Measurement range: Normal 10-500 ft (3-152 m), Deep 200-1200 ft (61-366 m)
Display resolution: 0.1 ft
Measurement accuracy: ±0.2% of reading. Exclusive of temperature setting errors. *
Operating temperature: 30 to 140° F (-1 to 60° C)
Power: 8 AA dry cell batteries
Dimensions (LxHxW): (excluding sonic measuring duct) 7x4x5 in (18x10x13 cm)
Sonic measuring duct diameter: 5/8 in (16mm); The hole diameter must be at least large enough for 1/2 inch pipe thread.
Sonic measuring duct length: 2 in (5 cm)