PASI - Model BFM - Water Level Meter
Flat measuring tape with a core spring steel and two copper wires, coated with transparent antiscratching PE jacket. Black millimeter graduation over total length, centimeter and decimeter indication in black, meter indication in red. Graduation at 1 millimeter interval. Probe diameter: 10 mm, made of stainless steel and moulded rubber, with segmented weights for more flexibility. Water level indication by both acoustic signal and led. External screw for sensibility regulation. Powered by 1x9V battery, easy to be substituted (external drawer). Cable lenghts from 50m to 200m.