Features :

• Simple and low cost portable instrument
• Mechanical closing mechanism with dropping weight acc. to Dr. Blasy
• Thickness of layer is directly readable at the measuring scale at the instrument
• Built-in acoustic signal by touching water level  (well-whistle)
• Cable drum and 30 m polyamide rope with meter marking (special lengths on request) on robust supporting frame with carrying handle

Available documents (PDF files) :
	English French