| 摘要 |
FIELD: measurement of liquid level in closed vessels. SUBSTANCE: level gage has tubular rod 1 with scale, float 4 with roller 5 having offset axis of revolution, flexible link 8, and warning device incorporating pointing rod 7, power supply 10, electric bulb 11, and reed relay 12. Pointing rod 7 carries on its end permanent magnet 13 for its engagement with reed relay 12 when float is in horizontal position. EFFECT: improved design. 1 dwg |
