Oregon Scientific THGR268 User Manual

REMOTE THERMO-HYGROMETER WITH LCD
Model: THGR268
USER MANUAL
C D
E
F
G
[ FIG A ] [ FIG B ]
[ FIG C ]
[ FIG D ]
[ FIG E ]
INTRODUCTION
Congratulations on your purchase of the Remote Thermo-Hygro
Sensor (THGR268).
The THGR268 is compatible with a variety 433MHz multi-channel
in-out thermo-hygro monitoring units. Operation is easy and no wire
installation is required.
COMPATIBLE UNITS
NOTE The THGR268 is compatible with a variety of multi-channel
units. If unsure about the compatibility of this units, please consult
your dealer.
Examples of compatible units are as follows:
EMR812HG EMR899HG WMR918
MAIN FEATURES
A Two-line LCD
Displays the current temperature and humidity monitored by the
remote unit
Temperature display
Humidity display
Comfort-level indicator
B LED INDICATOR
Flashes when the remote unit transmits a reading
° °
C C/ F SLIDE SWITCH
Selects between Centigrade (°C) and Fahrenheit (°F)
D CHANNEL SLIDE SWITCH
Designates the remote unit Channel 1, Channel 2 or Channel 3
E RESET BUTTON
Returns all settings to default values
F BATTERY COMPARTMENT
Accommodates two UM-3 or AA size alkaline batteries
G BATTERY DOOR
H WALL-MOUNT HOLDER
Supports the remote unit in wall-mounting
I REMOVABLE TABLE STAND
For standing the remote unit on a flat surface
GETTING STARTED
NOTE To ensure proper reception between the main unit and the
remote sensor, follow these instructions carefully.
BATTERY AND CHANNEL INSTALLATION
1. Place both units as close as possible to each other.
2. Assign a different channel to each remote sensor by changing
the channel switch in the battery compartment of the remote
sensor. [FIG A]
3. Select the units of measurement for the temperature display on
the °C/°F slide switch. [FIG B]
4. Install 2 alkaline batteries (UM-3 or "AA" size 1.5V) strictly
according to the polarities shown. [FIG C]
5. Insert batteries or press the reset button of the main unit. Follow
the instructions as set out in the user's manual.
6. Position the remote sensor and main unit within effective
transmission range, which in usual circumstances, is 30 meters.
NOTE The effective range may be limited by building materials and
the position of either the main unit or remote sensors. Try various set-
up arrangements for best result.
Though the sensor is weatherproof, and is meant for use outside, it
should be placed away from direct sunlight, rain, or snow.
CHANGING CHANNELS
Once a channel is assigned to a unit, you can only change it by removing
the batteries and repeating the above procedure.
LOW-BATTERY WARNING
A battery-low indicator [ ] will activate on the sensor to indicate that
the batteries are low and require changing. Low batteries for a given
sensor will also be indicated on the main unit. Replace the batteries
when the low-battery indicator appears.
Standard Alkaline batteries contain signifcant amounts of water.
Because of this they will freeze in low temperatures of approximately
10°F (12°C). Disposable Lithium batteries have a much lower threshold
for temperature with an estimated freezing range of below -40°F (-
40°C). The Liquid Crystal Display in outdoor thermometers will remain
operational to -20°F (-28°C) with adequate power.
Wireless ranges can be impacted by a variety of factors such as
extremely cold temperatures. Extreme cold may temporarily reduce
the effective range between the sensor and the base station. If the
unit's performance fails due to low temperature, the unit will resume
proper functioning as the temperature rises to within the normal
temperature range (i.e no permanent damage will occur to the unit
due to low temperatures).
NOTE Disposed of improperly, batteries can be harmful.
Protect the environment by taking exhausted batteries to
authorized disposal stations.
THE COMFORT-LEVEL INDICATOR
The comfort level is based on the recorded relative humidity. An indi-
cator will be displayed to show if the level is comfortable, wet or dry.
[FIG D]
OPERATION
Once batteries are in place, the sensor will start transmitting samplings
at 40-second intervals.
The remote sensor reading shown on the LCD of the main unit depends
on which remote sensor channel has been chosen.
HOW TO RESET THE UNIT
The reset function is required only when the unit is operating in an
unfavorable way or malfunctioning.
To access:
1. Lift open the battery compartment door.
2. Place a blunt stylus into the hole marked RESET and press.
3. Replace the battery compartment door.
See the user's manual of your main unit for further information.
HOW TO USE THE TABLE STAND OR WALL MOUNT
This sensor comes with a wall-mount holder and a removable
stand. Use either to hold the unit in place. [ FIG E]
PRECAUTIONS
This product is engineered to give you years of satisfactory service if
you handle it carefully. Here are a few precautions:
1. Do not immerse the unit in water.
2. Do not clean the unit with abrasive or corrosive materials. They
may scratch the plastic parts and corrode the electronic circuit.
3. Do not subject the unit to excessive force, shock, dust,
temperature or humidity, which may result in malfunction, shorter
electronic life span, damaged battery and distorted parts.
4. Do not tamper with the unit's internal components. Doing so will
invalidate the warranty on the unit and may cause unnecessary
damage. The unit contains no user-serviceable parts.
5. Only use fresh batteries as specified in the user's manual. Do
not mix old and new batteries. Do not mix alkaline, standard
(carbon-zinc), or rechargeable (nickel-cadmium) batteries.
6. Always read the user's manual thoroughly before operating the
unit.
TROUBLESHOOTING
Check here before contacting our customer service
department.
PROBLEM SYMPTOM REMEDY
Remote Cannot locate Check batteries
sensor remote sensor
Check location
Cannot change Check all sensors for
channel proper operation
Data does not Initiate a manual sensor
match main unit search
SPECIFICATIONS
Remote thermo-hygro unit
Operating range : -30.0°C to 60.0°C
(-22.0°F to 140.0°F)
Temperature resolution : 0.1°C (0.2°F)
Displayed relative humidity range : 2% RH to 97% RH
Humidity resolution : 1%
Relative humidity measurement range : 25% RH to 95% RH
RF transmission Frequency : 433 MHz
Number of channels : 3
RF transmission Range : maximum 30 meters
Temperature sensing cycle : around 40 seconds
Power : two (2) UM-3 or "AA" 1.5V alkaline batteries
Weight : 80.5 gm (without batteries)
Dimension : 105 x 70 x 21 mm (H x W x D)
CAUTION
- The content of this manual is subject to change without
further notice.
- Due to printing limitation, the displays shown in this manual
may differ from the actual display.
- The manufacturer and its suppliers held no responsibility to
you or any other person for any damage expenses, lost profits,
or any other claim that arises by using this product.
- The contents of this manual may not be reproduced without
the permission of the manufacturer.
ABOUT OREGON SCIENTIFIC
Visit our website (www.oregonscientific.com) to learn more about
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asked questions and customer downloads.
We hope you will find all the information you need on our website,
however if you're in the US and would like to contact the Oregon
Scientific Customer Care department directly, please visit:
www2.oregonscientific.com/service/default.asp
OR
Call 1-800-853-8883.
For international inquiries, please visit:
www2.oregonscientific.com/about/international.asp
FCC STATEMENT
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) This device must accept any interfer-
ence received, including interference that may cause undesired
operation.
WARNING Changes or modifications not expressly approved by
the party responsible for compliance could void the user's authority to
operate the equipment.
NOTE This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency en-
ergy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to ra-
dio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
Consult the dealer or an experienced radio / TV technician for help.
DECLARATION OF CONFORMITY
The following information is not to be used as contact for support or
sales. Please call our customer service number (listed on our
website at www.oregonscientific.com), or on the warranty card for
this product) for all inquiries instead.
We
Name: Oregon Scientific, Inc.
Address: 19861 SW 95th Ave, Tualatin, Oregon 97062 USA
Telephone No.: 1-800-853-8883
declare that the product
Product No.: THGR268
Product Name: Remote Sensor
Manufacturer: IDT Technology Limited
Address: Block C, 9/F, Kaiser Estate,
Phase 1,41 Man Yue St.,
Hung Hom, Kowloon,
Hong Kong
© 2005 Oregon Scientific. All rights reserved.