Liquid level alarm device

Liquid level alarm device includes: the guide arm, set up in the high -order supplementary floater of guide arm upper end, set up in on the guide arm and lie in the high -order warning floater of high -order supplementary floater top, set up in the supplementary floater of low level of guide arm lower extreme, set up in on the guide arm and lie in the low alarm floater of the supplementary floater below of low level, through the wire with the alarm that high -order warning floater and low alarm floater link to each other, high -order supplementary floater, high -order warning floater, the supplementary floater of low level, low alarm floater can be followed the guide arm removes. The utility model discloses a setting up the supplementary floater of height, low level on the pipe, promoting high, low alarm floater by supplementary floater and remove, outside high -order warning floater was located liquid all the time, the low alarm floater was located liquid all the time, avoided because of the warning floater glue lead to on the drop bar can not correct warning the condition take place.