mine also won't shake down, has there been a faulty batch?

The problem is that this thermometer is filled with gallium, not with mercury. So when it gets cold it's not very liquid so you have to shake it down just the moment after you can see the temperature and it's still warm (around 37º C or so). It's not a faulty batch, it's just physics... ;)

Is this for the armpit or oral thermometer?

The Classic thermometer by Geratherm is for oral, rectal or axillar use.

what size is this thermometer? 1.4 centimeters cannot be right.

size of this thermometer is 12.5cmx1.3cmx1.3cm

Can soneone please advise how to reset the thermometer? I have shaken it super hard but the line wont budge lower than 37. Is there a special tool? Ty

Well , it's not a shake ... More a flick and a shake.. the sort of action only used on thermometers. If you can't do it then maybe put the thermometer in cold water for a minute or two. I'm sure if you watch a hospital programme on TV you will see the 'thermometer flick' in action.

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Classic Thermometer

Product ID: 48309911

Details

Age range (description)
All ages
Brand
Geratherm
Colour
White
Display type
Analog
Included components
Storage Case
Outer material
Glass

⚡No batteries needed

💧Waterproof & hygienic

🇩🇪Made in Germany precision

113025Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌡️ Classic precision meets modern peace of mind.

READY WHEN YOU ARE - Includes protective case and reset tool for quick, hassle-free temperature checks.
PRECISION YOU CAN TRUST - Clinically accurate to ±0.1°C for reliable fever detection every time.
ECO FRIENDLY EFFORTLESS - No batteries required—powered by a safe, liquid metal alloy for sustainable use.
HYPOALLERGENIC HYGIENIC - Waterproof glass design, nickel & PVC-free, perfect for sensitive skin and allergy sufferers.
VERSATILE MEASUREMENT MODES - Safe for oral, axillary, and rectal use—one thermometer for the whole family.

The Geratherm Classic Thermometer is a German-engineered, mercury-free analogue device featuring a liquid metal alloy for accurate temperature readings within ±0.1°C. Waterproof and hypoallergenic, it’s designed for oral, axillary, and rectal use, making it ideal for all ages. Battery-free and reusable, it comes with a protective case and reset tool, ensuring hygienic, reliable fever monitoring anytime.

Specifications

ASIN	B000QGJS8I
Age Range Description	All ages
Best Sellers Rank	6,387 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 3 in Rectal, Oral & Axillar Thermometers
Brand	Geratherm
Colour	White
Country Of Origin	Germany
Customer Reviews	4.1 4.1 out of 5 stars (3,810)
Display Type	Analog
Global Trade Identification Number	04018674454131
Included Components	Storage Case
Indoor Outdoor Usage	Indoor
Inner Material	Gallium, Indium and Tin Alloy
Item Length	1.4 Centimetres
Item Weight	0.01 Ounces
Lower Temperature Rating	35.5 Degrees Celsius
Manufacturer	Geratherm Medical AG
Manufacturer Part Number	classic
Model Name	Classic
Model Number	classic
Outer Material	Glass
Power Source	Battery Powered
Product Care Instructions	Clean or disinfect before and after each use and reset the measuring liquid if necessary.
Resolution	PT is: THERMOMETER.
Response Time	240 seconds
Reusability	Rechargeable
Special Features	Waterproof
Specification Met	ISO 9001
Style Name	Classic
Unit Count	1.0 count
Upper Temperature Rating	42 Degrees Celsius

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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