Oregon Scientific EM-899 User manual

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

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.

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.

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.

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.

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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