Portable Min Water Level Meter with Sound Buzzer Gd-S 100m Ultrasonic Water Level Sensor Indicator

Portable Min Water Level Meter with Sound Buzzer GD-S 100m  Ultrasonic Water Level Sensor Indicator
Portable Water Level Meters are designed to provide reliable and accurate measurements of groundwater levels. Water level readings are conveniently taken at the top of the casing with accuracy to within 1/100 of a foot.Water well drillers, hydrologists, and engineers have been using our water level meters successfully for the last 20+ years to install, maintain and monitor water wells in all regions of the world. 
Functions:
water level meters are designed and manufactured for well drillers, consultants, hydrogeologists and other professionals who require to measure the most accurate static and drawdown water levels in wells, boreholes, remediation sites and open bodies of water.

water level tape:
Durable, non-stretch PVDF flat tape
Accurately marked each mm or every 1/100 ft
Tape splice option maintained
Certified Traceable to National Standards
Water Level Meter Probe
The Water Level Meter Probe is shielded in design to reduce or eliminate false readings in cascading water. The probe consists of a stainless steel body with a neoprene heat shrink seal. It is not suitable for submergence to any significant depth. Its simple design makes it easy to repair.
Size: 0.55" dia., 7.5" long (14 mm x 190 mm) 
Weight: ~7 ounces (200 g)

Portable Min Water Level Meter with Sound Buzzer GD-S 100m  Ultrasonic Water Level Sensor Indicator