signal-conditioners-and-measuring-transducers

Signal Conditioners

High-precision signal conditioning and measuring transducers that isolate, convert, and transmit temperature, DC, and AC electrical quantities into standardized analog or digital signals for reliable integration with PLC, RTU, SCADA, and power-system automation platforms.

Product Capability

A signal-interface family covering temperature, DC, single-phase AC, and three-phase electrical quantities with isolation, standardized outputs, and communication options for power and industrial automation systems.

Temperature signal conversion: the STT Series converts sensor signals such as Pt100 into standardized analog or digital outputs for transformer, cabinet, and process temperature monitoring.
DC electrical quantity conversion: the SET500 Series is designed for isolated transmission of DC voltage and current signals, including battery voltage, charging voltage, control-bus voltage, and charging current.
Single-phase AC conversion: the SET501 Series converts single-phase AC voltage, current, and frequency into standardized analog signals or RS485 data for monitoring and automation interfaces.
Three-phase multi-parameter conversion: the SET503 Series acquires three-phase voltage, current, power, power factor, frequency, and related electrical quantities, with multi-channel analog outputs and RS485 Modbus communication.
Signal isolation and anti-interference: product architectures emphasize electrical isolation between field signals and downstream control systems, improving measurement stability in electrically noisy cabinets and substations.
Standardized system integration: typical output options include 0-5 V, 4-20 mA, and RS485 Modbus, allowing direct connection to PLC, RTU, SCADA, monitoring units, and other automation platforms.

Customer Value

Turns diverse field signals into stable, standardized, and system-ready data while reducing wiring, interface mismatch, and electromagnetic-interference risks.

Improve data compatibility by converting temperature and electrical quantities into commonly used analog or digital interfaces.
Reduce signal distortion and interference between field equipment and control systems through isolated signal transmission.
Simplify cabinet engineering by using compact DIN-rail modules for temperature, DC, single-phase AC, and three-phase measurement tasks.
Accelerate commissioning by using clearly defined input/output functions and standardized interfaces instead of project-specific signal-conversion circuits.
Support centralized monitoring by providing analog outputs and/or RS485 communication for PLC, RTU, SCADA, and substation automation systems.
Improve maintainability by separating measurement, isolation, and transmission tasks from the higher-level protection or automation controller.

Product Series

Product series are configured according to users' usage and configuration preferences.

STT Series

STT temperature transmitter family

Digital temperature transmitters for sensor signal conversion. Current ODES materials highlight 3-wire Pt100 measurement, standardized analog/RS485 outputs, compact DIN-rail installation, and high-accuracy isolated transmission.

SET500 Series

DC voltage/current transmitters for battery systems, charging circuits, control-bus monitoring, and other DC measurement tasks, converting field signals to standard analog outputs.

SET501 Series

SET501 single-phase AC transmitter family

Single-phase AC transmitters for voltage, current, and frequency conversion to analog outputs or RS485, suitable for panel-level electrical monitoring and automation interfaces.

SET503 Series

SET503 three-phase / all-electricity transmitter family

Three-phase multi-parameter electrical transducers supporting voltage, current, power, power factor, frequency, multi-channel analog outputs, and RS485 Modbus communication.

View technical parameters by product series.

STT Series - Digital Temperature Transmitters

Parameter(STT )	Data(STT)	Remarks(STT)
Product type	Digital temperature transmitter	For conversion and isolated transmission of temperature-sensor signals.
Sensor input	3-wire Pt100	Current ODES product page highlights 3-wire Pt100; broader ODES solution materials also reference Pt100 / Cu50 application coverage.
Typical temperature range	-50 to 200 °C	Current product-page series data; exact range depends on ordering configuration.
Output options	0-5 V / 4-20 mA and/or RS485 Modbus	Select according to the receiving PLC, RTU, SCADA, or monitoring unit.
Accuracy	Class 0.2	Current ODES product-page series value.
Response time	≤300 ms	Current ODES product-page series value.
Isolation	3-port isolation	Input, output, and power supply are isolated for improved signal integrity.
EMC capability	EMC Level IV anti-interference design	ODES product materials position STT for electrically complex cabinet environments.
Dimensions	22.5 × 88 × 102.1 mm	Compact DIN-rail form shown in current ODES product-page data.
Typical applications	Transformer winding/core/oil temperature; cabinet/process temperature	Sensor and range must be matched to the project measurement point.
Final selection data	Sensor type; temperature range; output type; auxiliary supply	Confirm exact suffix and terminal map in the latest instruction manual before ordering.

SET500 Series - DC Signal Transmitters

Parameter(SET500 )	Data(SET500)	Remarks(SET500)
Product type	DC voltage / current signal transmitter	For isolated transmission of DC electrical quantities.
Input quantities	DC voltage and DC current	Typical applications include battery voltage, charging voltage, control-bus voltage, and charging current.
Representative input	0-300 VDC shown on a current product-page configuration	Other input ranges are model / suffix dependent.
Output options	4-20 mA / 0-5 V	Standardized analog output options used for downstream automation interfaces.
Accuracy	Class 0.2 typical for ODES transmitter portfolio	Verify the exact suffix when the accuracy class is a contractual requirement.
Isolation	Electrical isolation between field signal and output	Exact isolation architecture and withstand data must be confirmed by model.
Response time	Model / suffix dependent	Confirm where fast signal tracking is required.
Typical applications	DC power-system monitoring; battery and charger circuits; control-bus supervision	Used to standardize DC measurements before PLC/RTU/SCADA acquisition.
Installation	DIN-rail modular form	Representative product uses the compact modular transmitter platform.
Final selection data	Input range; output type; auxiliary supply; isolation requirement	Freeze the actual DC range and receiving-system interface before ordering.

SET501 Series - Single-Phase AC Transmitters

Parameter(SET501)	Data(SET501)	Remarks(SET501)
Product type	Single-phase AC measuring transmitter	For isolated conversion of single-phase AC electrical quantities.
Measured quantities	AC voltage / AC current / frequency	Current ODES product-page positioning.
Output options	Analog output and/or RS485	Output configuration depends on model and project interface requirements.
Accuracy	Up to Class 0.2	Current ODES product-page series value.
Response time	≤300 ms	Current ODES product-page series value.
Isolation	Three-port isolated signal architecture	Used to improve separation between measurement input, output, and auxiliary supply.
Frequency application	Power-frequency AC measurement	Exact nominal and allowable frequency range should be confirmed by model.
Typical applications	Single-phase voltage/current monitoring; auxiliary AC measurement; panel automation	Suitable when only selected AC quantities need to be transmitted to a controller.
Installation	DIN-rail modular form	Compact structure for control and protection panels.
Final selection data	Input quantity/range; output type; auxiliary supply; accuracy class	Confirm suffix, terminal map, and scaling before ordering.

SET503 Series - Three-Phase / All-Electricity Transmitters

Parameter(SET503)	Data(SET503)	Remarks(SET503)
Measured quantities	Three-phase voltage, current, power, power factor, frequency and related electrical parameters	Current ODES product-page and company materials describe SET503 as an all-electricity transmitter.
Analog outputs	Multi-channel analog output; 3 analog outputs are used in current ODES product materials	Typical standardized analog signal is 4-20 mA; exact channels/scaling depend on configuration.
Communication	RS485 Modbus	Standard digital system-integration interface.
Accuracy	Class 0.2 / 0.5 options	Current ODES product-page series data.
Isolation	3-port isolation	Separates input, output, and power supply to improve signal reliability.
Warm-up requirement	Measurement available immediately after power-up	ODES product communication highlights no warm-up waiting for stable measurement.
EMC capability	EMC Level IV anti-interference design	Intended for demanding power-system and industrial cabinet environments.
Module width	67.5 mm	Current ODES product communication for SET503 compact structure.
Typical applications	Substation/panel electrical monitoring; three-phase power measurement; SCADA/RTU interfaces	Focused on signal transmission and isolation rather than local display.
Final selection data	Input wiring; CT/PT ratio or direct range; output scaling; RS485 settings; auxiliary supply	Confirm exact ordering suffix and project protocol parameters before ordering.

Resources & FAQ

Datatype - Download
Product Catalog
Installation Drawing
Datasheet
Wiring Diagram
Product Certification Report

Frequently Asked Questions

Q1. How do I choose between STT, SET500, SET501, and SET503?

Choose the series by the physical quantity and system interface. Use STT for temperature sensors such as Pt100; SET500 for DC voltage/current signals; SET501 for selected single-phase AC voltage, current, or frequency signals; and SET503 when a three-phase system requires multiple electrical quantities, multiple analog outputs, and/or RS485 Modbus communication.

Q2. Should I select 4-20 mA, 0-5 V, or RS485 output?

Match the output to the receiving equipment and project wiring philosophy. 4-20 mA is widely used for robust long-distance analog transmission and fault-friendly loop monitoring; 0-5 V is suitable for compatible short-distance analog inputs; RS485 Modbus is preferable when multiple parameters, digital integration, or reduced analog wiring are required. The available combination must be confirmed for the selected model suffix.

Q3. What information is required before ordering a signal conditioner?

At minimum, confirm the measured quantity, input range or sensor type, required output signal, auxiliary power supply, accuracy requirement, isolation requirement, response-time requirement, communication protocol/parameters if used, and cabinet installation constraints. For AC products, also confirm single-phase or three-phase wiring and any CT/PT scaling requirements.

The current ODES Signal Conditioners product page presents the STT, SET500, SET501, and SET503 transmitter families. Numeric values above are included where they are stated on the current ODES product page or in ODES product/solution materials. Before website release, project approval, or ordering, verify the final model suffix, input range, output scaling, auxiliary supply, accuracy class, isolation data, communication parameters, dimensions, and terminal assignment against the latest instruction manual and project specification.