Temperature transmitter

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Temperature transmitter
Temperature transmitter

Acromag adds an enhanced version of their USB-configured thermocouple/millivolt input transmitters with an isolation barrier to protect from surges, reduce noise, and eliminate ground loop errors.

The latest release in the ST130 series of low-cost, temperature transmitters is the Model ST133, an isolated thermocouple/millivolt signal conditioner. This high-performance version of the economy-level ST132 also converts sensor input signals from eight thermocouple types or a ±100mV range and outputs a proportional 4-20mA process control signal. However, the addition of 1500V isolation between the input and output circuit shields equipment from high-voltage surges and transient signals. The isolation also breaks up ground loops and reduces signal noise that could interfere with measurement accuracy. Installing this output loop-powered two-wire transmitter is easy and a USB connection to your PC simplifies set up using free Windows configuration software. Units support mounting in DIN Form B sensor heads or on a DIN rail. They are CE compliant with pending UL/cUL Class 1 Div 2 Zone 2 approvals and operate reliably over a -40 to 80°C operating range.

Other features include signal linearization and cold-junction compensation functions. Response times are as low as 30ms. The Windows software helps you quickly configure the transmitter using a USB cable connection to select input type with standard or reverse-acting output, 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 and stable 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 ST133 is shock (50g) and vibration (5g) resistant and includes high-level electrical noise immunity (RFI, EMI, ESD, EFT, and surge protection). And to prevent incorrect wiring, the output/power connection is non-polarized.
For easy installation, Acromag sells a variety of mounting and wiring accessories. A USB isolator further 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 from Acromag. Select from stainless steel, aluminum, and cast iron housings with explosion-proof or general-purpose ratings. A DIN rail adapter offers alternative mounting options.

Posted on June 30, 2011 - (2605 views)
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Acromag Inc.
30765 S Wixom Road
48393-2417 Wixom - USA
+1-248-295-0880
+1-248-6249234
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