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Measurement Computing has released a series of highly accurate, multi-function measurement and control modules for the USB bus.

The USB-2416 and the USB-2416-4AO are 24-bit analogue input devices for voltage or temperature, with eight digital input/output (I/O) lines and two counters.

The USB-2416-4AO model also features four analogue outputs.

An optional expansion module, the AI-EXP32, doubles the analogue input capacity of either of the USB-2416-series modules.

The devices include 16 differential or 32 single-ended analogue inputs.

Any of the analogue inputs can be configured for thermocouples (up to 16 differential).

There are nine software-selectable ranges: +/-20V, +/-10V, +/-5V, +/-2.5V, +/-1.25V, +/-0.625V, +/-0.312V, +/-0.156V and +/-0.078V.

Other features include: 1,000 samples per second aggregate throughput; built-in cold junction compensation and open thermocouple detection; eight lines of high-drive digital I/O; two 32-bit counters; and 500V isolation between signal I/Os and the host computer.

In addition, the USB-2416-4AO model also includes four analogue output channels with 16-bit resolution, +/-10V output range and an aggregate 1,000Hz update rate.

With the addition of an optional AI-EXP32 analogue input expansion module, the number of analogue input channels on the USB-2416 or the USB-2416-4AO can be doubled, increasing from 16 differential or 32 single-ended inputs to 32 differential or 64 single-ended inputs.

The expansion module also provides an additional 16 channels of DIO, bringing the total DIO count of the mated pair to 24.

All of the features of the USB-2416-series module are included when the AI-EXP32 is attached, offering the ability to accommodate thermocouples on any input channel, built-in cold junction compensation and open thermocouple detection.

The AI-EXP32 can be plugged directly into a USB-2416-series module.

Jim Stevens, Measurement Computing’s vice-president of research and development, said: ‘These high-accuracy DAQ modules are ideal for characterisation and testing of precision devices such as ICs and for signal and sensor measurements requiring instrument-class accuracy.

‘They’re great for lab and research applications, medical-device instrumentation and monitoring, materials and structural analysis and gas detection – anywhere accuracy matters,’ he added.

The packaging for the USB-2416 series and the AI-EXP32 assures ease of use in a variety of applications, according to the company.

Detachable screw terminals facilitate attaching and removing without rewiring.

The modules can be DIN-rail mounted for rack applications.

The USB-2416-series modules are supplied with a range of software, including: TracerDAQ, a full-featured, out-of-the-box, data-logging, viewing and analysis application; Universal Library; and the Instacal installation, calibration and test utility.

The USB-2416-series modules operate under Microsoft Windows 2000, XP and Vista (32-bit) operating systems.

Measurement Computing

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