Swoffer Open Stream Current Velocity Meter, Model 2100-C80 For 6/10 depth method. Measures stream depth up to 80 cm then places the sensor 6/10 of the stream depth from the surface. Primarily used when wading, it is lightweight enough to be carried on a backpack. Shipped in two pieces; one weighs 2 lbs., the other 3 lbs.
The portable, handheld Swoffer Model 2100-14 with Depth Rod features weatherproof construction and digital display. Complete with 2"-dia., glass-filled nylon propeller and PVC-jacketed cable that is equal to the length of the fully extended wand plus 5'.
Model 2100 also boasts a digital display with maximum/minimum velocity, three preset averaging times of 5, 20 and 90 seconds, and a start/stop button for interval testing. Uses a single 9V battery (included).
Features:
Read stream velocity directly from 0.1 to 25 feet (.03 to 7.5 meters) per second
Velocity displayed in either feet or meters per second
Three selectable pre-set display update times. 90 second maximum
Powered by a single standard 9V battery.
Uses the efficient, propeller-driven Photo-Fiber-Optic sensor pioneered by Swoffer in the 1970's
Precision quartz crystal controlled electronics provides accurate, precise data in all flow conditions
What's In The Box:
(2) Set atteries (AA for Models 3000 or 9 volt for Models 2100).
(2) Propeller rotor assemblies (2100-A21).
(1) A spare propeller (2100-Prop, 2" (50 mm) size).
(1) Hands-free harness and neck strap (Models 3000) and neck strap only (Models 2100).