Composite Walls Apparatus
Product Code : EL-HTL-11078
The Composite Walls Apparatus from Lab Exports is a heat transfer lab setup that lets students determine the thermal conductivity and resistance of a composite wall built from mild steel, bakelite and brass/aluminium plates clamped together with a central heater.
Specifications
| Heater | Mica heater, 250 mm diameter |
| M.S. Plates | 25 mm thickness, 250 mm dia., 2 nos. |
| Bakelite Plates | 10 mm thickness, 250 mm dia., 2 nos. |
| Brass/Aluminium Plates | 15 mm thickness, 250 mm dia., 2 nos. |
| Dimmerstat | 2 A capacity |
| Measurement | Voltmeter and ammeter for input power; multichannel digital temperature indicator |
| Services Required | 230V AC stabilised supply with earthing; bench area 1m x 1m x 0.5m height |
Key Features
- Composite wall built from M.S., bakelite and brass/aluminium plates in series on either side of the heater
- Whole assembly clamped in a frame viewable through a Perspex sheet
- Thermocouple tappings allow conductivity and resistance calculation for the composite wall
- Voltmeter and ammeter measure input power to the central heater
- Multichannel digital temperature indicator reads temperatures at multiple points
- Dimmerstat allows controlled variation of heater input power
Applications
The Composite Walls Apparatus is used in heat transfer laboratories to study conduction through composite walls, helping students determine the overall thermal conductivity and resistance of a multi-layer wall assembly built from different materials.
Why Choose Lab Exports
Lab Exports is a trusted manufacturer and exporter of engineering lab equipment including a complete range of Heat Transfer Lab apparatus for engineering colleges and technical institutes. Every unit is built for classroom durability, measurement accuracy and long-term reliability, backed by responsive after-sales support.
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Frequently Asked Questions
Q1. What does the Composite Walls Apparatus measure?
It measures the thermal conductivity and resistance of a composite wall made from mild steel, bakelite and brass/aluminium plates.
Q2. How is temperature measured across the composite wall?
Thermocouple tappings connected to a multichannel digital temperature indicator measure temperature at various points.
Q3. How is heater input power measured?
A voltmeter and ammeter measure the input power supplied to the central mica heater.
Q4. What materials make up the composite wall?
The wall is built from M.S. plates, bakelite plates and brass/aluminium plates arranged in series on either side of the heater.
Q5. What utilities are required to operate the apparatus?
It requires a 230V AC stabilised supply with earthing connection and a bench area of approximately 1m x 1m x 0.5m height.
Request a Quote
For pricing, specifications or export documentation on the Composite Walls Apparatus, contact Lab Exports for a detailed quotation.