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How To Calibrate Your Thermometer: 

The thermometer is initially calibrated at the time of 
manufacturing. If the thermometer is used according 
to the manual, periodic readjustment is not required. 
However,  we  recommend  conducting  a  quick 
calibration  to  confirm  that  your  unit  didn't  get 
damaged during shipment. A quick way to calibrate 
your unit is by doing the water test. Dip the tip of the 
thermometer into a cup of hot water. Wait for your 
thermometer  to  show  'Hi'  or  a  high  temperature 
reading  number  on  its  LCD  display  (for  example  it 
shows 38 °C or 100 °F). Then let it sit for a minute or 
two then dip it into a cup of cold water. Your display 
should show 'Lo' (meaning low temperature not low 
battery) or a low temperature reading number this 
time (for example it shows 33 °C or 91°F). Leave it at 
room  temperature  for  30  minutes  and  try  using  it 
again, and if it does not show ‘Hi’ or ‘Lo’  it will mean 
you  have  successfully  checked  your  thermometer 
and good to go! If you find that your reading is very 
low  and/or  not  changing  on  the  LCD  display  at  all, 
please get in touch with us through email with your 
Amazon Order ID. 
 

o

F/

o

C SWITCHABLE 

Temperature  readings  are  available  in  the 
Fahrenheit  or  Celsius  scale  (

o

F/

o

C;  located  in  the 

upper right corner of LCD). With the unit off, press 
and hold On/Off Button for approximately 2 seconds 
to change the current setting. 
 

Summary of Contents for Happy Care

Page 1: ...ghly accurate reading of an individual s body temperature The digital thermometer is intended to measure the human body s temperature in regular mode orally rectally or under the arm and the device is reusable for clinical or home use on people of all ages To better understand its functions and to provide years of dependable results please read all instructions first ...

Page 2: ...by position shown in Figure 2 Close your mouth and breathe evenly through the nose to prevent the measurement from being influenced by inhaled exhaled air Normal temperature between 96 3o F and 99 1o F 35 7o C and 37 3o C b Rectal Use Lubricate silver probe tip with petroleum jelly for easy insertion Gently insert sensor approximately 1 cm less than into rectum Normal temperature between 97 2o F a...

Page 3: ...asurement time until the signal tone beep must be maintained without exception The measurement continues even after the buzzing notification So that in order to achieve better body temperature measurement result recommend to keep the probe in mouth and rectum about 2 minutes or in armpit about 5 minutes regardless of the beep sound and at least 30 seconds measurement interval should be maintained ...

Page 4: ... Cover may result in a 0 2oF 0 1oC discrepancy from actual temperature Remove battery from the device when not in operation for a long time The use of temperature readings for self diagnosis is dangerous Consult your doctor for the interpretations of the results Self diagnosis may lead to the worsening of the existing disease conditions Do not attempt to get measurements when the thermometer is we...

Page 5: ...lly For children who are two years old or younger please do not use the devices orally if the unit has been stored at temperatures over 41 104 5 40 leave it in 41 104 5 40 ambient temperature for about 15 minutes before using it CLEANING DISINFECTION Wipe the thermometer with a soft clean cloth For stubborn stains wipe the thermometer with a cloth that has been dampened in water or in neutral dete...

Page 6: ...han 90 0 F 32 0 C Warm the tip of the thermometer and it should show you a reading if the temperature is above 900 F 320 C Hi Temperature taken is higher than 109 9 F 42 9 C Turn off wait one minute and take a new temperature via close contact and sufficient rest Err The system is not functioning properly Remove the battery wait for 1 minute then put it back If it still shows error please send us ...

Page 7: ... minute or two then dip it into a cup of cold water Your display should show Lo meaning low temperature not low battery or a low temperature reading number this time for example it shows 33 C or 91 F Leave it at room temperature for 30 minutes and try using it again and if it does not show Hi or Lo it will mean you have successfully checked your thermometer and good to go If you find that your rea...

Page 8: ...c circuit board with battery chamber approximately 1 cm slightly less than See Figure 4 4 Use pointed object such as a pen to remove old battery Discard battery lawfully Replace with new 1 5 V DC button type LR41 or SR41 UCC392 or equivalent Be sure battery is installed with polarity facing up See Figure 5 5 Slide battery chamber back into place and attach cover ...

Page 9: ... F 131o F 20 o C 55o C SPECIFICATION Type Digital Thermometer Not Predictive Measure range 90 0o F 109 9o F 32 0o C 42 9 o C o C o F chosen by manufacturer Accuracy 0 2o F 0 1o C during 95 9o F 107 6o F 35 5o C 42 0o C at 64 4o F 82 4o F 18o C 28o C ambient operating range 0 4o F 0 2o C for other measuring and ambient operating range Operating mode Direct Mode ...

Page 10: ... with 3 measurements per day Dimension 13 9 cm x 2 2 cm x 1 2 cm L x W x H Weight Approx 12 grams including battery Expected service life Three years Ambient operating range Temperature 41o F 104o F 5o C 40o C Relative humidity 15 95 RH Atmospheric Pressure 700hPa 1060hPa Storage and transportation condition Temperature 4o F 131o F 20o C 55o C Relative humidity 15 95 RH Atmospheric Pressure 700hPa...

Page 11: ...Ingress Protection Rating IP 27 Classification Type BF All rights reserved Happy Care by Enji info enji prime com www enji prime com ...

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