Oregon Scientific EM899 User manual

1
GB
INDOOR AND OUTDOOR JUMBO
THERMOMETER WITH MEMORY
MODEL : EM899
USER'S MANUAL
INTRODUCTION
ongratulations on your purchase of the EM899 Indoor and Outdoor
Jumbo Thermometer with memory. This Thermometer has been
designed specifically with performance and ease-of-use in mind. It
can measure the indoor temperature and also the outdoor temperature
by means of a 3-meter outdoor sensor-probe. It can also show the
maximum and minimum temperature recorded.
Other features include large L D display, user-selectable º or ºF
temperature display unit and wall-mount or table-stand option.

2
GB
FEATURES
OUTDOOR
RESET MIN-TEMP-MAX
INDOOR
A
BD
C
E
F
G
J
KIH
A. JUMBO LCD DISPLAY
Displays the indoor and outdoor temperature readings
B. INDOOR SENSOR VENTILATION
C. [RESET] BUTTON
Press to reset all maximum and minimum readings
D. [MAX] BUTTON
Press to display the maximum temperature readings
E. [MIN] BUTTON
Press to display the minimum temperature readings
F. WALL-MOUNT RECESSED SCREW HOLE
For wall-mount feature
G. [ºC/ºF] SLIDE BUTTON
Slide to select the temperature display unit º or ºF
H. TABLE-STAND
I. BATTERY COMPARTMENT
Accommodates one (1) piece of UM-4 or "AAA" 1.5V battery
J. OUTDOOR SENSOR PROBE
K. WIRE ATTACHMENT
To hold the outdoor sensor probe in place
ventilation

3
GB
BATTERY INSTALLATION
This unit uses one (1) piece of UM-4 or "AAA" 1.5V battery.
Follow these steps to install/ replace the battery:
1. Slide down the battery door in the direction of the arrow on the
battery door.
2. Insert the battery strictly according to the polarities shown therein.
3. Replace the battery door.
GENERAL OPERATION
This Thermometer will measure and display indoor and outdoor
current temperature or it can be set to display the maximum or
minimum temperature recorded.
N te: When the indoor or outdoor temperature is outside the
measuring range, "LLL" appears on the display (below 0°/+32°F
for indoor and below -50°/-58°F for outdoor) or "HHH" appears
on the display (above +50°/+122°F for indoor and above +70°/
+158°F for outdoor).
This thermometer will continue to record the indoor/ outdoor
maximum, indoor/outdoor minimum temperature changes, whether
displaying current, maximum or minimum temperature readings.
MINIMUM AND MAXIMUM
TEMPERATURE MEMORIES
Follow these steps to display the minimum or maximum temperatures:
1. Press the [ MIN ] button once, the indoor / outdoor minimum
temperatures recorded and the 'MIN' indicator appear on the
display.
Press the [ MIN ] button once again, the current temperature
appear on the display.
2. Press the [ MAX ] button once, the indoor / outdoor maximum
temperatures recorded and the 'MAX' indicator appear on the
display.
Press the [ MAX ] button once again, the current temperature
appear on the display.
RETTING THE MAXIMUM OR MINIMUM
TEMPERATURE MEMORIES
1. Press the [ RESET ] button once, to clear the minimum or
maximum temperature recorded, then full display segments will
show for about 3 seconds.
2. The current temperature returns to display and such readings will
update as the minimum and maximum temperature.

4
GB
SELECTING THE TEMPERATURE UNITS
OF MEASURE
The switch on the back of the thermometer selects between degrees
elsius and Fahrenheit. To select elsius units, set the switch to °.
To select Fahrenheit units, set the switch to °F.
N te: Press the [ RESET ] button once, after the temperature units
of measure changed to degrees elsius or Fahrenheit.
After resetting the unit, the minimum and maximum temperature
recorded will be reset.
THE RESET BUTTON
If the unit does not operate properly, use a pointed object to push the
[ RESET ] button once, which is located in the front panel.
N te: After resetting the unit, the minimum and maximum
temperature recorded will be reset.
SECURING THE OUTDOOR SENSOR PROBE
Follow these steps to secure the outdoor sensor probe :
1. Drive a screw (not included) into the wall at the location you
choose for the sensor.
2. Hang the outdoor sensor probe wire attachment loop onto the
screw.
3. Route the outdoor sensor cord (3 meters) through the window.
INDOOR OUTDOOR
outdoor sensor probe
wire attachment
screw
N te: Locate the outdoor sensor probe away from direct sun light
and heavy precipitation.
TABLE STAND AND WALL MOUNTING
Stand:
Flip out the plastic stand on the rear of the Thermometer for table
standing. Stand the Thermometer on a flat surface.
Wall M unt:
You can mount your Thermometer on a wall by using a screw (not
included) with the screw head extending about 3.5 mm from the wall.
N tes: For accurate measurement,you should mount the Thermometer
in an area where air can flow freely around it.
OUTDOOR
RESET MIN-TEMP-MAX
INDOOR

5
GB
MAINTENANCE
When handled properly, this unit is engineered to give you years of
satisfactory service. Here are a few product care instructions:
1. Do not immerse the unit in water. If the unit comes in contact
with water, dry it immediately with a soft lint-free cloth.
2. Do not clean the unit with abrasive or corrosive materials.
Abrasive cleaning agents may scratch the plastic parts and corrode
the electronic circuit.
3. Do not subject the unit to excessive: force, shock, dust,
temperature, or humidity. Such treatment may result in
malfunction, a shorter electronic life span, damaged batteries, or
distorted parts.
4. Do not tamper with the unit’s internal components. Doing so
will terminate the unit’s warranty and may cause damage. The
unit contains no user-serviceable parts.
5. Only use new batteries as specified in this instruction manual.
Do not mix new and old batteries as the old batteries may leak.
6. Read this instruction manual thoroughly before operating the unit.
SPECIFICATIONS
Operating temperature : 0° to 50° (32°F to 122°F)
Temperature measuring range : 0° to 50° (32°F to 122°F)
(unit : indoor sensor)
Temperature measuring range : -50° to 70° (-58°F to 158°F)
(probe: outdoor sensor)
Temperature display resolution: 0.1° ( 0.2°F)
(unit : indoor sensor and probe:
outdoor sensor)
Temperature sampling cycle : 10 seconds
(unit: indoor sensor and probe:
outdoor sensor)
Power source : Uses 1 piece UM4 or ‘AAA’ size
battery (not included)
Weight : 135 gms (without battery)
Size : 117X 107 X 21mm ( H X W XD)
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.
- Technical features are subject to canghe without furter notice