Editorial Technical Reference

Signal Processor

This page explains how Signal Processor is classified within Basic Metal Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Electronic device that conditions, amplifies, filters, and converts raw sensor signals into standardized outputs for temperature measurement systems.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Signal Processor

Definition
The Signal Processor is a component used in molten metal temperature measurement systems within the basic metal manufacturing industry. It receives raw electrical signals from temperature sensors such as thermocouples or infrared detectors. The device conditions these signals by amplifying weak voltages, filtering out electrical noise and interference, and linearizing non-linear sensor responses. It then converts the processed data into standardized digital or analog outputs suitable for display, recording, or control systems in high-temperature metal processing environments. The processor is housed in an aluminum enclosure with thermal interface materials to manage heat. Key parameters include an input signal range of 0–10 mV, accuracy of ±0.05%, response time of ≤100 ms, operating temperature range of -40–85 °C, supply voltage of 24 V DC ±10%, output signal of 4–20 mA, isolation voltage of 1500 V AC per IEC 61010, ingress protection of IP65 per IEC 60529, housing material of 316L stainless steel per ASTM A240, weight of 0.5–1.0 kg, dimensions of 100×80×60 mm, and operating humidity of 0–95% RH non-condensing. These values are reference ranges and must be verified for the specific model and application. The device operates by receiving low-level signals, applying signal conditioning circuits (amplification, filtering, isolation), performing analog-to-digital conversion when required, implementing calibration algorithms to compensate for sensor characteristics, and outputting processed temperature data in standardized formats while maintaining signal integrity in electrically noisy industrial environments. It is designed for reliable operation in harsh conditions, but users should confirm model-specific specifications and compliance with relevant standards with the legal manufacturer or supplier.
Working Principle
The Signal Processor operates by receiving low-level electrical signals from temperature sensors. It applies signal conditioning circuits including amplification, filtering, and isolation to remove noise and interference. When required, it performs analog-to-digital conversion. Calibration algorithms compensate for sensor characteristics to ensure accuracy. The processed data is then output in standardized formats, such as 4–20 mA analog or digital signals, while maintaining signal integrity in electrically noisy industrial environments. The device is powered by a 24 V DC supply and is designed to operate within a temperature range of -40–85 °C.
Common Materials
Printed Circuit Board, Electronic Components (ICs, resistors, capacitors), Aluminum Housing, Thermal Interface Materials
Technical Parameters
ParameterTypical rangeNotes & selection driver
Input Signal RangeRequired0–10 mVAcceptable input voltage range from temperature sensors
AccuracyRequired±0.05 %Overall measurement accuracy including linearity and stability
Response TimeRequired≤100 msTime required to process and output temperature data
Operating TemperatureRequired-40–85 °CAmbient temperature range for reliable operation
Supply Voltage24 ±10% V DCStandard industrial supply
Output Signal4–20 mAStandard analog output
Isolation Voltage1500 V ACInput to output isolationIEC 61010
Ingress ProtectionIP65Dust-tight and protected against water jetsIEC 60529
Housing Material316LStainless steel for corrosion resistanceASTM A240
Weight0.5–1.0 kgDepending on configuration
Dimensions (W×H×D)100×80×60 mmCompact housing
Operating Humidity0–95 % RHNon-condensing

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Input Protection Circuit Part
    Protects processor from voltage spikes and electrical noise from sensors
    Material: Transient voltage suppressors, filtering capacitors
  • Amplification Stage
    Amplifies weak sensor signals to usable levels while maintaining signal integrity
    Material: Operational amplifiers, precision resistors
  • Analog-to-Digital Converter
    Converts analog sensor signals to digital data for processing and transmission
    Material: Integrated circuit, reference voltage source
  • Signal Filter
    Removes electrical noise and interference from temperature signals
    Material: Capacitors, inductors, filter ICs
  • Output Interface
    Provides standardized output signals (4-20mA, 0-10V, digital protocols) to control systems
    Material: Output drivers, isolation transformers, communication ICs
  • Amplifier Circuit
    Increases the weak electrical signal from the infrared detector to a level suitable for further processing
    Material: Semiconductor ICs, resistors, capacitors
  • Filter Network
    Removes electrical noise and interference from the signal to improve measurement accuracy and stability
    Material: Capacitors, inductors, resistors
  • Linearization Module
    Applies calibration algorithms or lookup tables to convert the non-linear radiation signal into a linear temperature reading
    Material: Microprocessor, memory (EEPROM/Flash)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Signal Processor.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Not applicable (electronic device, not exposed to process pressure)
other spec: Input signal range: 0-100mV to 0-10V, Output signal: 4-20mA, 0-10V, or digital protocols, Power supply: 12-24VDC, ±10%, Accuracy: ±0.1% of span, Response time: <100ms
temperature: -40°C to +85°C (operating), -55°C to +125°C (storage)
Media Compatibility
✓ Thermocouple signals (Type J, K, T, etc.) ✓ RTD signals (2-wire, 3-wire, 4-wire Pt100) ✓ Thermistor and resistance temperature detector inputs
Unsuitable: Direct immersion in corrosive liquids or high-vibration environments without proper housing
Sizing Data Required
  • Input sensor type and signal range (e.g., thermocouple type, RTD configuration)
  • Required output signal type and range (e.g., 4-20mA, 0-10V, digital protocol)
  • Environmental conditions (ambient temperature, humidity, electrical noise level)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal Drift/Instability
Cause: Thermal stress on internal components causing calibration drift, aging of analog components (capacitors, resistors), or power supply fluctuations affecting signal integrity.
Complete Signal Loss/No Output
Cause: Failure of critical integrated circuits (ICs) due to electrical overstress (EOS), solder joint fatigue from thermal cycling, or contamination-induced short circuits on the circuit board.
Maintenance Indicators
  • Intermittent or erratic output readings on connected displays or control systems, indicating unstable signal processing.
  • Audible high-frequency whine or buzzing from the unit, suggesting power supply or oscillator component failure.
Engineering Tips
  • Implement strict environmental controls: maintain stable ambient temperature and humidity within manufacturer specifications to minimize thermal stress and prevent condensation on internal boards.
  • Establish a predictive maintenance routine using calibrated test equipment to periodically monitor key performance parameters (e.g., signal-to-noise ratio, gain stability) and trend deviations before functional failure occurs.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
IEC 61000-6-2 Electromagnetic Compatibility CE Marking (EU Directive 2014/35/EU Low Voltage Directive)

Quoted from the published standard.

Manufacturing Precision
  • Signal Frequency Accuracy: +/-0.001%
  • Thermal Drift: +/-0.005dB over operating temperature range
Quality Inspection
  • Signal-to-Noise Ratio (SNR) Testing
  • Harmonic Distortion Analysis

Manufacturers of Signal Processor

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

BCST Group
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Jiangsu Sinton Group
Shanghai, CN
Founded 200120,000 sqm
EAC Ex CE ISO +1
Listed on the company's own website · profile compiled by CNFX from public sources
Xiamen Maxwell Automation Limited
Fujian, CN
Founded 2011
CE
Listed on the company's own website · profile compiled by CNFX from public sources
Yantai Wepower Electronic Co., Ltd.
Shandong, CN
Founded 2003
CE ROSH Reach Explosion-proof +3
Listed on the company's own website · profile compiled by CNFX from public sources
Cheemi Technology Co. Ltd.
Nanjing, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HollySys
Beijing, CN
Listed on the company's own website · profile compiled by CNFX from public sources
LEFOO Industrial Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
ORR Sensor Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shandong Friend Control System Co., Ltd.
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai Chenzhu Instrument CO., LTD.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai LEEG Instruments
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai Ziasiot Technology
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
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Frequently Asked Questions

What is the input signal range of the Signal Processor?

The input signal range is 0–10 mV, as listed in the reference parameters. However, this is a reference value and should be confirmed for the specific model and application with the manufacturer or supplier.

What is the accuracy of the Signal Processor?

The accuracy is ±0.05%, which includes linearity and stability. This is a reference value and must be verified for the actual model.

What is the operating temperature range?

The operating temperature range is -40–85 °C. This is a reference range; confirm with the manufacturer for the specific model.

What standards are referenced for isolation and ingress protection?

Isolation voltage is 1500 V AC per IEC 61010, and ingress protection is IP65 per IEC 60529. These standards are listed as verification references and do not imply certification of a specific product.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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