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Rectal

Note:

 This is the most accurate method from a medical point of view, because it comes 

closest to the core body temperature. It is commonly used for young children when it is 
difficult to take an oral or underarm temperature. 

DO NOT

 attempt rectal measurements  

on persons with rectal disorders.

•  Lubricate with a water-soluble gel. 

DO NOT

 use petroleum jelly.

•  Gently insert the thermometric sensor no more than 2cm into the rectum.  

DO NOT

 force the product into the rectum. Stop insertion and abort the measurement 

when pain is present. 

Note:

 

The rectal method is the most accurate method for identifying the basal  

temperature and it is advised to extend the measuring time by 3 minutes after the  
beep (WDT101/WDT202) or 1 minute after the beep (WDT303).

Underarm

 (axillary)

Note: 

Wipe off any underarm perspiration and deodorant prior to taking a reading under  

the arm.  

•  Place the thermometric sensor in the centre of the armpit. It must be touching the skin, 

remove clothing if necessary.

•  Turn the screen so that it faces inwards.
•  Hold the product in place by slightly applying pressure inwards towards the body.
•  The product should be placed at an angle of 35-45 degrees in relation to the arm.
•  When using with infants or young children, it is advised to gently hold their arm in place 

while taking the measurement.

Placing the product in the armpit provides a measurement of surface temperature that can 
fluctuate by around 0.5°C to 1.5°C from rectal temperature readings in adults. 

Note:

 An exact reading cannot be obtained if, the armpits have been allowed to cool. If this 

is the case, we recommend extending the measuring time by around 5 minutes in order to 
obtain the most precise possible reading that corresponds as closely as possible to the core 
body temperature.

Maintenance

Cleaning

•  Always clean/disinfect the product before and after use to avoid cross contamination. 
•  Only clean with disinfectant (70% medical alcohol) using a damp cloth.
•  Rinse only the thermometric tip under slow running cold water and then dry with a clean 

soft cloth.

•  DO NOT

 use harsh chemical cleaning agents.

•  DO NOT

 immerse the product under water; rinse with hot water over 50°C; soak in 

alcohol for a long period of time; or use ultrasonic washing to clean the product as this 
can damage the electronics.

Storage 

•  Wipe away any dirt and dust from the product.
•  Store the product in it’s protective cover while not in use.

•  DO NOT

 store the product in the protective cover when it is damp. Wipe it off with a clean 

dry soft cloth first.

•  Store in a safe cool dry place, away from children as per Safety Warnings.

•  DO NOT

 place any heavy objects on the product.

Battery Replacement

Note: 

When removing the battery compartment cover, be aware that they rubber seal may 

fall off. This can be easily placed back on. 

DO NOT

 lose the rubber seal or screw as this will 

affect the water resistance and safety of the product. The screw is a self-tapping screw 
(1.4x2mm). Please contact us for a replacement if you lose the seal or screw.

•  When the low battery symbol is shown   

  or  

  on the bottom right of the 

screen, please replace the battery.

•  Using a small Phillips head screwdriver 

size #00 or #000 to remove the safety 
screw from the back of the battery 
compartment cover. 

•  Remove the battery compartment cover 

and battery carefully. 

Note: 

WDT101/WDT202 models: Gently pull out the inner frame no more than 15mm, just 

enough to expose the battery to avoid damaging the internal components.  
The battery may require a thin pointy object such as a paperclip to help remove it.

•  Dispose of the old battery according to current local regulations.
•  Only use batteries specified for the product.

Model

WDT101

WDT202

WDT303

Battery Type

LR41 (1.5V)

LR41 (1.5V)

CR1632 (3V)

•  Install the battery carefully with the polarity in the correct position with the po) 

polarity facing towards the screen as shown.

•  Replace the battery compartment cover (and rubber seal) and ensure the safety screw is 

tightly secured.

Troubleshooting

Problem

Possible Cause

Solution

L

 or 

Lo

 and a “flashing” 

°

C

 or °

F

This is normal.

The product is now ready 
for use.

H

°

C

/°F or 

Hi

°

F

The ambient temperature  
is above 42.9°C  

(WDT101/WDT202) 

or 

42.0°C 

(WDT303).

A measurement cannot be 
taken.  Allow the product to 
cool down or warm up for 
30 minutes in a room  
between 5 - 32°C.

A temperature is being 
displayed with the °

C

 or °

F

 

“flashing” prior to taking a 
measurement.

The ambient temperature 
is between 32°C and 
42°C (WDT303) or 42.9°C 
(WDT101/WDT202).

The 

L

 or 

Lo

 does not 

disappear off the screen 
when taking a measurement.

The ambient temperature is 
below 5°C.

The measurement numbers 
keep changing during 
measurement.

This is normal.

Please wait until the 
product has reached a 
constant temperature. It will 
beep to alert you when the 
reading is complete.

The product is beeping.

This is normal.

The product beeps once 
a constant temperature is 
reached to indicate that the 
measurement is complete.

The product is beeping 
quickly.

This is the fever alarm.

Consult with a doctor for 
the interpretation of results. 
Self-diagnosis may lead to 
the worsening of medical 
conditions.

The     or  

  symbol 

appears on the screen.

Low battery indicator.

Replace battery.

The unit automatically 
turns off.

This is normal.

The product will shut-off 
automatically if not turned 
off manually.

Start-up error.

Restart or reinstall the 
battery.

Wide difference in readings. The thermometric sensor is 

being placed at a different 
location for each reading.

When comparing readings, 
always ensure to place 
the product in the same 
measurement site each 
time according to the 

Methods of measuring 
temperature section.

The product is moved while 
the temperature is being 
taken.

Ensure the product is kept 
still.

The mouth is kept open 
while the measurement is in
progress.

Keep the mouth closed during 
the reading and breathe 
evenly through the nose.

The product won’t turn on.

The battery has run out of 
power.

Replace the battery.

The battery may be 
installed incorrectly.

Please insert the battery with 
the polarity in the correct 
direction as per the Battery 
Replacement section.

The backlight on the 
WDT303 turns off during 
measurement.

This is normal.

The backlight only shows 
on start-up and once a 
reading is obtained.

If the problem is not solved by the troubleshooting guide or you have any queries, 

please contact our service centre:
In Australia - 1800 807 464

In New Zealand - 0800 523 583
DO NOT 

attempt to open or repair the product yourself.

Note: 

The product is initially calibrated at the time of manufacture. If this product is used 

according to the instructions, re-calibration should not be required. However, if you feel that 
the product is out of specification, please contact us.

Technical Data

Model

WDT101

WDT202

WDT303

Power Type/Rating

Zinc Manganese Alkaline Button Battery 
(LR41 1.5V DC)

Lithium Manganese 
Button Battery 
(CR1632 3V DC)

Battery Life

Approx. 100 hours of continuous operation

Thermometer Type

Maximum (Oral, Rectal & Underarm). Sensing unit = Thermistor.

Measurement 
Range

32.0 - 42.9°C / 89.6 - 109.2°F

32.0 – 42.0°C / 
89.6 – 107.6°F

Measurement Scale 
Increments

0.1°C / 0.1°F

Measurement 
Accuracy

35.5 - 42.0°C / 95.9 - 107.6°F

= +/- 0.1°C / 0.2°F

32.0 - 35.5°C & 42.0 - 42.9°C / 89.6 - 
95.9°F & 107.6 - 109.2°F

= +/- 0.2°C / 0.4°F

35.5°C - 42.0°C / 
95.9°F - 107.6°F

= +/-0.1°C / 0.2°F

32.0°C - 35.5°C /  
89.6°F - 95.9°F

= +/-0.2°C / 0.4°F

Operating 
Conditions

    

Temperature: 5 - 32°C

 

Humidity: ≤80°C RH (non-condensing)

 

Atmospheric pressure: 700hPa to 1060hPa

Storage/Transport 
Conditions

    

Temperature: -25 - 55°C

 

Humidity: ≤95°C RH (non-condensing)

 

Atmospheric pressure: 700hPa to 1060hPa

Dimensions

143mm x 25mm x 15mm (out of packaging)

Weight

Approx. 19g (out of packaging)

IP Rating

IP22
The first digit indicates the level of protection that the enclosure 
provides against access to any hazardous parts and the ingress of 
solid foreign particles.
2 = protection against particles >12.5mm
The second digit indicates the level of protection that the enclosure 
provides against the harmful ingress of water.
2 = protection against dripping water when tilted up to 15°

Applied Part

 

Type BF Equipment  

 – Degree of protection against electric shock

Materials

ABS + TPE plastic, Stainless Steel, Silica Gel, LCD Screen, Nickel 
Plated Iron Safety Screw

Contents

Welcare Digital Thermometer, Protective Cover, Battery (installed in 
product), Instruction Manual

This device complies with the provisions of the EC directive 93/42/EEC (Medical Device 
Directive) and the European Standard EN124703:2000+A1:2009, Clinical thermometers  
- Part 3: Performance of compact electrical thermometers (nonpredictive and predictive)  
with maximum device. 

Important information regarding Electro Magnetic Compatibility (EMC)

Welcare Digital Thermometer manufactured by Hangzhou Hua’an Medical & Health 
Instruments Co., Ltd. conforms to EN60601- 1-2:2015 Electro Magnetic Compatibility  
(EMC) standard. 
Further documentation in accordance with this EMC standard is available at  
http://www.estore.jadavey.com.au

Disposal

At the end of its life, please treat this product and batteries as electronic  
waste and dispose of responsibly according to current local regulations.

v03/20

Warranty

PRODUCT WARRANTY

Please register your warranty information at:

AUS – www.jadavey.com.au

NZ – www.jadavey.co.nz

This Welcare Digital Thermometer product is warranted to be free of manufacturing defects 
for 1 year from the date of purchase*. This warranty is void if the product is modified, altered 
or subject to misuse or abuse, damaged in transit or lack of responsible care, is dropped, if 
damage occurs by reason of failure to follow the written instruction booklet enclosed, or if 
product repairs are carried out without authority from J.A. Davey Pty Ltd.
We will repair, or at our option replace free of charge, any parts necessary to correct 
material or workmanship, or replace the entire unit and return to you during the period of the 
warranty. Otherwise, we will quote for any repair which will be carried out on acceptance of 
our quotation. 
The benefits conferred by this warranty are in addition to all other rights and remedies in 
respect of the product, which the consumer has under the trade practices act and other state 
or territory laws in Australia and New Zealand.
Our goods come with guarantees that cannot be excluded under Australian and New Zealand 
Consumer Law. You are entitled to a replacement or refund for a major failure and for 
compensation for any other reasonably foreseeable loss or damage. You are also entitled 
to have the goods repaired or replaced if the goods fail to be of acceptable quality and the 
failure does not amount to a major failure.
*Please note the batteries are not covered under warranty.

BEFORE YOU SEND IN YOUR UNIT FOR SERVICE

Before sending in your unit for service, please take a few minutes to do the following:
In your instruction manual, read the troubleshooting section that describes common errors, 
their cause and remedies. Product instruction manuals can be downloaded online.
Contact Welcare Digital Thermometer customer service. Our staff are trained to assist you with 
most issues you may have experienced, without the need to send your product in for service.

PLEASE CALL OUR TOLL FREE NUMBER:

IN AUSTRALIA:  

IN NEW ZEALAND: 

Free call: 1800 807 464 

Free call: 0800 523 583

SENDING IN YOUR UNIT FOR SERVICE

1. 

Should repair be needed within the warranty period, enclose the tear off section of this 
warranty card and your proof of purchase receipt. Please ensure all relevant details are 
completed before sending your unit in for service. Please ensure your contact details 
are still current and include a brief description of the problem you are experiencing 
together with your purchase receipt.

2. 

Include the unit with all product components in your package. This is extremely 
important, so our repair technicians can make the correct diagnosis with any problems.

3. 

Please return the unit, warranty card or repair form at your cost to:

IN AUSTRALIA

J.A. Davey Pty Ltd 
Welcare Digital Thermometer Repairs
PO Box 84, Port Melbourne
Victoria, Australia 3207

Warranty Form

PLEASE RETAIN THE WARRANTY CARD AND RETURN THIS PORTION ONLY WHEN YOU 

RETURN YOUR PRODUCT FOR REPAIR UNDER WARRANTY.

NAME:

ADDRESS:

POSTCODE: 

    DAYTIME PHONE:

EMAIL:

MODEL: 

          

 

DATE OF PURCHASE:                 /             /

PLEASE ATTACH PROOF OF PURCHASE

RETAILER’S NAME:

RETAILER’S ADDRESS:

 

 

    POSTCODE:

BRIEF DESCRIPTION OF PROBLEM YOU ARE EXPERIENCING:

WARRANTY IS VOID UNLESS THE ABOVE INFORMATION IS COMPLETED AND CORRECT.

IN NEW ZEALAND

BV Medical 
Welcare Digital Thermometer Repairs
Unit 7, 110 Mays Road, Onehunga
Auckland, New Zealand 1061

Remove safety screw

Remove battery  

compartment cover

Battery  

compartment 

cover

Place tip in 

centre of 

armpit.

Raise arm

35˚– 45˚

Lower arm to 

hold product 

in place

Face screen 

inwards

Manufactured by:

HANGZHOU HUA’AN MEDICAL   

& HEALTH INSTRUMENTS CO., LTD.

Building 2, 1# Fuzhu Nan RD, Wuchang Town,   

Yuhang District, Hangzhou, Zhejiang 310023, China.

Summary of Contents for WDT101

Page 1: ...safety or have received and understand the instructions safety warnings for use of the product from this person in advance Safety Warnings KEEP BATTERIES OUT OF REACH OF CHILDREN Swallowing may lead to serious injury in as little as 2 hours or death due to chemical burns and potential perforation of the oesophagus If you suspect your child has swallowed or inserted a button battery immediately cal...

Page 2: ...Install the battery carefully with the polarity in the correct position DO NOT use batteries after their expiration date Periodically check the battery to ensure it is in good working condition Replace worn batteries with new ones immediately Dispose of the old batteries according to current local regulations Remove batteries carefully if the product is not going to be used for a long period of ti...

Page 3: ... into measurement mode Taking a Temperature Measurement Note The ambient temperature for use must be between 5 32 C This product is a maximum thermometer i e the displayed temperature can increase slightly if measurement continues after the beep Holding the product too long may cause a higher ambient temperature reading of the probe This could make the body temperature measurement lower than usual...

Page 4: ...mparable i e do not interchange between oral rectal or underarm measurements If taking multiple measurements within a short period of time allow the thermometer to return to room temperature prior to taking each measurement WDT101 WDT202 WDT303 Nunber of beeps when measurement complete 10 long beeps 10 long beeps 12 long beeps Fever alarm 37 8 C 100 F 10 sets of quick beeps 37 8 C 100 F 10 sets of...

Page 5: ...nd 5 minutes in order to obtain the most precise possible reading that corresponds as closely as possible to the core body temperature Maintenance Cleaning Always clean disinfect the product before and after use to avoid cross contamination Only clean with disinfectant 70 medical alcohol using a damp cloth Rinse only the thermometric tip under slow running cold water and then dry with a clean soft...

Page 6: ...ease wait until the product has reached a constant temperature It will beep to alert you when the reading is complete The product is beeping This is normal The product beeps once a constant temperature is reached to indicate that the measurement is complete The product is beeping quickly This is the fever alarm Consult with a doctor for the interpretation of results Self diagnosis may lead to the ...

Page 7: ...ing IP22 The first digit indicates the level of protection that the enclosure provides against access to any hazardous parts and the ingress of solid foreign particles 2 protection against particles 12 5mm The second digit indicates the level of protection that the enclosure provides against the harmful ingress of water 2 protection against dripping water when tilted up to 15 Applied Part Type BF ...

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