Psychrometrics & Airflow
Air Conditioner Training System
A transparent-duct air-conditioning trainer for airflow, humidity, enthalpy, superheat, subcooling and COP experiments.
Reference rendering only. Final appearance is subject to confirmed specifications.
Product Overview
PsychrometricsHumidity SensorsVariable AirflowUSB
Key Features
- Benchtop Duct Design: Min dimensions 590 mm (D) x 1015 mm (W) x 900 mm (H), featuring an integrated air duct housing the direct expansion evaporator coil.
- Differential Airflow Instrumentation: Relative humidity and temperature sensors are installed both upstream and downstream of the evaporator to analyze air enthalpy changes.
- Controlled Forced Air Flow: Equipped with a small variable-speed fan providing adjustable airflow across the duct evaporator coil.
- Refrigeration Circuit Transducers: Includes high/low pressure gauges, electronic pressure transducers, pressure switch, sight glass, filter dryer, and Thermostatic Expansion Valve (TEV).
- Circuit Thermal Sensors: Minimum 4 thermocouples positioned across the refrigeration circuit to calculate superheating and sub-cooling.
- Color-Coded Circuit & LCD Screen: Internationally color-coded piping with onboard LCD display showing live measured parameters.
- Integrated Workstation: Complete with USB Data Acquisition System, Psychrometric and P-h charting software, branded Desktop PC, and Offline UPS.
Technical Specifications
| Benchtop Frame Footprint | Min. 590 mm (D) x 1015 mm (W) x 900 mm (H) |
|---|---|
| Air Conditioning Duct Unit | Transparent duct containing evaporator coil and upstream/downstream RH & temperature sensors |
| Airflow Fan Assembly | Variable-speed fan with manual airflow rate control |
| Refrigerant Type | R134a or equivalent |
| Safety Pressure Trips | Low Side: Pressure 1 bar, Differential 1 bar; High Side: Pressure 14 bar, Differential 4 bar |
| Operating Temperature Range | +5C to +30C |
| Operating Relative Humidity | Min. 80% at temperatures <30C |
| Acoustic Sound Levels | Max 75 dB within 200 mm of fan; < 70 dB(A) at 400 mm distance |
| Power Supply | Single Phase, 220 - 240 VAC, 50Hz |
| Standards Compliance | Manufactured in accordance with latest European Union (EU) directives |
Experiment Capabilities
- Mastery and application of Psychrometric Charts in air conditioning analysis.
- Determination of enthalpy change in the airflow across the duct evaporator coil.
- Application and plotting of Pressure-Enthalpy (P-h) Charts.
- Determination of superheat and sub-cooling levels.
- Determination of Coefficient of Performance (CoP) for air conditioning cycles.
- Determination of isentropic and non-isentropic compression stage efficiencies.
- Investigation of the effect of airflow rate variations on system CoP.
Standard Accessories
Onboard USB Data Acquisition System with software, Branded Desktop PC (HP/Dell/Lenovo, Intel Core i5, 8GB DDR4, 1TB HDD), Min. 18.5-inch HD Monitor (1366 x 768), USB Keyboard and USB Optical Mouse, Offline UPS System (Min. 650VA, 10 min backup), Printed operation and experiment manual