Measurement parameters for ensuring that food products are good and safe

Temperature is an essential measurement parameter in the food sector. At every stage of a food product, from harvest to plate, reliable monitoring of the temperature and compliance with temperature limits are crucial.
Non-contact measurement with IR thermometers from Testo
  • Depending on requirements, the core, surface or ambient temperatures are measured
  • Spot check measurements with hand-held measuring instruments
  • Continuous temperature monitoring with data loggers
  • A variety of sensor types, probe designs and infrared thermometers for any measuring task

Temperature and food

What role does temperature play?


Temperature monitoring Testo data loggers
  • Cooling slows down the growth of germs, especially at values below 8 °C
  • Heating above 80 °C for several minutes kills germs and bacteria


  • Compliance with the HACCP concept
  • Compliance with temperature limits for incoming goods, storage and food service

Limit value violations

pH measurement of meat
  • Rapid multiplication of germs, especially in the range 20 - 37 °C
  • Spoiling of food
  • Health risks, for example, from food poisoning

Measurement methods

침투용 온도계

반고체 및 고체 물질의 중심 온도 및 침투 측정용.

적외선 탐침 온도계

침투용 온도계
표면 및 심부 온도 측정 가능. 물품 입고 작업에 이상적.

프로브 연결이 가능한 온도계

침투용 온도계
중심 온도뿐만 아니라 표면 또는 대기 온도도 측정할 경우.

침투용 프로브

식품용 온도계
다양한 모델이 제공되며, 특수 제작도 가능합니다

Further information

TPM ("Total Polar Materials") are degradation products that are produced when deep-frying in oil. The TPM value is a reliable indicator of the quality of the cooking oil. Regular measurement is essential for the fried food to be safe and to taste good.
testo 270 cooking oil tester
  • Cooking oil with a high TPM value usually also has an elevated acrylamide content
  • Acrylamide is produced mainly during baking, frying or deep-frying of starchy products due to the so-called Maillard reaction, and is considered carcinogenic
  • Capacitive measurement for fast and reliable checking of the quality of the cooking oil

TPM and food

What role does TPM play?


testo 270 cooking oil tester
  • Optimum frying range between 14% and 20% TPM
  • Particularly good taste and golden brown colour

Changing the cooking oil

Frying fat measuring instrument
  • Determine the right time to change the oil
  • Save costs by reducing the consumption of cooking oil


  • Regulations for reducing acrylamide levels in food
  • Compliance with the HACCP concept

Limit value violations

Cooking oil tester
  • Deterioration in the quality of the fried food, e.g. black crust, infiltration of fat
  • Health complaints such as abdominal pain, digestive disorders

Measurement methods

식용유 산패 측정기 testo 270

testo 270 식용유 산패 측정기
식용유의 산패 정도를 빠르고 정확하게 확인할 수 있는 식용유 산패 측정기 testo 270


정확한 측정값을 위한 맞춤형 액세서리를 만나보세요!

The pH value of food has a direct impact on the growth of microorganisms and therefore on food quality and safety. In the production of meat, sausage, delicatessen and dairy products, the pH value plays an important role because it influences product characteristics (e.g. taste, colour, shelf life).
pH measurement
  • The pH value is a measure of the strength of the acidic or alkaline/basic effect of a substance
  • The pH value scale ranges from 0 (extremely acidic) to 14 (extremely alkaline/basic), while a pH value of 7 is considered neutral
  • More efficient measurements, since temperature and pH value can be checked simultaneously with one instrument
  • Variety of probes for high-precision measurements in semi-solid, viscoplastic and liquid media

pH and food

What role does pH play?

Germ growth

pH measurement in the food industry
  • A natural acid or base content inhibits germ growth
  • Rapid multiplication of bacteria and microorganisms at a neutral pH value of 6.6 to 7.5
  • An inappropriate storage temperature also promotes germ growth


  • Compliance with the HACCP concept

Deviating pH values

ph meter
  • A constant pH value ensures the consistent quality of food
  • Deviations have an effect on taste, shelf life and consistency

Measurement methods

프로브가 장착된 pH 측정기

Testo pH meters
pH 와 온도를 동시에 측정할 수 있습니다.

프로브를 연결할 수 있는 pH 측정기

Determining pH
외장 프로브를 연결하여 유연하게 적용할 수 있습니다.


pH measurement
pH 교정시액부터 pH 테스트 종이까지 pH 측정에 도움이 되는 모든 액세서리를 제공합니다.
Atmospheric air always contains a certain quantity of water vapour. This content deviates with time and its location and is called air humidity (humidity). Excessive relative humidity promotes mould growth and impairs the shelf life of foods.
Testo humidity measurement
  • Relative humidity is particularly relevant to the long-term storage of dry products
  • Continuous monitoring via data loggers or thermohygrometers

Humidity and food

What role does humidity play?


Automatic monitoring by wireless LAN with testo Saveris 2
  • Creation of ideal ambient conditions through continuous indoor climate monitoring
  • Storage of dry food in dry, cool, well-ventilated rooms


  • Compliance with the HACCP concept

Deviating moisture content

Humidity monitoring with Testo data loggers
  • Condensation and moisture absorption of dry products, especially after severe fluctuations in temperature 
  • A moisture content that is too high promotes mould growth and reduces shelf life

Measurement methods


대기 습도 측정기

노점(이슬점) 및 습구 온도를 계산합니다.

Further information

Do you have any questions?