Portable instruments for the measurement of groundwater level, temperature & flow.

Available sizes : 1 ½“, 2“, 3“, 4“, 4,5“, 5“, 6“

On request wit :

• Normal lock (opening with commercial hexagon allen-type wrench)
• Safety lock (opening with special key)

Variations :

• Top piece with sealing inset
• Artesian lock in different sizes and versions (i.e. with manometer, aeration and aeration valve, draining tap etc.)

Available documents (PDF files) :
	English