Oregon Scientific EM-899 User manual
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INSTRUCTION MANUAL
Model EM-899
Electronic Thermometer
Thank you for purchasing the Oregon Scientific thermome-
ter. This thermometer has been designed specificially with
performance and ease of use in mind. As with all Oregon
Scientific products, this thermometer is made to the highest
quality standards using precision electronic components
and should give you many years of trouble free use.
Please read the User’s Guide carefully before use to ensure
you get the best out of your new thermometer.
INTRODUCTION
- Thank you for your purchase of this Electronic
Thermometer.
- Your Electronic Thermometer is an example of
superior design and craftsmanship.
- In order to optimize its function, be sure to read this
instruction manual carefully before use.
- Keep this instruction handy for future reference.
FEATURES
- Electronic Thermometer with large size display.
- Display shows indoor and outdoor current temperature
at the same time.
- Display shows indoor and outdoor maximum tempera-
ture recorded.
- Display shows indoor and outdoor minimum tempera-
ture recorded.
- User selectable °C or °F temperature units of measure.
- Wall mounting and table standing feature
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OUTDOOR
INDOOR
RESET MIN MAX
DESCRIPTION OF PARTS
REAR VIEW
°C \ °F SWITCH
VENTILATION
STAND BATTERY DOOR
LCD DISPLAY
INDOOR
SENSOR
VENTILATION MIN MAX
RESET
FRONT VIEW
OUTDOOR
SENSOR
PROBE
WIRE
ATTACHMENT
INSTALLING AND REPLACING
BATTERY
The Thermometer uses one piece UM4 or ‘ AAA’ size
battery ( 1.5 V D.C. ),
Follow these steps to install or replace the battery
1. Slide the battery door in the direction of the arrow.
2. Insert the battery as indicated by the polarity symbols
( + and - ) marked inside the battery compartment.
3. Replace the battery door.
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OUTDOOR
INDOOR
DISPLAY AND FUNCTIONS
GENERAL OPERATION
This Thermometer will either measure and display indoor
and outdoor current temperature or it can be set to display
the maximum or minimum temperature recorded.
Note:
When the outdoor temperature is outside the measuring
range, LLL appears on the display( below - 50°C / -
58°F ) or HHH appears on the display ( above +70°C /
+158°F ).
When the indoor temperature is outside the operating
range, fades out on the display ( below 0°C / +32°F )
or blacks out on the display ( above +50°C / +122°F ).
INDOOR
TEMPERATURE
OUTDOOR
TEMPERATURE
This thermometer will continue to record the
indoor/ outdoor maximum, indoor/outdoor
minimum temperature changes, whether
displaying current, maximum or minimum
temperature readings.
HOW TO RECALL THE STORED
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.
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HOW TO RESET 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.
HOW TO SELECT THE
TEMPERATURE UNITS OF
MEASURE
The switch on the back of the thermometer selects between
degrees Celsius and Fahrenheit. To select Celsius units, set
the switch to °C. To select Fahrenheit units, set the switch
to °F.
Note: Press the [ RESET ] button once, after the
temperature units of measure changed to degrees
Celsius 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.
Note: 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 ( 10 feet ) through the
window.
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OUTDOOR
INDOOR
RESET MIN MAX
INDOOR OUTDOOR
SCREW
OUTDOOR
SENSOR
PROBE
ATTACHMENT
WIRE
Note: Locate the outdoor sensor probe away from
direct sun light and heavy precipitation.
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.
FREE 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 Mount:
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.
Notes: For accurate measurement,you should mount the
Thermometer in an area where air can flow
freely around it.
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SPECIFICATIONS
Operating
temperature : 0°C to 50°C ( 32°F to 122°F)
Temperature
measuring range : 0°C to 50°C ( 32°F to 122°F)
( unit : indoor sensor )
Temperature
measuring range : -50°C to 70°C ( -58°F to 158°F)
( probe: outdoor sensor )
Temperature
display resolution : 0.1°C ( 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 )
Battery Life : Approx. 12 months
Weight : 4.76 ounces ( without battery )
Size : 4.61 x 4.21 x 83 inches ( H X W XD)
WARRANTY
This product is warranted to be free of manufacturing defects
for a period of 3 months 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.
Should you require assistance regarding this product and
its operation, please contact our customer care department
at 541-868-8205.
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.
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