Oregon THGR968 User Manual

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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