1. Description

The TX110-A household gas module uses thick film semiconductor sensors and has the basic functions of a household gas leak alarm: it provides status indication, buzzer, relay, and solenoid valve output switching signals, and supports resetting the alarm value.

2. Appearance and dimension

3. Technical specifications

4.Module working status description

Preheating status: The power-on indicator light flashes slowly, and the indicator light is always off after the 3-minute preheating status ends;

Fault status: When the sensor fails, the green indicator light is on for 75ms and off for 175ms;

Alarm status: When the surrounding gas concentration reaches the alarm setting value of the module, the green indicator light is on for 25ms and off for 75ms.

5.Precautions

1. Situations that must be avoided

1.1 Exposure to volatile silicon compound vapor

The module should avoid exposure to silicone adhesives, hair spray, silicone rubber, putty or other places where volatile silicon compounds exist. Otherwise, the sensitivity of the module will be reduced or even unresponsive.

1.2 Highly corrosive environment

The module is exposed to high concentrations of corrosive gases (such as H2S, SOX, Cl2, HCl, etc.), which will cause corrosion or damage to the sensor heating material and sensor leads in the module, and will cause irreversible deterioration of the performance of sensitive materials, thereby affecting the performance and accuracy of the module.

1.3 Contact with water

If the sensor in the module is splashed with water or immersed in water, the sensor sensitivity will decrease, which will affect the measurement accuracy of the module.

1.4 Ice

Ice on the surface of the sensitive material of the module's sensor will cause the sensitive layer to break and lose its sensitive characteristics.

2. Situations to avoid as much as possible

2.1 Condensation

Under indoor conditions, slight condensation will have a slight effect on the performance of the sensor in the module. However, if water condenses on the surface of the sensitive layer and remains for a period of time, the sensor characteristics in the module will decrease and the measurement error of the module will increase.

2.2 In high-concentration gas

Regardless of whether the module is powered on or not, long-term placement in high-concentration gas will affect the sensor characteristics in the module. For example, if the sensor in the module is directly sprayed with lighter gas, it will cause great damage to the sensor in the module and cause the sensitivity of the module to decrease.

2.3 Long-term storage

When the module is stored for a long time without power, the resistance of its sensor will have a reversible drift, which is related to the storage environment. The module should be stored in a sealed bag that does not contain volatile silicon compounds. Modules that have been stored for a long time need to be powered on for a longer time before use to stabilize. The storage time and corresponding aging time are recommended as follows:

2.4 Long-term exposure to extreme environments

Regardless of whether the module is powered on or not, long-term exposure to extreme conditions such as high humidity, high temperature or high pollution will seriously affect the performance of the module.

3. The module has been treated with three anti-corrosion treatments. Before installing the module, make sure that the three anti-corrosion paint on the control motherboard is completely dry.

4. If you need to reset the alarm value of the module, please contact our business personnel.