Salt spray corrosion test chamber data error causes

Salt spray corrosion test chamber is suitable for surface treatment of various materials, including coatings, electroplating, organic and inorganic skin films, anode treatment, anti-rust oil and other corrosion treatment to test the corrosion resistance
of its products.

According to the test operation provided by the customer, the following is a brief summary
.

1.
Error of the instrument itself: due to imperfection of design, manufacturing, verification, etc.
, as well as the aging
of components, wear of mechanical components, fatigue and other factors in the use of salt spray corrosion test chamber.

At the same time, various auxiliary equipment or accessories may cause errors
.

2, environmental error: due to the actual environmental conditions and the specified conditions of inconsistency caused by the error, any test is always carried out
in a certain environment.

The main environmental factors are temperature, supply voltage and electromagnetic interference
.

3.
Error of test method: error caused by imperfect operation method
.

The operation method refers to a set of theoretical applications and practical operations
involved in the implementation of the experiment in a general manner according to the inherent principles.

Errors caused by the theory on which the test is based are not rigorous, the operation is unreasonable, and the test results are calculated using approximate formulas or approximation values
.

4.
Personnel error: the error
caused by the subjective factors of the operator and the operation technology.

Personnel errors are mainly caused
by the staff's poor resolution ability, visual fatigue, slow detector speed, bad inherent habits and lack of responsibility.

5.
Specimen instability error: error caused by unstable changes in the specimen itself
.

The test takes a certain amount of time, if the sample is unstable and changes during the test time, then even if there is a salt spray test chamber with good performance, it is impossible to get the correct test results
.