Italian CLIMATIC CHAMBER
DOT TCEM-40+125 | 1.5 m³ – 2.7 m³
High-performance climatic chamber designed for thermal and climatic testing of electric motors, power train systems and mechanical assemblies operating under dynamic load conditions.
The TCEM platform is available in 1.5 m³ and 2.7 m³configurations,maintaining the same structural architecture and control philosophy, with dimensions and installed power scaled according to the required volume.
It is specifically developed for automotive validation and R&D environments where high thermal gradients, precise humidity control and directinte gration with dynamometer test benchesare required.
Volume and Dimensions
2.7 m³Configuration
Internal usable dimensions:
1400 × 1400 × 1400 mm
External dimensions(indicative):
2000 × 1700 × 2350 mm
Machine room dimensions:
1400 × 1600 × 2000 mm
1.5 m³Configuration
Internal dimension sand overall foot printvary proportionally according to the selected volume.
The structural concept, control architecture and performance philosophy remain unchanged.
Structural Architecture
Welded internal structure in AISI 304stainlesssteel
Twin couple dhalf-shell configuration
Total insulationthickness: 150 mm
100 mm PUR
50 mm rock wool
Reinforced insulated floor with stainless omega profiles
Technical compartment separated from test volume
Prepared for anchoring to seismic mass
Optional 30 mm stainless base plate for high torque applications
The twin-shell concept all owsfull access to the DUT and significantly reduces setup time compared to conventional walk-inchambers.
Thermal Performance
Temperature range: −40 °C to +120 °C
Linear temperature gradient: 4 K/min
(validated with 400 kg load and 15 kW dissipation according to IEC 60068-3-5)
Temperature stability over time: ±0.5 °C
Admissibleheatdissipationat−40 °C: 10 kW
Cascade refrigeration option:
Dissipation up to 25 kWat−40 °C
Optimized electrical consumption
Maintains4 K/min gradient across extended range
Climatic Performance
Climatic operating range: +10 °C to +90 °C
Relative humidity range: 20 % to 95 % RH
Humidity accuracy: ±1 % to ±3 % RH
Dewpoint control according to project climatogram
Air Treatment System
Internal wall-mounted air handling unitin cluding:
Direct heat exchanger
Dehumidification coil
Armored electric heater swith surface protection< 230 °C
Steam humidification generator
PT1000 temperature probe
Capacitive humidity probe
Airflow is dimensioned to ensure optimal uniformity through out the entire usable volume.
Refrigeration System
Two-stage Dorin compressor system
Water-cooledcondenser
Designedin compliance with:
PED 2014/68/EU
Machinery Directive 2006/42/EC
EN 378
Chiller water consumption(2.7 m³configuration):
18 m³/h (7 °C IN – 12 °C OUT)
Cascade option:
High stage refrigerant: R449A
Low stage refrigerant: R23
Installed power: 66 kW
Maximum absorbed power: 40 kW
Climatic mode absorbed power: 27 kW
Control System
DOT PLC platform with proprietary ClimaLogic®software:
Up to 500programswith 20 step seach
Macro cycle concatenation
8auxiliarydigitaloutputs
Data loggingin CSV format
USB export
Ethernet connection
Modbus TCP/IP protocol
Remote monitoring via VNC
Integrated preventive maintenance management
Three access levels:
Operator
Supervisor
Service
Safety Systems
Continuous nitrogeninerting system
Internaland ambient oxygen monitoring
Automatic door interlock based on O₂thresholds
Over pressure flap (250 Pathres hold)
Heater over temperature protection with SIL relay
Optical-acoustic status indicator tower
Applications
Electric motor validation
Power train durability testing
High-torque dynamic testing
Automotive drive train development
Advanced R&D activities
Structural Architecture
AISI 304 stainless steel structure
Coupled half-shell configuration for full chamber accessibility
High-thickness insulated sandwich panels
Dedicated technical compartment separated from the test volume
Prepared for mechanical interfaces and technical pass-throughs
Structure engineered for dynamic loads and seismic anchoring
The architecture allows rapid installation of motor-transmission assemblies and reduces setup time compared to conventional walk-in 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 powertrain systems
The system ensures stable and repeatable thermal cycles under dynamic mechanical testing conditions.
Climatic Performance
Relative humidity control up to 95 % RH
Climatic operating field: +10 °C to +95 °C
Accurate temperature and humidity regulation
Dew point management according to project climatogram
Refrigeration System
Direct expansion refrigeration circuit
Industrial high-efficiency compressors
Water-cooled condenser configuration
Refrigeration system dimensioned for continuous operation within extended operating range
Control System
DOT PLC platform with proprietary CliMaLogic® software:
Multi-step programmable thermal and climatic cycles
Real-time monitoring of temperature and humidity
Integrated data logging
Ethernet / TCP-IP connectivity
Compatible with external supervision and test bench systems
Safety and Compliance
Safety interlock systems
Heating and refrigeration protection devices
Continuous monitoring of critical parameters
Designed in compliance with applicable European directives
Applications
Validation of electric motors and complete e-powertrain assemblies
Functional and endurance testing
Transmission and drivetrain development
Automotive validation programs
Research and development activities
Custom Configurations
The TCEM platform can be configured according to:
Required internal volume
Operating temperature and humidity ranges
Thermal dissipation levels
Integration with dynamometer benches
Applicable automotive and industrial standards
