Компания Measurement Computing Corp. предлагает 24-разрядные USB модули с аналоговыми входами для измерения напряжения или температуры. Приборы USB-2416 и USB-2416-4AO имеют восемь цифровых I/O и два счетчика, модуль USB-2416-4AO дополнительно имеет четыре аналоговых выхода. Устройства работают под управлением Microsoft Windows 2000/XP/Vista (32-bit).
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USB-2416 Series Features
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16 differential or 32 single-ended analog inputs
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24-bit resolution
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Nine software-selectable ranges: ±20 V, ±10 V, ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, ±0.312 V, ±0.156 V, and ±0.078 V
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Any of the analog inputs can be configured for thermocouples (up to 16 differential)
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1000 samples per second aggregate throughput
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Built-in cold junction compensation and open thermocouple detection
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Eight lines of high-drive digital I/O
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Two 32-bit counters
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500-volt isolation between signal I/Os and the host computer
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TracerDAQ data logging, viewing, and analysis application
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Universal Library
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InstaCal installation, calibration, and test utility
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The USB-2416-4AO model also includes four analog output channels with 16-bit resolution, ±10 V output range, and an aggregate 1000 Hz update rate.