Competitively priced Long term stability and long battery life make the Levelogger a cost saving instrument you can depend on. Infra-red data transfer eliminates the need for expensive electrical cable, although a direct read cable is available. Program any number of Levelogger's to start recording simultaneously using one computer, and one optical reader. Download data into your computer through infra-red data transfer. The Levelogger is so compact it greatly reduces shipping costs and complications.
Dozens can fit into a small back-pack.