Digital Temperature Transmitter Models T32.1S and T32.3S from WIKA

WIKA Digital Temperature Transmitter Models T32.1S and T32.3SThese temperature transmitters are designed for universal use in the process industry. They offer high accuracy, galvanic isolation, and excellent protection against electromagnetic influences (EMI). Via HART? protocol, the T32 temperature transmitters are configurable (interoperable) with a variety of open configuration tools. In addition to the different sensor types, e.g., sensors in accordance with DIN EN 60751, JIS C1606, DIN 43760, IEC 60584, or DIN 43710, customer-specific sensor characteristics can also be defined, through the input of value pairs (user-defined linearization).

Through the configuration of a sensor with redundancy (dual sensor), in the event of a sensor failure, it will automatically change over to the working sensor. Furthermore, there is the possibility to activate sensor drift detection. With this, an error signaling occurs when the magnitude of the temperature difference between sensor 1 and sensor 2 exceeds a user-selectable value.

The T32 transmitters also have additional sophisticated supervisory functionality, such as monitoring of the sensor lead resistance and sensor-break detection in accordance with NAMUR NE89, as well as monitoring of the measuring range. Moreover, these transmitters have comprehensive cyclic self-monitoring functionality.

The dimensions of the head-mounted transmitter match the form B DIN connection heads with extended mounting space, e.g., WIKA model BSS.

The rail-mounted transmitters are suitable for use in all standard rail systems in accordance with IEC 60715. The transmitters are delivered with a basic configuration or configured according to customer specifications.

Features

Digital Temperature Transmitter Models T32.1S and T32.3S Features

  • TüV certified SIL version for protection systems developed per IEC 61508 (option)
  • Operation in safety applications to SIL 2 (single instrument) and SIL 3 (redundant configuration)
  • Configurable with almost all soft- and hardware tools
  • Universal for the connection of 1 or 2 sensors
    • Resistance thermometer, resistance sensor
    • Thermocouple, mV sensor
    • Potentiometer
  • Signaling in accordance with NAMUR NE43, sensorbreak detection in accordance with NE89, EMC in accordance with NE21

Specifications

Digital Temperature Transmitter Models T32.1S and T32.3S Specifications

Digital Temperature Transmitter Models T32.1S and T32.3S Specifications

1) The transmitter can be configured below these limit values, but this is not recommended due to loss of accuracy.
2) x configurable between 10 … 1,000
3) This operating mode is not allowed for the SIL option.
4) Rtotal: 10 ... 100 kΩ

Applications

Digital Temperature Transmitter Models T32.1S and T32.3S Applications

Applications:

  • Process industry
  • Machine building and plant construction
     

Q & A

Q&A Section with Expand/Collapse Icons

Digital Temperature Transmitter Models T32.1S and T32.3S Q & A

+ What sensors and input types are supported by the WIKA T32.1S and T32.3S digital temperature transmitters?
The WIKA T32.1S and T32.3S digital temperature transmitters are designed to work with a wide range of industrial temperature sensors, making them highly versatile for many applications. They support common resistance temperature detectors (RTDs) such as Pt100, as well as multiple thermocouple types in accordance with IEC and DIN standards. In addition, they can accept millivolt signals and potentiometer inputs. This flexibility allows engineers to standardize on one transmitter platform across different processes, reducing inventory and simplifying maintenance in U.S. and North American industrial facilities.
 
+ What output signal and communication protocol do the WIKA T32.1S and T32.3S use?
Both the T32.1S and T32.3S provide a standard 4–20 mA analog output, which is widely used in industrial control systems for reliable signal transmission over long distances. They also support the HART? communication protocol, enabling digital communication on top of the analog signal. This allows users to remotely configure the transmitter, access diagnostics, and integrate with PLCs, DCS systems, and asset management software commonly used in process automation across manufacturing, energy, and chemical plants.
+ Are the WIKA T32.1S and T32.3S transmitters certified for safety-critical applications?
Yes, the WIKA T32.1S and T32.3S transmitters are available with TüV-certified functional safety approvals in accordance with IEC 61508. They can be used as SIL 2 devices in single-channel configurations and up to SIL 3 when installed in redundant systems. This makes them suitable for safety instrumented systems (SIS) in industries such as oil and gas, chemical processing, power generation, and other regulated environments where reliable and accurate temperature measurement is critical.
 
+ How are the WIKA T32.1S and T32.3S transmitters installed and configured?
The T32.1S and T32.3S are designed for straightforward installation and configuration in industrial environments. Depending on the model, they can be mounted directly in a sensor connection head or installed on a DIN rail inside a control panel. Configuration is performed using standard HART-compatible configuration tools or software, allowing technicians to set sensor type, measurement range, and output parameters without removing the device from service. This ease of setup helps reduce commissioning time and supports efficient maintenance for U.S.-based service and instrumentation teams.  
 
 
+ What diagnostic and reliability features do the WIKA T32.1S and T32.3S offer?
These digital temperature transmitters include advanced diagnostic and monitoring functions that help ensure long-term measurement accuracy and system reliability. They continuously monitor sensor conditions, detect sensor breaks or wiring faults, and provide status information in accordance with NAMUR recommendations. Some configurations also support sensor drift detection and dual-sensor operation with automatic sensor switchover, helping minimize downtime and improve process safety in demanding industrial applications.
 


 

Downloads

Download WIKA Digital Temperature Transmitter Models T32.1S and T32.3S Datasheet

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