Pond water measuring device and method capable of automatically converting water level, time and flow

The invention discloses a pond water measuring device capable of automatically converting water level, time and flow. The pond water measuring device comprises a first pressure water level sensor, a second pressure water level sensor, a storage battery, a control box, an integrated controller, an analog-to-digital converter, a program chip, a segmented accumulation timer and a computer terminal. The first pressure water level sensor is arranged in a pond, the second pressure water level sensor is arranged on the downstream of a water outlet of the pond, and the segmented accumulation timer is connected with the program chip. The integrated controller, the analog-to-digital converter and the segmented accumulation timer are connected with the program chip, and the first pressure water level sensor and the second pressure water level sensor are connected with the analog-to-digital converter; the integrated controller, the analog-to-digital converter and the program chip are arranged in the control box; the segm