The SSR-SDU extends the serial data logger product line by providing all the capabilities of the SSR-1U in a a larger form factor with standard USB-C connector for data retrieval and a full-size SD card for easier handling in field environments. Additionally, all four channels come populated with parts to support either RS-232 or TTL/CMOS serial interfaces with selection by solder jumper. Complete details are forthcoming in the User’s Manual.

Logger Features

• Records four serial channels simultaneously
• USB file access via standard USB-C connector
• Up to 230.4k baud recording on all channels (SRSDU)
   High-speed variant supports 921.6k baud (SRSDUH)
• All channels selectable between RS232 and TTL/CMOS with solder jumpers
  (Factory configuration is RS232 on channels 1 and 2, TTL/CMOS on channels 3 and 4)
• Wide supply voltage (4.5 to 32VDC)
• Supports SD, SDHC, and SDXC(>32GB) cards
• Battery backed real time clock
• Raw and time-tagged recording
• Interactive shell for configuration and file system operations
• Flexible record control: digital input, PWM input, software controlled, and automatic
• Flexible recording modes (overwrite/append, user defined path and file names, etc.)