Oregon EMR899HGN User Manual

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MULTI-CHANNEL IN-OUT
CABLE FREE
THERMO-HYGROMETER
MODEL : EMR899HGN
User Manual
INTRODUCTION
Enclosed with this package is one (1) main display unit and one (1) cable-free remote thermo-hygro sensor unit.
The main unit has an extra-large multifunction 2-line LCD that shows recordings for indoor and outdoor temperatures, humidity, maximum and minimum recordings and trend indicators. The unit supports up to three 433MHz remote thermo-sensors or thermo­hygro sensors. A variety of additional sensors can be purchased separately.
In addition to monitoring maximum and minimum temperature and humidity readings, the unit also has an alarm that can be set to activate once readings exceed a given variance.
No wire installation is required between the main and remote units. As the EMR899HGN operates at 433MHz, it can be used in the U.S. and most places in Continental Europe.
FEATURES: MAIN UNIT
EN
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EN
A Extra large two-line Liquid Crystal Display (LCD)
Multifunction display showing temperature and humidity, max./min. memory, and trend indicators for the main unit and remote sensors.
B CHANNEL button
- Selects among different channels
- Activates remote sensor scanning mode
C IN/REMOTE
- Selects between the main-unit display and a selected
remote unit
- Activates search mode
D MEM/CLEAR button
- Recalls the maximum or minimum temperature and
humidity readings
- Clears the maximum and minimum temperature and humidity memory of remote sensor channels or the main
unit display
E HI/LO button
- Set the upper or lower temperature alarm limits of
individual channels
- Confirms alarm settings button
F
Sets the readings for the upper or lower temperature and humidity of individual channels
G AL ON/OFF button
Activates or deactivates alarm
H RESET
Returns all settings to default values and erases all memories
°C/°F slide switch
I
Selects between degree Centigrade (°C) and Fahrenheit (°F)
J Battery compartment
Accommodates two AA-size batteries
K Retractable table stand
For standing the main unit on a flat surface
L Recessed Wall-mount hole
For mounting the main unit on a wall
FEATURES: REMOTE
THERMO-HYGRO SENSOR
A Two-line LCD
Displays the current temperature and humidity monitored by the remote unit
B LED indicator
Flashes when the remote unit transmits a reading
°C/°F slide switch
C
Selects between Centigrade (°C) and Fahrenheit (°F)
D Channel slide switch
Designates the remote unit Channel 1, Channel 2 or Channel 3
E RESET
Returns all settings to default values
F Battery compartment
Accommodates two AAA-size batteries
G Battery door
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H Wall-mount holder
Supports the remote unit in wall-mounting
I Removable table stand
For standing the remote unit on a flat surface
BEFORE YOU BEGIN
EN
To ensure proper functioning of the EMR899HGN follow this setup procedure.
For best operation:
1. Assign different channels to different remote units.
2. Insert batteries for remote units before doing so for the main unit (see instructions for battery installation).
3. Place the main unit as close as possible next to the remote unit, reset the main unit after installing batteries. This will ensure easier synchronization between the transmission and reception of signals.
4. Position the remote unit and main unit within effective transmis­sion range, which, in usual circumstances, is 20 to 30 meters.
Note that the effective range is vastly affected by the building materials and where the main and remote units are positioned. Try various set-ups for best result.
Though the remote units are weather proof, they should be placed away from direct sunlight, rain or snow.
BATTERY AND CHANNEL
INSTALLATION: REMOTE UNIT
The remote thermo-hygro sensor unit uses two (2) UM-4 or “AAA” size alkaline batteries.
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Follow these steps to install / replace batteries:
1. Remove the screws on the battery compartment.
2. Select the channel number on the CHANNEL slide switch.
3. Select the temperature display unit on the °C/°F slide switch.
4. Insert the batteries strictly according to the polarities shown therein.
5. Replace the battery compartment door and secure its screws.
Replace the batteries when the low-battery indicator of the particular channel lights up on the main unit. (Repeat the steps described in section “BEFORE YOU BEGIN”)
Note that once a channel is assigned to a remote unit, you can only change it by removing the batteries or resetting the unit.
BATTERY INSTALLATION: MAIN UNIT
The main unit uses two (2) UM-3 or “AA” size alkaline batteries.
Follow these steps to install / replace batteries:
1. Slide open the battery compartment door.
2. Insert the batteries strictly according to the polarities shown therein.
3. Replace the battery compartment door.
Replace the batteries when the low-battery indicator of the indoors temperature lights up. (Repeat the steps described in section “BEFORE YOU BEGIN”)
If not disposed of properly, batteries can be harmful. Protect the environment by taking exhausted batteries ot authorized disposal stations.
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GETTING STARTED
Once batteries are placed in a given remote sensor unit, it will start transmitting information at 40-second intervals.
Also, for approximately a 3-minute duration, the main unit will automatically search for signals once batteries are installed. Upon successful reception, the individual channel temperature reading will be displayed on the top line and the respective humidity reading on the bottom line. The main unit will automatically update its readings at about 40-second intervals.
If no signals are received, blanks “ --- ” will be displayed and the kinetic wave icon will not show.
To force a signal search:
• Press and hold IN/REMOTE for 2-seconds to enforce a
3-minute search.
This is useful in synchronizing the transmission and reception of the remote and main units.
Repeat this step whenever you find discrepancies between the reading shown on the main unit and that on the respective remote unit.
Kinetic-wave
Icon
Designated Indoor
Display Display
To display temperature / humidity readings from the main unit:
• Press IN / REMOTE until a dot is displayed in the box under the kinetic-wave.
To display temperature / humidity readings from a remote sensor:
• Press CHANNEL until the appropriate remote sensor channel is displayed in the box under the kinetic-wave.
If no readings are received form one particular channel for more than 15 minutes, blanks “ --- ” will be displayed until further readings are successfully searched. Check the remote sensor to ensure that it is secure and that the correct channel has been selected. Optionally, press and hold IN/REMOTE for 2-seconds to enforce a search.
Remote Remote Remote Display Display Display
Channel One Channel Two Channel Three
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HOW TO CHECK REMOTE AND
INDOORS TEMPERATURES
Display of readings from a remote sensor or the main unit is a one­step procedure. The remote sensor channel or the main unit display is indicated in a box under the kinetic-wave icon.
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HOW TO READ
THE KINETIC-WAVE DISPLAY
The kinetic-wave display shows the signal-receiving status of the main unit. There are three possible forms:
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The unit is in searching mode. Transmission data are securely
registered. No signals.
THE COMFORT-LEVEL ICONS
The comfort level is based on the recorded relative humidity. An indicator will be displayed ot show if the level is comfortable, wet or dry.
Comfort-level
Arrow
indicator
Temperature
Trend
Arrow
indicator
Humidity
Trend
Steady FallingRising
Steady FallingRising
Note: If the temperature goes above or below the temperature measuring range of the main unit or the remote unit ( stated in specification), the display will show “HHH” or “LLL”.
TEMPERATURE AND HUMIDITY TREND
INDICATORS
The temperature-trend and humidity-trend indicators show the trends of collected readings. Arrows indicate a rising, steady or falling trend.
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REMOTE SENSOR SCANNING
The unit can be set to automatically scan and display readings from the remote sensors. When the remote-sensor mode is active, the display will show the readings from one channel for about 4-second and then proceed to the next channel display.
To activate the remote-sensor scanning mode:
• Press and hold CHANNEL for 2-seconds.
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To deactivate the remote-sensor scanning mode:
• Press any button.
MAXIMUM AND MINIMUM
TEMPERATURE AND HUMIDITY
The maximum and minimum recorded temperature and humidity readings will automatically be stored in the memory.
To display the maximum and minimum display memory:
1. Select the channel to be checked.
2. Press MEM/CLEAR once to display the maximum temperature
and again the minimum temperature. The respective indicators, MAX or MIN will be displayed.
To clear the memory:
• Press and hold MEM/CLEAR for 2-seconds. If you press MEM/CLEAR now, the maximum and minimum
temperatures will have the same values as the current ones until different readings are recorded.
HOW TO USE CHANNEL-1
TEMPERATURE/HUMIDITY ALARM
Upper and lower temperature and humidity limits for channel-1 can be set so that an alarm activates when the limits are exceeded.
The high and low temperature and humidity displays are selected by sequentially pressing HI/LO.
The high-low displays are as follows:
Sequence Respective Display
Pressing HI/LO once Enters HI temperature display Pressing HI/LO twice Enters HI humidity display Pressing HI/LO three times Enters LO temperature display Pressing HI/LO a four time Enters LO humidity display
To set a high or low temperature or humidity alarm:
1. Press HI/LO, channel-1 will be displayed.
2. Press
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to set the temperature or humidity limit. Each press will increase increments by one degree or percentage. Press and hold the button for a rapid-scrolling sequence by increments of five.
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Note:
°
The temperature range is from -50 (158°F).
If this is the first time you set the limits, the lower limit will start
°
C (-58°F) and the upper limit +70°C (158°F).
from -50 Otherwise, the reading will start from the temperature last selected.
The humidity range is from 2% to 98%. If this is the first time you set the limits, the lower limit will start
from 2% and the upper limit 98% Otherwise, the reading will start from the humidity last selected.
3. Repeat the steps to set the upper humidity setting and the lower temperature and humidity settings.
4. When finished, press HI/LO to set another limit or wait 16-seconds and the unit will automatically return to the normal display. The respective HI, LO or both indicators will light up to signify the status of the alarm.
If in another channel other than channel one is selected, when the alarm activates the display will switch to channel-1 and the display will flash. If left untouched, the alarm will activate for a 1-minute. Press any key to momentarily stop the alarm. The alarm will activate again if the limit continues exceeds the set limit.
C (-58°F) to +70°C
To disable an alarm:
1. Enter the setting mode by pressing HI/LO.
2. Then, press AL ON/OFF. The alarm has been disabled and will not sound at the previously set
limit.
To disable a sounding alarm:
• Press any button, the alarm sound will stop.
DISCONNECTED SIGNALS
If without obvious reasons the display for a particular channel goes blank, press IN/REMOTE to enforce an immediate search.
If that fails, check:
1. The remote unit of that channel is still in place.
2. The batteries of both the remote unit and main unit. Replace as necessary.
Note that when the temperature falls below freezing point, the batteries of outdoor units will freeze, lowering their voltage supply and the effective range.
Note: If a second limit is passed while an alarm is active, the first alarm will complete its 1-minute cycle and the alarm will continue to activate for a second minute to indicate that a second limit has been surpassed.
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3. The transmission is within range and path is clear of obstacles and interference. Shorten the distance when necessary.
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TRANSMISSION COLLISION
Signals from other household devices, such as door bells, home security systems and entry controls, may interfere with those of this product and cause temporarily reception failure. This is normal and does not affect the general performance of the product. The transmis­sion and reception of temperature readings will resume once the interference recedes.
HOW TO USE THE TABLE STAND OR
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WALL MOUNTING
The main unit has a retractable table stand, which when flipped open, can support the unit on a flat surface. Or you can flip close the stand and mount the unit on a wall using the recessed screw hole.
As for the remote unit, it comes with a wall-mount holder and a removable stand. Use either to hold the unit in place.
NOTE ON °C AND °F
The unit of temperature display is selected on the °C/°F slide switch. Select °C for Centigrade or °F for Fahrenheit.
Note that the remote temperature display on the main unit is dominated by the selection on the main unit. Whatever the display units of the remote sensors are, they will be automatically converted to the chosen one of the main unit.
°C/°
F slide switch of the
LOW BATTERY WARNING
When it is time to replace batteries, the respective low-battery indicator will show up when the respective channel is selected. The battery level of the main unit will be shown on the indoor tempera­ture when it is running low.
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Main unit Wall-mount Table Stand
Remote unit Wall-mount Table Stand
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THE RESET BUTTON
This button is only used when the unit is operating in an unfavorable way or malfunctioning. Use a blunt stylus to hold down the button. All settings will return to their default values.
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
Main unit
Display temperature range : -50.0°C to 70.0°C
(-58.0°F to 158.0°F)
Proposed operating range : - 5.0°C to 50.0°C
( 23.0°F to 122.0°F) Temperature resolution : 0.1°C to ( 0.2°F) Temperature compensation : -10.0°C to 60.0°C
(14.0°F to 140.0°F) Relative Humidity : 25% RH to 90% RH
Operating range
Remote thermo-hygro unit
Display temperature range : -50.0°C to 70.0°C
(-58.0°F to 158.0°F) Proposed operating range : -20.0°C to 60.0°C
( -4.0°F to 140.0°F) Temperature resolution : 0.1°C to ( 0.2°F) Temperature compensation : -10.0°C to 60.0°C
(14.0°F to 140.0° F) Relative Humidity : 25% RH to 90% RH
Operating range
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General
RF Transmission Frequency : 433 MHz No. of Remote unit : Maximum of 3 RF Transmission Range : Maximum 30 meters Temperature compensation : 0.1°C to ( 0.2°F) Temperature sensing cycle : around 40 seconds
Power
Main unit : 2 pcs UM-3 or “AA” 1.5V
alkaline battery
Remote sensing unit : 2 pcs UM-4 or “AAA” 1.5V
alkaline battery
Weight
Main unit : 164.5 gm Remote sensing unit : 63 gm
Dimensions
Main unit : 117 x 107 x 26 mm Remote sensing unit : 92 x 60 x 20 mm
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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 manufacturer and its suppliers held no
responsibility to you or any other person for any damage expenses, lost profits, or any other claim arise by using this product.
— The contents of this manual may not be reproduced
without the permission of the manufacturer.
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ABOUT OREGON SCIENTIFIC EC-DECLARATION OF CONFORMITY
Visit our website (www.oregonscientific.com) to learn more about Oregon Scientific products such as digital cameras; MP3 players; children's electronic learning products and games; projection clocks; health and fitness gear; weather stations; and digital and conference phones. The website also includes contact information for our customer care department in case you need to reach us, as well as frequently asked questions and customer downloads.
We hope you will find all the information you need on our website, however if you'd like to contact the Oregon Scientific Customer Care department directly, please visit:
www2.oregonscientific.com/service/support
This product contains the approved transmitter module that complies with the essential requirements of Article 3 of the R&TTE 1999 / 5 / EC Directive, if used as intended and the following standards have been applied:
Safety of information technology equipment
(Article 3.1.a of the R&TTE Directive) Applied Standard EN 60950-1: 2001
Electromagnetic compatibility
(Article 3.1.b of the R&TTE Directive)
OR
Call 949-608-2848 in the US.
For international enquiries, please visit: www2.oregonscientific.com/about/international/default.asp
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Applied Standards
ETSI EN 301 489-1-3 (Ver.1.4.1) : 2002-08
Efficient use of radio frequency spectrum
(Article 3.2 of the R&TTE Directive)
Applied Standards
ETSI EN 300 220-3 (Ver1.1.1) : 2000-09
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Additional information: The product herewith complies with the requirements of the Low
Voltage Directive 73 / 23 / EC, the EMC Directive 89 / 336 / EC and carries the CE marking accordingly.
Carmelo Cubito Agrate Brianza (MI) / Italy January 2004 Manufacturer’s EU R&TTE Representative
COUNTRIES RTTE APPROVAL COMPLIED
All EC countries, Switzerland
and Norway
EN
CH
N
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MULTI-CHANNEL IN-OUT CABLE FREE
THERMO-HYGROMETER
Model: EMR899HGN
User Manual
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©2004 Oregon Scientific. All rights reserved.
086-002233-103
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