In the process of using the hydrogen detector, the hydrogen detector sometimes has a phenomenon of zero drift. The zero drift refers to the phenomenon that the static working point of the hydrogen detector changes due to the influence of various factors in the absence of hydrogen input, resulting in the floating of the output terminal voltage. The emergence of zero drift will lead to inaccurate measurement results of the hydrogen detector, affect the judgment of hydrogen concentration, and even pose a threat to personnel safety and production safety in severe cases. Do you know what causes the zero drift of hydrogen detector ? The following is a brief introduction by yiyuntian electronics:

possible causes of zero drift of hydrogen detector:

1. External environmental factors:

such as temperature, humidity, air pressure, electronic interference, etc.Among them, temperature is an important factor that affects the zero drift of the hydrogen detector, because the transistor and other components are sensitive to temperature, and temperature changes will cause its performance parameters to change.

2. Component aging:

With the increase of use time, the performance of sensors and other components will gradually decline, resulting in zero drift of hydrogen detector.

3. Improper operation:

The staff must proofread every time they use the hydrogen detector. During the proofreading process, they are easily affected by some unstable factors, which will cause zero drift.

Solution to zero drift of hydrogen detector:

1. Temperature compensation:

The thermal element is used to offset the changes in the amplifier tube. If the hydrogen detector parameters are properly matched, the zero drift can be suppressed within a lower limit.

2. Regular calibration:

Regularly calibrate the hydrogen detector to ensure that its output is zero when there is no hydrogen input.

3. Replace components:

When the sensor and other components of the hydrogen detector aging cause zero drift, new components should be replaced in time.

4. Standard operation:

When using the hydrogen detector, it should strictly follow the operating procedures to avoid zero drift caused by improper operation.

In summary, it is the possible cause of the zero drift of the hydrogen detector and the corresponding solution. After understanding the reasons, we can take corresponding measures to greatly reduce the influence of zero drift on the detection results, so as to better ensure the accuracy and reliability of the hydrogen detector.