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The latest offering in Acromag’s ST130 series of low-cost, temperature transmitters is a thermocouple/millivolt signal conditioner, Model ST132.

This model can convert sensor input signals from eight thermocouple types or a +/-100mV range and output a proportional 4-20mA process control signal.

The ST132 is an output loop-powered (7-32V DC) two-wire transmitter.

Free Windows configuration software simplifies set up and downloads calibration settings to the unit through a USB connection.

Units mount easily in DIN Form B sensor heads or on a DIN rail.

The rugged, low-maintenance design also features a 24-bit A/D controller that delivers high accuracy and linearity with very low drift across a -40 to 80C operating range.

Units are CE compliant, with UL/cUL Class 1 Div 2 Zone 2 approvals pending.

By leveraging the latest microcontroller technology, this transmitter is able to provide a performance level and feature set that was previously unavailable in a unit of this size and price.

In addition to supporting numerous sensor types on a single unit, the ST132 performs signal linearisation and cold-junction compensation functions.

It also supports reverse-acting (inverse) output and has a fast response time (as low as 8ms).

The Windows configuration software helps users to quickly program the transmitter using a USB cable connection to select input type, scale I/O ranges, set filtering levels and choose upscale or downscale operation for sensor faults.

Digital calibration eliminates zero/span pots, DIP switches and pushbuttons for more precise measurements.

A rugged design helps these transmitters operate reliably in harsh industrial environments.

Ambient temperature drift is less than 75ppm/C for long-term stability.

The ST132 is shock (50 G) and vibration (5 G) resistant, and includes high-level electrical noise immunity (RFI, EMI, ESD, EFT and surge protection).

To prevent incorrect wiring, the output/power connection is non-polarised.

For easy installation, Acromag sells a variety of mounting and wiring accessories.

A USB-to-USB isolator protects equipment from ground loops, electrical noise and surges during configuration.

For convenience, a kit supplies the software, isolator and USB interface cables.

Numerous connection head enclosures are also available through Acromag.

Customers can select from stainless-steel, aluminum and cast-iron housings with explosion-proof or general-purpose ratings.

A DIN rail adapter adds more mounting options.

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