REMOTE THERMO SENSOR
WITH LCD
MODEL : THR28
USER'S MANUAL
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EN
INTRODUCTION
Congratulations on your purchase of the THR238N Remote Thermo Sensor.
This 433MHz
COMPATIBLE UNITS
Examples of compatible units are as follows:
EMR812HG EMR899HG WMR918
MAIN FEATURES
ALCD
Displays the current temperature monitored by the remote unit
BLED INDICATOR
Flashes when the remote unit transmits a reading
C°C/°F SLIDE SWITCH
Selects between Centigrade (°C) and Fahrenheit (°F)
DCHANNEL SLIDE SWITCH
Designates the remote unit Channel 1, Channel 2 or Channel 3
ERESET BUTTON
Returns all settings to default values
FBATTERY COMPARTMENT
Accommodates two
GBATTERY DOOR
H
Supports the remote unit in
IREMOVABLE 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 the 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
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
Though the sensor is weatherproof, and is meant for use outside, it should be placed away from direct sunlight, rain, or snow.
CHANGING CHANNELS
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
5.Only use fresh batteries as specified in the user’s manual. Do not mix new and old batteries as the old ones may leak.
6.Always read the user’s manual thoroughly before operating the unit.
SPECIFICATIONS
Temperature Measurement |
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Proposed operating range | : |
Temperature resolution | : 0.1°C (0.2°F) |
RF transmission frequency | : 433 MHz |
No. of remote unit | : maximum of 3 |
RF transmission range | : maximum 30 meters |
Temperature sensing cycle | : around 40 seconds |
Power | : use 2 pcs |
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 hold no responsibility to you or any other person for any damage expenses, lost profits, or any other claim that may arise from 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 Oregon Scientific products such as digital cameras; MP3 players; children’s elec- tronic learning products and games; projection clocks; health and fitness gear; weather stations; and digital and conference phones. The website also includes contact information for our Customer Care department in case you need to reach us, as well as frequently 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/support
OR
Call
For international enquiries, please visit:
www2.oregonscientific.com/about/international
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 interference received,
1
[ FIG A ]
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[ FIG B ]
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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 
] 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.
Note: Disposed of improperly, batteries can beharmful. Protect the environment by taking exhausted batteries to authorized disposal stations.
OPERATION
Once batteries are in place, the sensor will start transmitting samplings at
The remote sensor reading shown on the LCD 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.
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 energy 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 radio 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.
[ FIG C ]
[ FIG D ]
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
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
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 |
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Name: | Oregon Scientific, Inc. |
Address: | 19861 SW 95th Ave., Tualatin, |
| Oregon 97062 USA |
Telephone No.:
