BK Precision 902401000 20-Channel Board Module for Model DAS240-BAT. The BK Precision 902401000 20-Channel Board is an expansion accessory designed for use with the DAS240-BAT Data Acquisition Recorder. This board adds 20 additional input channels to the recorder, significantly increasing its capacity for monitoring and recording multiple signals simultaneously. It supports a wide variety of signal types, including voltage, current, temperature (via thermocouples), and more, making it suitable for diverse applications in industrial, laboratory, and field environments. The 902401000 board ensures high-accuracy measurements across all channels, allowing users to capture comprehensive data sets in real time. Easy to install and configure, this channel expansion board enhances the functionality of the DAS240-BAT, enabling efficient and scalable data logging for complex projects.