The DT9813-10V and DT9814-10V USB 2.0 data-acquisition modules offer 16 and 24 analog input channels, while reducing per-channel measurement costs by as much as 55%. Each module provides 12-bit resolution, a 50-ksample/s throughput rate, two analog outputs, and a bipolar input range of ±10 V. The DT9813 also supplies eight digital I/O lines. Price: DT9813—$349; DT9814—$399. Data Translation, www.datatranslation.com.