The instruments must be able to store the measurement values and have an interface in order to document these values on a printer or computer.
All Surfix® Pro S, Surfix® S, Surfix® and Pocket-Surfix® have a data memory and also an infrared interface for wireless data transfer (refer to "Overview Table" and the "Technical Specifications" of each instrument).
Data memory and computer interface are not available with the low-priced Surfix® S basic and Surfix® basic.