3、 Main technical indicators of monochrome quartz tube water level gauge:
1. Measurement range (installation center distance): 300, 350, 440, 500 ······· 2000mm
2. Visual height: 100, 150, 240, 300 ········ 1800mm
3. Working pressure of the tested medium: 1.6, 2.5, 4.0, 6.4 MPa
4. Working temperature: -10 ℃~+450 ℃
5. Heat tracing steam pressure: ≤ 0.6MPa
6. Steam jacket size: G1/2 "external thread
7. Observation distance: 15M (natural light) 50M (with lighting)
8. Lighting: 36VAC 6W
9. Interface flange: Adopting the latest HG20592~20635-97 flange standard issued by the Ministry of Chemical Industry in 1997. The flange diameter is DN20, DN25. If the user needs to use other standards (such as GB, ANSI, DIN, etc.), it can be designed according to the user's needs.

4、 Instructions for use:
1. When using a monochrome quartz tube water level gauge, the valve should be slowly opened for liquid inlet first, and then the special glass tube should be preheated for 20-30 minutes. After reaching a certain temperature, the valves at both ends can be fully opened for water inlet or other media.
2. During use, it is required to regularly discharge pollutants to avoid blockage of channels due to erosion and false water levels.
3. When the quartz tube is accidentally damaged, using the upper and lower handles of the instrument to turn the plugs of the upper and lower plugs 90 degrees can prevent the medium in the container from continuing to flow out. At this time, the damaged parts can be replaced.

5、 Transportation, storage, installation, use, and maintenance:
1. The packaged monochrome quartz tube water level gauge can be transported by conventional transportation vehicles, but should avoid severe vibration and direct erosion by rain and snow.
2. The monochrome quartz tube water level gauge should be placed in a dry and ventilated room with a temperature of 0-40 ℃ and a relative humidity of no more than 80%. The outdoor air should not contain any corrosive medium to the instrument.
3. The monochrome quartz tube water level gauge must be installed vertically, with a vertical deviation of less than 3 °.
4. A shut-off valve should be installed between the monochrome quartz tube water level gauge and the container to isolate it from the medium during cleaning and maintenance.
5. According to the condition of the medium, the main body tube should be cleaned regularly to remove debris inside the tube.

6、 Ordering Notice:
● Model specifications ● Measurement range (center distance L) ● Working pressure ● Working temperature ● Material requirements ● Flange standards