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CABLE FREE
THERMO-HYGRO SENSOR
MODEL: THGR968
USER’S MANUAL
INTRODUCTION
Congratulations on your purchasing the THGR968 Remote-hygro
Thermo Sensor. The Remote Thermo-Hygro Sensor is used with the
OSI Wireless Weather Station WMR112A to monitor temperature
and humidity changes of remote or outdoor sites . Operation is easy
and no wire installation is required.
INSTALLATION
The thermo-hygrometeris a self-contained unit and is powered by
a solar cell Solar Power Cell:
1. Unscrew the screws on the back cover of the solar power cell
STR-928 and remove the back cover.
2. Insert the thermo-hygrometer cable into the cable connection
in the solar power cell.
3. Insert two “AA” batteries (included) with the polarities in
the direction as shown inside the compartment.
4. Position the cable so the cable is placed into the cable recess
and the back cover can fit into place.
5. Press the [RESET] button.
6. Place the back on the unit and tighten the screws reattaching
the backcover to the solar power cell unit.
‘AA’Um31.5V
‘AA’Um31.5V
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Thermo-Hygrometer:
Position and mount the remote sensor and its solar power
cell outdoors in a protective location from direct sun and
rain.
To see the readings from the thermo-hygro sensor you need to own
the Main Unit of the WMR112A set. The main unit displays outdoor
temperature and humidity readings from the thermo-hygro sensor.
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 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
Proposed operating range : -20.0°C to +60.0°C
(-4.0°F to 140.0°F)
Temperature resolution : 0.1°C (0.2°F)
RF Transmission Frequency : 433 MHz
RF Transmission Range : (30 meters) 100 feet
Temperature sensing cycle : around 40 seconds
Power : solar cell (STR928)
Weight : 3.93 ounces (111.5 g)
Dimension : 4.47x1.67x4.23 inches
113.5(L)x42.5(W)x
107.5(H)mm
STR928 :
Weight : 9.38 ounces(266 g)
Dimension : 115(L) x 81(W) x 138(H) mm
(4.53x3.19x5.43 inches)
Power back up : 2 x UM3- “AA” size alkaline
battery (recommend super
lithium battery for weather
condition under 0°C/32 ° F)
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NOTE ON COMPLIANCE
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, including interference that may cause
undesired operations.
Warning: Changes or modifications to this unit not expressly
approved by the party responsible for compliance could void the
user's authority to operate the equipment.
FCC :
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:
o Reorient or relocate the receiving unit.
o Increase the separation between the equipment.
o Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
o Consult the dealer of an experienced radio/TV technician for
help.
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 contents of this manual may not be reproduced
without the permission of the manufacturer.
CUSTOMER ASSISTANCE
Should you require assistance regarding this product and its
operation, please contact our customer care department at
800-853-8883 or via email at helpme@oscientific.com.
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WARRANTY
This product is warranted to be free of manufacturing defects for a
period of 90 days from date of retail purchase. Defective product
should be directed to the place of retail purchase for exchange.
Should this not be possible, contact our customer care department
for assistance and a return material authorization. No returns may
be made without a return authorization. Please retain your retail
receipt as you may be asked to provide a copy of it for proof of date
purchased.
This warranty does not cover product subjected to abuse, misuse,
accidental damage or tampering.
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