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Inputs allow voltage and temperature monitoring

A Measurement Computing product story
Edited by the Engineeringtalk editorial team Jul 24, 2007

The USB-TEMP-AI supports the same thermocouple types as the USB-TC-AI, plus RTDs, thermistors, and semiconductor temperature sensors, and has the same voltage input ranges.

Measurement Computing has released two new eight-channel USB analogue input devices, the USB-TC-AI and the USB-TEMP-AI, which feature four differential temperature inputs, and four differential or single-ended voltage inputs with programmable gain.

These new products are modeled after MCC's USB-TC and USB-TEMP products, which have all eight input channels configured for temperature.

"These new 'AI' versions of our USB-TC and TEMP products fill a gap in the test and measurement community for accurate temperature and voltage measurements on a single USB device", explained Jim Ficaro, Measurement Computing's Marketing Director.

The USB-TC-AI temperature channels support J, K, R, S, T, N, E, and B type thermocouples.

The input ranges for the four voltage channels are software programmable for +/-10V, +/-5V, +/-2.5V, +/-1.25V.

The USB-TEMP-AI supports the same thermocouple types as the USB-TC-AI, plus RTDs, thermistors, and semiconductor temperature sensors, and has the same voltage input ranges.

The USB-TC-AI and the USB-TEMP-AI are USB 2.0 full-speed, modules supported under current popular Microsoft Windows operating systems, and are both fully compatible with both USB 1.1 and USB 2.0 ports.

Separate, 24-bit analogue-to-digital (A/D) convertors are provided for each pair of analogue inputs.

Both devices provide eight independent, TTL-compatible digital I/O channels to monitor TTL-level inputs, communicate with external devices, and to generate alarms.

The digital I/O channels are software-programmable for either input or output.

Both the USB-TC-AI and USB-TEMP-AI have an integrated cold junction compensation (CJC) sensor for thermocouple measurements.

The USB-TEMP-AI also has built-in current excitation sources for resistive sensor measurements.

The USB-TC-AI and USB-TEMP-AI ship with an impressive array of software included in the MCC DAQ Software CD.

The disk includes out of the box applications, drivers, and libraries that meet the needs of programmers and nonprogrammers alike.

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