl). Keep
the console
several
feet away
from computer
monitors
and
TVs.
2. Radio
Frequency
Interference
(RFl).
lf
you
have other
433
MHz devices
and
communication
is intermittent,
try turning
off
these
other
devices for
troubleshooting
purposes.
You
may
need
to relocate
the transmitters
or
receivers
to
avoid
intermittent communication.
3.
Line of Sight
Rating.
This device
is
rated
at 90
meters
line of
sight
(no
interference,
barriers
or
walls) but
typically
you
will
get
30
meters maximum
under
most
real-world
installations,
which
include
passing
through
barriers
or walls.
4. Metal
Barriers.
Radio
frequency
will
not
pass
through
metal
barriers
such as aluminum
siding.
lf
you
have
metal siding,
align
the
remote and console
through
a window
to
get
a clear
line
of sight
.
5.6 Adjustment
or
Calibration
_--
Note: The
calibrated
value can
only be
adiusted
on the
console.
The
remote
senso(s)
always displays
the un-calibrated
or measured
value.
- -
Note: The
measured
humidity
range
is between
10
and 99%.
Humidity
cannot
be accurately
measured
outside
of
this range.
The
purpose
of
calibration is
to fine
tune or
correct
for any
sensor
error
associated
with
the devices
margin
of error.
The
measurement
can
be
adjusted
from the
console to calibrate
to a known
source.
Calibration
is only useful
if
you
have
a known
calibrated
source
you
can
compare
it against,
and
is optional.
This section
discusses
practices,
procedures
and sources
for sensor
calibration
to
reduce
manufacturing
and
degradation
errors.
Do
not compare
your
readings
obtained
from
sources such
as
the internet,
radio' television
or
newspapers.
They are in a different
location
and typically
update
once
per
hour.
The
purpose
of
your
weather station is to measure conditions
of
your
surroundings, which
vary significantly from location to location.
5.6.1 HumidityCalibration
Prior to
entering
the calibration
mode,
press
the CHANNEU+ button
to
select the humidity sensor
you
wish to
adjust.
To enter the humidity
calibration mode,
press
and hold the
ADJUST and MIN/MAX
buttons at the same time
for 5 seconds
and
the
humidity value
will begin flashing. Press the CHANNEL/+
button to
increase the humidity and the MIN/MAX/-
button to
decrease the humidity
reading in 1% increments.
To rapidly
increase
(or
decrease) the
humidity
reading,
press
and hold
the
CHANNEL/+ or
MIN/MAX/- button.
To return the
humidity to the actual or uncalibrated
measurement,
press
the ADJUST
button.
Once the displayed humidity equals the calibrated
source,
press
and hold the ADJUST
button for three seconds,
or wait 15
seconds for timeout,
and the humidity value will stop
flashing.
5.6.2
Temperature Calibration
Prior
to entering
the calibration mode,
press
the CHANNEU+
button to
select the temperature
you
wish to adjust.
To enter the temperature
calibration mode,
press
and
hold the
ADJUST butlon for 5 seconds and the temperature
value will begin
flashing. Press the CHANNEU+ button to increase
the temperature
and the
MIN/MAX- button to decrease the
temperature reading in
0.1'C increments.
To rapidly increase
(or
decrease)
the temperature
reading,
press
and hold
the CHANNEL/+ or MIN/MAX- button.
To return the temperature to the actual or uncalibrated
measurement,
press
the ADJUST
button.
Once the displayed
temperature equals the calibrated
source,
press
and hold the ADJUST
button for three seconds, or wait
15 seconds for
timeout, and the temperature
value will
stop
flashing.
-'t't-
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Page 7
6.
Glossary
of
Terms
Term
Def
inition
Accuracy
Accuracy
is detined
as
the
ability
of a
measurement
to match
the actual
value ofthe
quantity
being
measured.
A hygrometer
is a device
that
measures
relative
humidity'
Relaiive
humidity
is a term
used
to
describe
the amount
or
percentage of water
vapor
that
exists
in air.
rygrL
Range
Range
is defined
as the
amount
or extent
a
value can
be
measured.
7. Specifications
7.1
Wireless
SPecifications
o
Line of
sight wireless
transmission
(in
open
air):
90 meters,
30
meters under
most
conditions.
.
Frequency:433
MHz
o Update
Rate:60
seconds
7.2 Measurement
SPecifications
The
following
table
provides speciflcations
for
the
measured
parameters.
Measurement
Range
Accuracy
Resolution
lndoor
Temperature 0 to 60"C
t
'1'C
0-1'c
Outdoor
Temperature -40 to 60"C
t l'C
0.1
"c
lndoor
HumiditY
10to99%
t 5%
(only
guaranteed
between
20
to 90%)
1%
Outdoor
HumiditY 10to99%
i 5%
(only
guaranteed
between
20 to
90o/o)
1%
7.3
Power
ConsumPtion
o
Base station
(display
console):
4 x
AAA
1.5V
Alkaline
or
Lithium
batteries
(not
included)
. Remote
sensor
: 2 x
AAA
1.5V
Alkaline
or
Lithium
batteries
(not
included)
. Battery
life:
Minimum
12 months
for base
station
with one
sensor
and
excellent
reception.
lntermittent
reception
and
multiple
sensors
may
reduce
the battery
life.
Minimum
12 months
for
thermometer-hygrometer
sensor
(use
lithium batteries
in cold
weather climates
less
than
-20'C)
I
8. Troubleshooting
Guide
lf
your
question
is not answered
here,
you
can
contact
us
as
follows:
Problem
Solution
Wireless remote
(themehygrometer)
not reporting
in to
mnsole.
There are dashes
(-.-)
on the display
6nsole.
lf any
of the sensor
communication
is lost,
dashes
(--.-)
will
be displayed
on
the screen'
To
reacquire
the signal,
press
and
hold
the
CHANNEU+
button
for
3 seconds,
and
the
remote
search icon
g,
will be
constantly
displayed.
Once
the signal
is
reacquired,
the
remote
search icon
€2
will
turn off,
and
the
cunent
values will
be displayed.
The
maximum line
of
sight communication
range
is 100
meters and
30 meters
under
most
conditions.
Move the sensor
assembly
closer
to
the display
console.
lf the sensor assembly
is too close
(less
than
5'), move
the sensor
assembly
away
from
the
display console.
Make
sure the remote
sensor
LCD
display
is
working and
the transmitter
light
is flashing
once
per
60
seconds.
lnstall
a fresh set of
batteries
in the
remote
thermo-hygrometer.
For
cold weather
environments,
install
lithium
batteries'
Make sure
the remote
sensors
are not
transmitting
through
solid
metal
(acts
as an
RF
shield), or earth
barrier
(down
a
hill).
-1
3-
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Page 8
Problem
Solution
Move the display console around
electrical
noise
generating
devices, such
ascomputers,
TVs and other wireless
transmitters or
receivers.
Move the remote sensor to a higher location.
Move the remote sensor to a
closer
location
Temperature sensor
reads
too high in the
day time.
Make sure the thermo-hygrometer is
mounted
in a shaded area
on the north facing
wall-
lndoor and Outdoor
Temperature do not
agree
Allow up to one hour for the sensors to
stabilize
due
to signal filtering. The indoor and
outdoor temperature sensors
should
agree
within 2
"C
(the
sensor accuracy is t 1
"C).
Use the
calibration
feature to match the indoor
and outdoor temperature to a
known
source.
lndoor
and
Outdoor
Humidity do not
agree.
Allow
up
to one hour for the sensors to
stabilize
due
to signal filtering.
The
indoor and
outdoor humidity sensors should agree within
1 0
%
(the
sensor
accuracy is r 5 %).
Use the calibration feature to match the lndoor
and outdoor humidity to a known source.
Display console
contrast is weak
Replace console batteries
with a fresh set of
batteries.
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