The new Check-Line RX-DD is a precision Digital Durometer ideal for laboratory use. It features a large direct drive LCD display, RS232 data ports for computer compatibility, a locking feature to prevent accidental erasure of tolerances, automatic shutoff, low battery warning, and accessories such as MTI and SPC type printers, audio attachments and software.

Type M Durometers require test stand OS-3 per ASTM D2240.