Italian CLIMATIC CHAMBER + ACU
DOT TCEM-40+125 | 1.5 m³ ACU
Modular climatic system composed of a Climatic Chamber Boxand a separate ACU (Air Conditioning Unit),designed for thermal and climatic testing of electric motors and integrated power train systems connected to anexternal dynamometer.
Volume and Dimensions
Usablevolume:1500 L
Climatic Chamber Box
Internal usable dimensions: 1200 × 1100 × 1150 mm
External dimensions: 1440 × 1400 × 1600 mm
ACU –Conditioning Unit
External dimensions: 2500 × 2200 × 2400 mm
Approximate weight: 1500 kg
The Box and ACU are connected via flexible airducts(maximum length 5masper project configuration).
Thermal Performance
Temperature range: −40 °C to +125 °C
Linear temperature changerate :approx. 4 K/min (without heatload)
Temperature deviation over time: ±1 K
Climatic mode temperature deviation: approx. ±0.5 K
Admissible heatload: 6 kW @ 20 °C
Recirculating air volume: 3000 Nm³/h
Climatic Performance
Climatic operatin grange: +10 °C to +95 °C
Relative humidity range: 10 % to 95 % RH
Humidity deviation over time:approx. ±3 to ±5 % RH
Dewpoint range: +7 °C to +89 °C
Refrigeration System – ACU
Two-stage refrigeration system with Dorin 30 HP compressor
Refrigerant: R452A
Water-cooled condenser
Installed power: 52 kW
Power supply: 400 V ±10 % – 50 Hz – 3/N/PE
Sound pressure level: < 75 dB
Cooling water requirements:
Max.consumption: 7 m³/h
ΔT: 10 °C
Inletwater temperature: +15 °C
Control System
DOT PLC platform with proprietary ClimaLogic®software:
Up to 50programswith 20 step seach
Macro cycle concatenation
8auxiliarydigitaloutputs
Data loggingin CSV format
USB export
Ethernet connectivity
Modbus TCP/IP communication
Remote access via VNC
Integrated preventive maintenance management
Applications
Electric motor validation
Combined motor + dynamome tertesting
Functional and durability powertrain testing
Auto motived evelopment and R&D activities
Structural Architecture
AISI 304 stainless steel structure
Coupled half-shell configuration
High-thickness insulated sandwich panels
Dedicated technical compartment
Prepared for technical pass-throughs and test bench interface
Structure designed for dynamic loads and seismic mass anchoring
The configuration allows full access to the test chamber and reduces setup time compared to traditional climatic chambers.
Thermal Performance
Temperature range: −40 °C to +125 °C
Temperature variation rate up to 4 °C/min
Thermal stability over time up to ±0.5 °C
Designed to manage typical dissipation loads of electric motors and transmission systems
The system ensures repeatability of thermal cycles even under variable thermal loads.
Climatic Performance
Relative humidity control up to 95 % RH
Climatic operating field: +10 °C to +95 °C
Accurate control of temperature and humidity
Dew point management according to project climatogram
Refrigeration System
Direct expansion refrigeration circuit
High-efficiency industrial compressors
Water-cooled condensation
System dimensioned to guarantee stability across the extended operating range
Control System
DOT PLC platform with proprietary CliMaLogic® software:
Multi-step cycle programming
Real-time parameter monitoring
Integrated data logging
Ethernet / TCP-IP integration
Compatible with laboratory supervision systems
Safety and Compliance
Safety interlocks
Heating and refrigeration protection systems
Critical parameter monitoring
Designed in compliance with applicable European directives
Applications
Electric motor validation
Powertrain functional testing
Transmission system testing
Automotive development and validation
R&D activities on high-efficiency components
Custom Configurations
The TCEM platform can be fully configured according to:
Internal volume
Operating ranges
Thermal dissipation
Test bench integration
Applicable test standards
