Can the Vickers HV hardness tester work normally in low temperature environments?
The working status of the Vickers hardness tester HV in low-temperature environments will be affected to a certain extent; whether it can work normally depends on the specific value of the ambient temperature and the performance of the instrument.
Generally speaking, the suitable working temperature for a Vickers hardness tester is 10-35°C. When the ambient temperature is lower than 10°C, the mechanical parts of the instrument may experience sticking or poor lubrication due to the low temperature, affecting the application accuracy and stability of the test force. The optical system may generate fog at low temperatures, leading to unclear observation of the indentation through the reading microscope and affecting measurement accuracy. In addition, low temperatures may cause the specimen to undergo cold contraction, changing its mechanical properties and subsequently affecting the hardness measurement results.
If it must be used in a low-temperature environment, thermal insulation measures should be taken, such as equipping the instrument with a constant temperature device to ensure the working environment temperature is within the appropriate range. At the same time, the instrument should be preheated in advance and maintained regularly to reduce the impact of low temperatures on the instrument.
Kunshan Fuze Testing Equipment Co., Ltd. can provide solutions for instrument use in low-temperature environments. The FV810 / FV310 and other Vickers hardness testers from Taiwan Zhongze Company have a certain degree of environmental adaptability; please call for details.