Quartz tube level gauge routine inspection and troubleshooting methods, this method is suitable for magnetic flap level gauge, two-color quartz tube level gauge, glass tube level gauge and so on. 1, first check whether the power is connected, if found incorrect connection should be modified according to the operating manual. The float fell to the bottom and the flag was not zeroed The flag board cannot keep up with the speed at which the float ball descends. A throttling device should be added to slow down the liquid level. The flag color plate will not be flipped, or the color plate should be confused. Make sure that there are no magnetic bodies in the surrounding and internal parts of the body tube. After the clearance, use a magnet to sweep them once to make the colors uniform. The 360-degree flip float ball magnetic field is too strong, contact customer service personnel to replace the float.
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NOTE:
1. Please contact the corresponding product
engineer for specific torque products.
2. Max. rotation speed: 50r/min
3. Max. circle rate: Clockwise180 °, 180 ° anti-clockwise for 1
cycle
4. Operating temperature: -10~50℃
5. Storage temperature:-30~60℃
Applied torque:(T)
Test Temperature:23+/-5℃
Rotating speed:20r/min
Durability test Method:Clockwise 180 °, 180 ° anti-clockwise
Rotating speed:20r/min
Test Frequency:1cycle/min
Test Temperature:23±5℃
Durability test cycle:10000 cycle
Test result criteria: Store in the room temperature for 24 hours or more after the test, recording to the torque T=T±30%T.
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2. Use a three voltmeter to measure the voltage of +24V and O/PI Division. The voltage should be between 13V-36V. If the voltage is abnormal, you should check whether the line or related equipment is abnormal.
3. The second item should be confirmed after normal, and then in the 4-20MA loop string a milliamp meter, check the current is normal, if the current value is not normal should replace new products or contact customer service personnel.
4. Use a voltmeter to check the voltage between IN and COM. Normally it should be about 2.5V. If the voltage is too low, you should remove the EXC wire. If the voltage returns to normal, it indicates that the magnetic yellow module is abnormal, if the power is still low It means that the signal converter is damaged. If you find the above phenomenon, you should replace the signal converter or contact customer service personnel according to the actual situation.
The proximity switch does not operate. Check whether the switch operation is normal with the meter. When the magnet is close, the contact point should be turned on and the resistance should be less than 300M. After the magnet is removed, the switch should be open and the resistance should be more than 10MO. If it does not meet the above requirements, it should be replaced. New proximity switch. 
