The Geotech Water Level Meters are portable instruments used to accurately measure water levels in monitoring wells and bore holes. The meter detects water levels with a 5/8" (15.8mm) O.D. stainless steel weighted probe attached to a polyethylene tape marked to 1/100 of a foot (3mm). • Choice of highly accurate Polyethylene coated steel tape marked in engineering or metric increments • Field serviceable 5/8" (15.8mm) probe with stainless steel conductors for durability • Adjustable sensitivity to prevent false triggering • Audible and visible alarms activated when the probe makes contact with water • Easily replaced 9 volt battery • MDPE or Tefzel® coated steel tape available upon request • Optional tape weight to help sink the probe into a deeper or crooked well