How to Avoid Heating and Humidifying Pipes Appearing a Dry Burn Alarm in High and Low Temperature Alternating Humidity Tester

High-low temperature alternating damp heat tester How to avoid the heating and humidification tube appear dry alarm Product Description: The equipment has been widely used in electrical and electronic, automotive motorcycles, rubber, plastics, metals, universities, research institutes and other related products, parts and materials In the case of high, low temperature, and heat and humidity changes, check its performance indicators. 1. When the OH1 (heated tube dry burn) alarm occurs in the high and low temperature alternating humidity tester, it may be caused by the following reasons:

1. The rotor of the machine is not in operation, causing the heat of the heating pipe to escape;

2. Open the side cover of the control box to check whether the setting value of the gas switch is correct, normally higher than the maximum temperature of the machine by 50 to 80 degrees;

3, over-temperature insulation probe too close to the heating pipe, the need to adjust the distance;

4, over-temperature protector itself is damaged;

Second, when the OH2 (humidification tube dry burning) alarm occurs in the high-low temperature alternating humidity tester, it may be caused by the following reasons:

1. The water level of the humidifying water tray is not completely immersed in the humidifying tube (the normal standard is about 5 mm for the water immersed humidifying tube). It may be that the machine is not placed horizontally, causing partial exposure of the water surface. The feet of the machine must be adjusted to measure with a horizontal ruler. Make the machine fully level;

2. The float switch that monitors the water level in the water level box is damaged. When the water level is not enough, the float switch is still closed, causing the humidification tube to dry.

3. The pressure in the chamber is too high, and a pressure difference between the inside and the outside causes the water in the inner box to flow outward. The water level in the water level box is normal, but the water level in the tank is low. The key is to check whether the pressure balance port is blocked and whether there is a product in the water pipe. Water blocked the smooth flow of the balance mouth;

4, over-temperature protector itself is damaged;

For high and low temperature alternating damp heat tester, if the heating tube and humidification tube dry burning faults occur, according to the above troubleshooting phenomenon, the rain manufacturers should be promptly contacted by the after-sale maintenance department, or dealt with properly under the guidance of the technician, or the manufacturer arranges the door-to-door treatment of the maintenance personnel. .

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