Editorial Technical Reference

Thermal Control System

This page explains how Thermal Control System is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A subsystem responsible for precise temperature regulation within the Integrated Calibration Chamber.

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Product Specifications

Technical details and manufacturing context for Thermal Control System

Definition
The Thermal Control System is a critical component of the Integrated Calibration Chamber, designed to establish, maintain, and precisely regulate the internal environmental temperature to meet specific calibration standards. It ensures thermal stability and uniformity across the chamber's workspace, which is essential for the accurate calibration of sensors, instruments, or components sensitive to temperature variations. The system operates within a temperature control range of 5–80 °C, with a temperature accuracy of ±0.1 °C maintained across the entire range. It provides heating capacity of 3–6 kW and cooling capacity of 2–5 kW, enabling a temperature ramp rate of 1–3 °C/min. The system is designed for an operating pressure of 1.0–1.6 MPa and requires a three-phase 380 V AC ±10% supply (50/60 Hz). Total power consumption, including controls, is 8–12 kW. Control accuracy is ±0.5% FS, and the sensor type is a PT100 Class A platinum resistance thermometer (per IEC 60751). The housing is made of stainless steel (grade 304 per ASTM A240), with copper heat exchangers, ceramic insulation, and silicon-based control electronics. The unit weighs 150–250 kg and has approximate dimensions of 800×600×1200 mm (W×D×H). It is rated IP54 (per IEC 60529) for protection against dust and water splashes. The system uses sensors (e.g. thermocouples, RTDs) to monitor internal temperature, feeding data to a controller (e.g. PID) that compares it to a user-defined setpoint and modulates heating or cooling elements to maintain the target temperature within tight tolerance. For selection, verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The system monitors the chamber's internal temperature using sensors such as thermocouples or RTDs. This data is sent to a controller (e.g. PID) which compares it to a user-defined setpoint. The controller then modulates the output to heating elements (e.g. resistive heaters) or cooling mechanisms (e.g. refrigeration units, Peltier coolers) to add or remove heat as needed, maintaining the target temperature within a tight tolerance. The control loop achieves an accuracy of ±0.5% FS, and the PT100 sensor provides precise feedback. The system is designed for rapid temperature changes with a ramp rate of 1–3 °C/min, supported by heating and cooling capacities of 3–6 kW and 2–5 kW respectively. The operating pressure range is 1.0–1.6 MPa. The system requires a three-phase 380 V AC ±10% supply and consumes 8–12 kW total power. For verification, confirm model-specific performance and standards with the manufacturer.
Common Materials
Stainless Steel (housing), Copper (heat exchangers), Ceramic (insulation), Silicon (control electronics)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Temperature Control Range5–80 °COperating range for the thermal control system
Temperature Accuracy±0.1 °CMaintained across the entire control range
Heating Capacity3–6 kWSufficient for rapid temperature ramp-up
Cooling Capacity2–5 kWEnables temperature ramp-down at specified rate
Temperature Ramp Rate1–3 °C/minMaximum rate for heating and cooling
Supply Voltage380 V AC ±10% VThree-phase, 50/60 Hz
Power Consumption8–12 kWTotal system power including controls
Control Accuracy±0.5 % FSFull scale accuracy of the control loop
Sensor TypePT100Class A platinum resistance thermometerIEC 60751
MaterialStainless Steel 304Corrosion-resistant for chamber environmentASTM A240
Weight150–250 kgDepending on configuration and options
Dimensions (W×D×H)800×600×1200 mmApproximate footprint for standard unit
IP RatingIP54Protected against dust and water splashesIEC 60529

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
  • Temperature Controller
    Processes sensor input, compares it to the setpoint, and outputs signals to the heating/cooling actuators.
    Material: Electronic components (PCB, semiconductors)
  • Heating Element
    Converts electrical energy into heat to raise the chamber temperature.
    Material: Nickel-chromium alloy (resistance wire)
  • Cooling Unit
    Removes heat from the chamber to lower the temperature, often via a refrigeration cycle.
    Material: Copper (coils), Aluminum (fins), Refrigerant
  • Temperature Sensor(s)
    Measures the actual temperature within the chamber and provides feedback to the controller.
    Material: Platinum (RTD), Nickel-alloy (Thermocouple)
  • Circulation Fan
    Promotes air movement within the chamber to ensure temperature uniformity and efficient heat transfer.
    Material: Aluminum alloy (blades), Steel (motor housing)

Applied To / Applications

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

Integrated Calibration Chamber
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Automated Test Handler
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Semiconductor Test Handler
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
flow rate: 0.5 to 20 L/min
temperature: -40°C to +150°C
slurry concentration: 0 to 30% solids by weight
Media Compatibility
✓ Deionized water ✓ Thermal oil (e.g., Syltherm XLT) ✓ Ethylene glycol/water mixture (50/50)
Unsuitable: Corrosive chemical environments (e.g., strong acids, chlorides)
Sizing Data Required
  • Required heat load (kW)
  • Desired temperature stability (±°C)
  • Available cooling water supply temperature (°C)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fouling and Scaling
Cause: Mineral deposits, biological growth, or particulate accumulation on heat exchange surfaces due to poor water quality, inadequate filtration, or improper chemical treatment, reducing heat transfer efficiency and increasing pressure drop.
Corrosion and Pitting
Cause: Electrochemical degradation of metal components (e.g., pipes, heat exchangers, pumps) caused by aggressive water chemistry (low pH, high chloride content), galvanic couples, or microbiologically influenced corrosion (MIC), leading to leaks and structural failure.
Maintenance Indicators
  • Abnormal temperature fluctuations or inability to maintain setpoint despite continuous operation
  • Unusual noises (e.g., knocking, grinding, or cavitation sounds) from pumps, valves, or piping, or visible leaks, corrosion, or steam/water vapor escaping from joints
Engineering Tips
  • Implement a comprehensive water treatment program with regular chemical analysis and dosing to control scaling, corrosion, and biological growth, and install proper filtration (e.g., side-stream or automatic backwash filters) to remove particulates.
  • Establish a predictive maintenance regimen using vibration analysis for rotating equipment (pumps, fans), infrared thermography for heat exchangers and electrical components, and ultrasonic leak detection for valves and steam traps to identify issues early.

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
ANSI/ASHRAE 90.1 - Energy Standard for Buildings Except Low-Rise Residential Buildings CE Marking - EU Directive 2014/35/EU (Low Voltage Directive)

Quoted from the published standard.

Manufacturing Precision
  • Temperature Control Accuracy: +/-0.5°C
  • Flow Rate Variation: +/-2% of rated capacity
Quality Inspection
  • Thermal Performance Test (e.g., ISO 5151 for cooling capacity)
  • Leak Test (e.g., Pressure Decay or Helium Mass Spectrometry)

Manufacturers of Thermal Control System

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

Wewon Environmental Chambers Co. Ltd.
Guangdong, CN
Also makes: Environmental Test Chamber, Environmental Chamber, Environmental Stress Screening Chamber and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources
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Frequently Asked Questions

What is the temperature control range of the Thermal Control System?

The system operates within a temperature control range of 5–80 °C, as listed in the directory reference. This range must be confirmed for the specific model and application with the legal manufacturer or supplier.

What sensor type is used for temperature measurement?

The system uses a PT100 Class A platinum resistance thermometer, per IEC 60751. This sensor provides accurate temperature feedback to the control loop.

What are the heating and cooling capacities?

The heating capacity is 3–6 kW, and the cooling capacity is 2–5 kW, enabling a temperature ramp rate of 1–3 °C/min. These values are directory references and should be verified for the actual configuration.

What is the required power supply?

The system requires a three-phase 380 V AC ±10% supply at 50/60 Hz. Total power consumption, including controls, is 8–12 kW. Confirm electrical requirements with the manufacturer.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

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

Preliminary Technical Classification
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