Color quartz glass tube liquid level instrument

  GZS-A (Z) Color quartz glass tube liquid level indicator is the upgrade of the old general glass tube(sheet)type and widely used to measure water level in the various transparent storage pot or boiler in lines of petroleum, chemical, industries, electricity, metallurgy, papermaking etc. and specially used measuring two mix medium(oil water, liquefied gas mixed water) .GZS type double color liquid level meters made to the standard of GB9658-88,HG/T2483-93, full using of principles of optics with delicate design.  The indicating color of the measuring tube of which Green for water and red for non-water changes along with liquid location continuously and automatically. As a result that facilitate customer greatly. Furthermore liquid level meters with back lights whose supplying is 24VD.A can be viewed clearly on circumstances of lightless and long service time(3-5years), safe and reliable. Also as some products of petroleum and chemical lines need to hold temperature, we have
Color quartz glass tube liquid level instrument