Electronic Thermo-Hygrometer
Contents
1. Electronic Thermo Hygrometer MODEL EM913R USER S MANUAL INTRODUCTION Thank you for purchasing the Oregon Scientific thermo hygrometer This thermo hygrometer has been designed specificially with performance and ease of use in mind As with all Oregon Scientific products this thermo hygrometer 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 thermo hygrometer FEATURES Electronic Thermo Hygrometer with large size display Display shows indoor or outdoor temperature and indoor relative humidity simultaneously Comfort indicators to show indoor condition on both temperature and humidity factors Memory function to recall and display the previous maximums and minimums reading of temperatures and relative humidity Temperature compensation feature assures accurate relative humidity measurement without affecting by temperature change Detachable external sensor probe User selectable C or F temperature units of measure Wall mounting and table standing feature DESCRIPTION OF PARTS LCD DISPLAY MAX MIN FRONT VIEW IN OUT MEMORY CLEAR HANGER C F SWITCH OUTDOOR TEMPERATURE SENSOR PROBE WIRE a4 STAND ATTACHMENT DOOR DETACHABLE EXTE2. OW TO RECALL CLEAR THE STORED TEMPERATURE AND HUMIDITY MEMORIES The Thermo Hygrometer will automatically record the maximum minimum temperature and relative humidity reading You can recall clear those reading as follows Maximum Button to press Displays Current temperature humidity 23 C 68 Recall the maximum temperature humidity Press MAX button once 28 C 78 MAX MAX MAX indicator maximumtemperature and humidity displayed In case clear the maximum temperature humidity Press MEMORY CLEAR button once MAX 23 C MAX 68 display update as the current temperature and humidity reading Return to current temperature humidity Press MAX button once again while at maximum temperature and humidity display 23 C 68 MAX indicator disappear fae o Minimum Button to press Displays HOW TO READ THE RELATIVE HUMIDITY AND COMFORT INDICATORS Current 23 C temperature 68 The unit shows the indoor relative humidity and such reading is humidity temperature compensated At the same time the comfort indicators COMFORT WET or DAY will tell you if the current indoor Recall the Press MIN MIN 18 C environment is comfortable too wet or too dry The comfort indicators will appear on the display when the following conditions minimum button once MIN 58 are satisfied temperature MIN indi
3. RNAL BALIERY SENSOR PLUG BACK VIEW GB GB INSTALLING AND REPLACING OF BATTERY The Thermo Hygrometer uses one piece UM 4 or AAA size battery 1 5V DC 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 Notes After you install or replace the battery it takes time for sampling once again both he temperature and humidity data The display will show full segment for 1 to 2 seconds then shows the updated tempera ture and humidity reading Display and Functions INDOOR OR INDOOR OR OUTDOOR OUTDOOR TEMPERATURE TEMPERATURE INDICATOR READING la al COMFORT my amy INDOOR Shona RELATIVE INDICATOR HUMIDI Y READING GENERAL OPERATION This Thermo Hygrometer will measure display indoor temperature the air temperature measured by the sensor built inside the unit or outdoor temperature the air temperature measured by the detachable external sensor probe and indoor relative humidity the relative humidity measured by the sensor built inside the unit It can be set to display the indoor outdoor maximum or minimum temperature and indoor relative humidity recorded Note When the outdoor temperature is over the measuring range flashing digit 50 C 58 F appears on the dis
4. cator humidity minimum temperature and humidity displayed Indicator Temperature Humidity Shows that the Displays Range Range Current indoor ontheunit indoor Environment Incase clear Press MEMORY MIN 23 C the minimum CLEAR button MIN 68 temperature once display update as the humidity current temperature and humidity COMFORT 20 C to 25 C 40 RH to Idea range for 68 F to 77 F 70 RH both relative humidity and temperature Over Contain excess Return to Press MIN 23 C f Full Range 70 RH moisture current button once again 68 temperature while at minimum MIN indicator humidity temperature and disappear humidity display Below Contain 40 RH inadequate moisture No Indicator Below 20 C 40 RH to No comment You may like to clear the memory occasionally so to record the 68 F or 70 RH maximum minimum at a specified period Higher than 25 C 77 F HOW TO SELECT THE TEMPERATURE UNITS OF MEASURE MOUNTING THE OUTDOOR TEMPERATURE SENSOR PROBE The switch on the back of the Thermo Hygrometer allows you to select between degrees Celsius and Fahrenheit Set the switch to C for selecting Celsius and to F for selecting Fahrenheit C POSITION OF POSITION a 74 F oat T y at te READING IN C READING IN F LOW BATTERY SIGNAL INDICATION If the vo
5. d 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 C to 50 C 32 F to 122 F Temperature measuring range unit 20 C to 50 C 32 F to 122 F probe 50 C to 70 C 58 F to 158 F Temperature resolution unit probe 1 C 2 F Humidity measuring range 25 to 95 RH at 25 C 77 C Resolution of humidity 1 RH Sensor wire length 3 meter Dimension 2117 x 107 x 20 5 mm HxWxD Weight 174 g Without battery CUSTOMER ASSISTANCE Should you require as
6. ltage of the battery becomes low the BATT indicator will be display at the top right corner of the display Replace the battery when the BATT indicator is displayed HOW TO REST THE UNIT If you Thermo Hygrometer doesn t operate properly take out the battery from the unit for 4 to 5 seconds then reinstall the battery You can mount the outdoor temperature sensor probe by following steps 1 Drive a screw into the wall at the location you choose for the sensor probe to fix the wire attachment to the wall 2 Route the sensor probe cable through a window 3 Locate sensor probe into wire attachment INDOOR OUTDOOR OUTDOOR SENSOR PROBE WIRE ATTACHMENT SCREW Note Locate the sensor probe away from direct sunlight and heavy precipitation GB GB FREE STAND AND WALL MOUNTING Table Stanting Flip out the plastic stand on the rear of the Thermo Hygrometer for table standing Stand the Thermo Hygrometer on a flat surface Wall Mount Follow these steps to mount the Thermo Hygrometer on a wall 1 Drive a screw into the wall at the location you choose until the head extends 3 5 mm from the wall 2 Locate into the hanger slot on the back of the Thermo Hygrometer until it locks into place Notes For accurate measurement you should mount the Thermo Hygrometer in an area where air can flow freely around it MAINTENANCE When handle
7. play below 50 C 58 F or 70 C 158 F appears on the display above 70 C 158 F When the indoor temperature is over the operating range fades out on the display below 0 C 32 F or blacks out on the display above 50 C 122 F This Thermo Hygrometer will continue to record the indoor outdoor maximum indoor outdoor minimum temperature and humidity changes whether displaying current maximum or minimum temperature readings HOW TO SELECT THE INDOOR OR OUTDOOR TEMPERATURE DISPLAY The unit can display the indoor temperature or outdoor temperature reading For changing display between indoor and outdoor by pressing the IN OUT button to update the temperature display Note The IN indicator will be displayed whenever the temperature display relates to indoor temperature and the OUT indicator will be displayed whenever the temperature display relates to outdoor temperature MoT TOUT aN Wa 1 Remove the protecting cap from the sensing port 2 Plug the external probe into the sensor jack and push the IN OUT button to toggle to the outdoor display The OUT indicator appears from outdoor to indoor Push the IN OUT button once to toggle the reading to the indoor display The IN indicator is displayed It s up to end user s desire to remove or keep the external sensor probe to the main unit H
8. sistance regarding this product and its operation please contact our customer care department at 541 868 8205 or via email at helpme oscientific com WARRANTY This product is warranted to be free of manufacturing defects for a period of 1 year 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 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 086 001577 GB
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