Smell test explanation

A smell test assesses the ability of test subjects to perceive, distinguish, or identify odors. Most ENT practices or ENT departments from hospitals use the Burghart’s smell tests: ODOFIN Sniffin’ Sticks or the Sensonics scratch-and-smell booklets. The Sniffin’ Sticks se are pens filled with recognizable odors that allow you to test the sense of smell […]

Tedlar bag with pp fitting

Instruction and FAQ Tedlar bags

Would you like to use a Tedlar bag (or another type of gas bag such as Kynar, Multi Foil or Teflon) for taking air samples? There are various measuring methods, on this page we explain the simplest method using a Tedlar gas bag and an air sampling pump. In addition, we have collected the most [...]

Test protocol PTC/ PROP taste strips

The PTC and PROP taste strips can be used to determine whether someone can taste PTC or PROP. With these taste strips you can reliably identify tasters and non-tasters, the strips are ideal for research studies and for classroom demonstrations. The strips are made of paper and impregnated with the taste Phenylthiocarbamide PTC or PROP […]

Close up polypropylene fitting

Comparison sample bags

Below is a comparison of three different gas sample bags which we have availabe; the Tedlar bags, FEP (Teflon) bags and Multi Foil Bags. Besides these bags we can also deliver Kynar (PVDF) and Nalophan bags. If you want to receive a quotation or if you have any questions, please contact us.  Tedlar bags   FEP […]

Ishihara kleurentest

Ishihara test

The Ishihara test is a color blindness test for red-green color deficiencies. With this test you can find out if you suffer from color blindness. The Ishihara test is one of the most widely used color blindness tests worldwide. In our webshop you can find the original Ishihara tests that we always have available from […]


Using Tedlar Bags in CanSat Competition

Recently we have delivered our Tedlar Bags to Team Aiolos, a group of students participating in the German CanSat Competition 2021/22. In this competition, it is their goal to design and build an explorer the size of a beverage can, which gets launched up to 1000 m above ground by a rocket. While the explorer [...]

BAPO Conference Birmingham 23/24 Sept

The 2021 annual meeting of the BAPO (British Association for Paediatric Otolaryngology) will be held on 23/24 September in the Bramall Music Hall at Birmingham University. We are proud to announce that Sense Trading (MediSense) will also attend this conference with a small booth to show our smell and taste testing products. You are more […]