Turbidity Meter, Handheld, Waterproof, with Standards

The large custom LCD displays reading and units of measure. Other features include auto-off, diagnostic error messages, and auto-ranging function. 
Turbidity meter is easy to calibrate — meter automatically prompts you to the next calibration standard. 
Sealed optical system with infrared light source delivers high accuracy across entire range.
Power saving function lets you take over 1000 readings on a single set of AAA batteries. 

Turbidity Meter, Handheld, Waterproof, with Standards