Home   Articles   Publications   Accessories   Demonstration   Training   Testimonials   Private Sessions   About Hank Levin   Friends of the Clarity Meter	Accessories Solo Sensor $49.00 The optional Solo Sensor works with one hand only, leaving the other hand free to take notes, adjust the meter, etc. for solo work. It is also preferred by some clients who are more comfortable having one hand unrestricted--a must for clients who gesticulate a lot! (The wire leads are not included; it uses the same leads as the regular sensor set.)