ST131

Transmitter, RTD Input, Loop-Powered

• 100 ohm Pt RTD or 0-900 ohm input

• 4 to 20mA DC output

• 9-32V DC from output loop power

• USB-configured

The ST131 is a low-cost two-wire transmitter that converts a 100 ohm Platinum RTD sensor input to a proportional 4-20mA signal. Power is received from the output loop current. The transmitter provides sensor excitation and includes linearization, lead-wire compensation, and lead-break detection functions. Setup and calibration are fast and easy with a convenient USB connection to your PC and Acromag’s Windows configuration software.

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ST131

• Easy setup and digital calibration via USB with Windows configuration software

• Flexible RTD or linear resistance input ranges

• High accuracy and linearity

• Advanced analog signal conditioning ASIC eliminates digitization errors

• Low temperature drift

• Fast response time (< 500µS)

• Programmable over/under-range limits

• Selectable upscale or downscale operation for sensor errors and lead-break detection

• NAMUR NE43 compliant fault response

• Reverse polarity protected with non-polarized output

• Mounts in DIN Form B sensor heads

• Optional DIN rail adapter

• Wide ambient operation (-40 to 80°C)

• Hardened for harsh environments

• CE compliant. UL/cUL Class 1 Div 2 Zone 2 approvals (pending)
 

Pricing and Order Information

Select country for Pricing
Part No. Description Price (in $USD)  
ST131-0600

Transmitter, 100 ohm Pt RTD or resistance input, CE compliant.

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Accessories
ST13x-Config/Cal

Factory custom configuration/calibration service. Specify input type, input/output zero and full-scale values, filtering, and sensor fault settings on order. Order one (1) service for each transmitter.
 

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