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Product short description:
  • Universal thermocouple (8 types) or ±100mV input
  • 4-20mA output
  • Loop-powered, 7-32V DC

The ST132 is a low-cost two-wire transmitter that converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current. The transmitter performs signal linearization, cold-junction compensation, and lead-break detection functions.

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The ST132 is a low-cost two-wire transmitter that converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current. The transmitter performs signal linearization, cold-junction 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.

Advanced signal processing capabilities, variable range input, and convenient USB programming make this instrument a very versatile temperature measurement device. These transmitters can withstand harsh industrial environments and operate reliably across a wide temperature range with very low drift. They feature RFI, EMI, ESD, EFT, and surge protection plus low radiated emissions.

Performance Specifications

Important: To prevent damage or errors from grounded PCs and surges, Acromag strongly recommends use of the USB-ISOLATOR when configuring and ST130 transmitter.

USB Interface

USB Connector: USB Mini-B type socket, 5-pin
USB Data Rate: 12Mbps. USB v1.1 and 2.0 compatible
USB Transient Protection: Transient voltage suppression on power and data lines
USB Cable Length: 5.0 meters maximum
Driver: Not required. Uses built-in Human Interface Device (HID) USB drivers of the Windows operating system.

Input

Default Configuration/Calibration:
Input: TC J, -40°F to 176°F (-40°C to 80°C), upscale break, high filter.
Output: 4 to 20mA

Input Ranges and Accuracy:

Input                          Range                                   Accuracy
TC J          -210 to 760°C (-346 to 1400°F)           ±0.5°C
TC K         -200 to 1372°C (-328 to 2502°F)         ±0.5°C
TC T          -260 to 400°C (-436 to 752°F)             ±0.5°C
TC R            -50 to 1768°C (-58 to 3214°F)           ±1.0°C
TC S            -50 to 1768°C (-58 to 3214°F)           ±1.0°C
TC E         -200 to 1000°C (-328 to 1832°F)         ±0.5°C
TC B           260 to 1820°C (500 to 3308°F)          ±1.0°C
TC N         -230 to 1300°C (-382 to 2372°F)        ±1.0°C
mV            -100 to 100mV                                          ±0.1mV
Error includes the effects of repeatability, terminal point conformity, and linearization at 25°C operating ambient temperature.

Thermocouple Reference (Cold Junction Compensation): ±0.1°C typical, ±0.3°C maximum at 25°C
Ambient Temperature Effect: Better than ±75ppm/°C (±0.0075%/°C)
Zero Scaling Adjust: 0 to 95% of range, typical
Full Scale Adjust: 5 to 100% of full scale range, typical
Lead Break (Sensor Burnout) Detection: Configurable for either upscale or downscale
Thermocouple Input Bias Current: ±250nA typical (TC break)
Input Over-Voltage Protection: Bipolar Transient Voltage Suppressers (TVS), 5.6V clamp level typical
Input Filter Bandwidth: -3dB at 55Hz, typical, normal mode filter
Resolution:
milliVolt input: 0.005% (1 part in 20,000)
Thermocouple input: 0.1°C
Input Filter: Normal mode filtering, plus selectable digital filtering settings (none, low, medium, high) optimized and fixed per input range within the A/D converter.
Noise Rejection (Normal Mode): 75dB @ 60Hz, typical with 100 ohm input unbalance

Output

Output Range: 4 to 20mA DC
Output Compliance:
Rload = (Vsupply – 7V) / 0.02A
Rload = 0 to 850 ohms @ 24V DC
Output Response Time (for step input change): Time to reach 98% of final output value ranges from 8ms (with no filtering) to 800ms (with high filtering)

Environmental

Operating temperature: -40 to 80°C (-40° to 176°F)
Storage temperature: -40 to 85°C (-40 to 185°F)
Relative Humidity: 5 to 95% non-condensing
Power Requirement: 7-32V DC SELV (Safety Extra Low Voltage), 25mA maximum
Isolation: Not isolated
Shock and Vibration Immunity:
Vibration: 5g, per IEC 60068-2-64
Shock: 50g, per IEC 60068-2-27
Electromagnetic Compatibility (EMC) Compliance:
Radiated Emissions: BS EN 61000-6-4, CISPR 16
RFI: BS EN 61000-6-2, IEC 61000-4-3
Conducted RFI: BS EN 61000-6-2, IEC 61000-4-6
ESD: BS EN 61000-6-2, IEC 61000-4-2
EFT: BS EN 61000-6-2, IEC 61000-4-4
Surge Immunity: BS EN 61000-6-2, IEC 61000-4-5
Approvals:
CE compliant. UL/cUL listings. ATEX Certified
Designed for Class I; Division 2; Groups ABCD; Zone 2
II 3 G Ex nA IIC T4 Gc -40°C < Ta < +80°C

Physical

General: General purpose enclosure with potted circuit designed for mounting in DIN Form B connection heads.
Case Material: Self-extinguishing polycarbonate ABS plastic, UL94 V-0 rated base material. USB dust cap material is Santoprene, 251-70W232.
I/O Connectors:
Barrier strip type, captive screw terminals
Wire range: AWG #14-28 solid or stranded
Shipping Weight: 0.5 pounds (0.22 Kg) packed

  • Easy setup and digital calibration via USB with Windows configuration software
  • Flexible thermocouple or millivolt input ranges(TC Type J, K, T, R, S, E, B, N or ±100mV)
  • 24-bit A/D micro-controller
  • High accuracy, linearity, stability, and reliability
  • Low temperature drift (<75ppm/°C)
  • Fast response time (as low as 8ms)
  • Supports reverse-acting (inverse) output
  • Selectable upscale or downscale operation for sensor errors and lead-break detection
  • Non-polarized output/power connection
  • Mounts in DIN Form B sensor heads
  • Shock (50g) and vibration (5g) resistant
  • 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. , Ex II 3 G Ex nA IIC T4 Gc -40°C Ta +80°C certified
Signal Isolation: What it is and Why it's Important - Whitepaper (Log in to view the file)
Why do we need signal isolation? Acromag is in the business of signal conditioning. We manufacture circuits that amplify, isolate, filter, and convert one signal form to another. Most of these circuits also provide electrical isolation. However, added isolation has a cost. Thus, sometimes customers either question their need for isolation or fail to recognize...
How to use Thermocouple Transmitters to Monitor Temperatures in Paint Systems Application Note
This document illustrates using Acromag’s TT330 Series to monitor high temperatures in an automotive paint curing oven and transmit to the existing PLC 4-20mA input card/software setup. Defining the Problem The area around an auto manufacturer’s paint curing ovens is at elevated temperatures affecting the performance of locally installed instrumentation. Placing Signal Conditioners rated for...
Minimizing Measurement Errors When Making Thermocouple to Transmitter Connections White Paper (Log in to view the file)
How To Prevent Temperature Measurement Errors It will give you a keen understanding of the three basic laws of thermocouples: Homogeneous materials, Intermediate Metals, and Successive/Intermediate Temperatures. It is helpful in weeding out potential sources of error in a thermocouple measurement system.
Temperature Measurement Using Thermocouples White Paper (Log in to view the file)
The Basics of Temperature Measurement Using Thermocouples Choosing a temperature sensor for an application is not as simple as picking a thermocouple type with a compatible temperature range. You must give consideration to the sensor material type, the application temperature range, the relative sensitivity of the sensor, the limitations of its insulation material, and its...

Specifications

Manuals

ST132 User Manual (Log in to download the file)

ST132 and ST133 Configuration Software (Log in to download the file)
  • Compare

    ST130 Mounting Accessories

    • Simplifies mounting of ST130 Series transmitters
    • Ideal for mounting in the field or in a control room
    $15$155
    Select options
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    ST13C-SIP

    • Configuration software
    • USB isolator
    • Two USB cables
    • One kit recommended per customer
       
    $190
    Select options
  • Compare

    USB Isolator

    • USB-powered, USB 2.0 and 1.1 compatible
    • 1500V AC / 2100V DC isolation
    • No drivers required
    This compact, industrial-grade isolator provides a high-voltage isolation barrier between a computer and a connected USB device.  
    $110
    Select options

Additional information

Weight N/A
Dimensions N/A
Part Number

ST132-0610: CE compliant, click to see all approvals/certifications below

Configuration

Factory Calibration, USB Configuration, Windows Software Configuration

Product Series

ST130 Series

Power

Loop Power

  • Description

    The ST132 is a low-cost two-wire transmitter that converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current. The transmitter performs signal linearization, cold-junction 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.

    Advanced signal processing capabilities, variable range input, and convenient USB programming make this instrument a very versatile temperature measurement device. These transmitters can withstand harsh industrial environments and operate reliably across a wide temperature range with very low drift. They feature RFI, EMI, ESD, EFT, and surge protection plus low radiated emissions.

    Performance Specifications

    Important: To prevent damage or errors from grounded PCs and surges, Acromag strongly recommends use of the USB-ISOLATOR when configuring and ST130 transmitter.

    USB Interface

    USB Connector: USB Mini-B type socket, 5-pin
    USB Data Rate: 12Mbps. USB v1.1 and 2.0 compatible
    USB Transient Protection: Transient voltage suppression on power and data lines
    USB Cable Length: 5.0 meters maximum
    Driver: Not required. Uses built-in Human Interface Device (HID) USB drivers of the Windows operating system.

    Input

    Default Configuration/Calibration:
    Input: TC J, -40°F to 176°F (-40°C to 80°C), upscale break, high filter.
    Output: 4 to 20mA

    Input Ranges and Accuracy:

    Input                          Range                                   Accuracy
    TC J          -210 to 760°C (-346 to 1400°F)           ±0.5°C
    TC K         -200 to 1372°C (-328 to 2502°F)         ±0.5°C
    TC T          -260 to 400°C (-436 to 752°F)             ±0.5°C
    TC R            -50 to 1768°C (-58 to 3214°F)           ±1.0°C
    TC S            -50 to 1768°C (-58 to 3214°F)           ±1.0°C
    TC E         -200 to 1000°C (-328 to 1832°F)         ±0.5°C
    TC B           260 to 1820°C (500 to 3308°F)          ±1.0°C
    TC N         -230 to 1300°C (-382 to 2372°F)        ±1.0°C
    mV            -100 to 100mV                                          ±0.1mV
    Error includes the effects of repeatability, terminal point conformity, and linearization at 25°C operating ambient temperature.

    Thermocouple Reference (Cold Junction Compensation): ±0.1°C typical, ±0.3°C maximum at 25°C
    Ambient Temperature Effect: Better than ±75ppm/°C (±0.0075%/°C)
    Zero Scaling Adjust: 0 to 95% of range, typical
    Full Scale Adjust: 5 to 100% of full scale range, typical
    Lead Break (Sensor Burnout) Detection: Configurable for either upscale or downscale
    Thermocouple Input Bias Current: ±250nA typical (TC break)
    Input Over-Voltage Protection: Bipolar Transient Voltage Suppressers (TVS), 5.6V clamp level typical
    Input Filter Bandwidth: -3dB at 55Hz, typical, normal mode filter
    Resolution:
    milliVolt input: 0.005% (1 part in 20,000)
    Thermocouple input: 0.1°C
    Input Filter: Normal mode filtering, plus selectable digital filtering settings (none, low, medium, high) optimized and fixed per input range within the A/D converter.
    Noise Rejection (Normal Mode): 75dB @ 60Hz, typical with 100 ohm input unbalance

    Output

    Output Range: 4 to 20mA DC
    Output Compliance:
    Rload = (Vsupply – 7V) / 0.02A
    Rload = 0 to 850 ohms @ 24V DC
    Output Response Time (for step input change): Time to reach 98% of final output value ranges from 8ms (with no filtering) to 800ms (with high filtering)

    Environmental

    Operating temperature: -40 to 80°C (-40° to 176°F)
    Storage temperature: -40 to 85°C (-40 to 185°F)
    Relative Humidity: 5 to 95% non-condensing
    Power Requirement: 7-32V DC SELV (Safety Extra Low Voltage), 25mA maximum
    Isolation: Not isolated
    Shock and Vibration Immunity:
    Vibration: 5g, per IEC 60068-2-64
    Shock: 50g, per IEC 60068-2-27
    Electromagnetic Compatibility (EMC) Compliance:
    Radiated Emissions: BS EN 61000-6-4, CISPR 16
    RFI: BS EN 61000-6-2, IEC 61000-4-3
    Conducted RFI: BS EN 61000-6-2, IEC 61000-4-6
    ESD: BS EN 61000-6-2, IEC 61000-4-2
    EFT: BS EN 61000-6-2, IEC 61000-4-4
    Surge Immunity: BS EN 61000-6-2, IEC 61000-4-5
    Approvals:
    CE compliant. UL/cUL listings. ATEX Certified
    Designed for Class I; Division 2; Groups ABCD; Zone 2
    II 3 G Ex nA IIC T4 Gc -40°C < Ta < +80°C

    Physical

    General: General purpose enclosure with potted circuit designed for mounting in DIN Form B connection heads.
    Case Material: Self-extinguishing polycarbonate ABS plastic, UL94 V-0 rated base material. USB dust cap material is Santoprene, 251-70W232.
    I/O Connectors:
    Barrier strip type, captive screw terminals
    Wire range: AWG #14-28 solid or stranded
    Shipping Weight: 0.5 pounds (0.22 Kg) packed

  • Features & Benefits

    • Easy setup and digital calibration via USB with Windows configuration software
    • Flexible thermocouple or millivolt input ranges(TC Type J, K, T, R, S, E, B, N or ±100mV)
    • 24-bit A/D micro-controller
    • High accuracy, linearity, stability, and reliability
    • Low temperature drift (<75ppm/°C)
    • Fast response time (as low as 8ms)
    • Supports reverse-acting (inverse) output
    • Selectable upscale or downscale operation for sensor errors and lead-break detection
    • Non-polarized output/power connection
    • Mounts in DIN Form B sensor heads
    • Shock (50g) and vibration (5g) resistant
    • 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. , Ex II 3 G Ex nA IIC T4 Gc -40°C Ta +80°C certified
  • Tech Papers

    Signal Isolation: What it is and Why it's Important - Whitepaper (Log in to view the file)
    Why do we need signal isolation? Acromag is in the business of signal conditioning. We manufacture circuits that amplify, isolate, filter, and convert one signal form to another. Most of these circuits also provide electrical isolation. However, added isolation has a cost. Thus, sometimes customers either question their need for isolation or fail to recognize...
    How to use Thermocouple Transmitters to Monitor Temperatures in Paint Systems Application Note
    This document illustrates using Acromag’s TT330 Series to monitor high temperatures in an automotive paint curing oven and transmit to the existing PLC 4-20mA input card/software setup. Defining the Problem The area around an auto manufacturer’s paint curing ovens is at elevated temperatures affecting the performance of locally installed instrumentation. Placing Signal Conditioners rated for...
    Minimizing Measurement Errors When Making Thermocouple to Transmitter Connections White Paper (Log in to view the file)
    How To Prevent Temperature Measurement Errors It will give you a keen understanding of the three basic laws of thermocouples: Homogeneous materials, Intermediate Metals, and Successive/Intermediate Temperatures. It is helpful in weeding out potential sources of error in a thermocouple measurement system.
    Temperature Measurement Using Thermocouples White Paper (Log in to view the file)
    The Basics of Temperature Measurement Using Thermocouples Choosing a temperature sensor for an application is not as simple as picking a thermocouple type with a compatible temperature range. You must give consideration to the sensor material type, the application temperature range, the relative sensitivity of the sensor, the limitations of its insulation material, and its...
  • Specs & Data Sheets

    Specifications

    Manuals

    ST132 User Manual (Log in to download the file)

  • Software

    ST132 and ST133 Configuration Software (Log in to download the file)
  • Accessories

    • Compare

      ST130 Mounting Accessories

      • Simplifies mounting of ST130 Series transmitters
      • Ideal for mounting in the field or in a control room
      $15$155
      Select options
    • Compare

      ST13C-SIP

      • Configuration software
      • USB isolator
      • Two USB cables
      • One kit recommended per customer
         
      $190
      Select options
    • Compare

      USB Isolator

      • USB-powered, USB 2.0 and 1.1 compatible
      • 1500V AC / 2100V DC isolation
      • No drivers required
      This compact, industrial-grade isolator provides a high-voltage isolation barrier between a computer and a connected USB device.  
      $110
      Select options
  • Additional information

    Additional information

    Weight N/A
    Dimensions N/A
    Part Number

    ST132-0610: CE compliant, click to see all approvals/certifications below

    Configuration

    Factory Calibration, USB Configuration, Windows Software Configuration

    Product Series

    ST130 Series

    Power

    Loop Power