Data Acquisition System overview, PLACID DAQ Data Acquisition System overview, PLACID DAQ Click on the product name below for more info! Type Input Channels Output Channels Programable Gain Current (mA) Sampling Rate (Hz) Dynamic Range (dB) PQ421 4-ChannelBNC interface 2-ChannelBNC interface 0dB 20dB 40dB 4 mA 48 kHz 112 dB PQ441-C 4-ChannelBNC interface 4-ChannelBNC interface 0 dB, 20 dB, 40 dB 4 mA 88 kHz 110 dB PQ801 8-ChannelBNC interface 8-ChannelBNC interface 0 dB, 20 dB, 40 dB 4 mA 1-100 kHz 112 dB PQ1601 16ChannelBNC interface 16-ChannelBNC interface 0 dB, 20 dB, 40 dB 4 mA 1-100 kHz 112 dB