|
Model |
Internal Volume (L) | Inner Dimensions (W×H×D, mm) | Outer Dimensions (W×H×D, mm) | Temperature Range (°C) | Pressure Range (kPa) | Power (kW) |
Cooling Water (t/h) |
|
VTL360-40W |
360 | 600×750×800 | 110×900×1900 | -70 to 160 | Constant to 0.5 | 15 |
0.4 |
|
VTL720-40W |
720 | 800×900×1000 | 1310×2050×2200 | -70 to 160 | Constant to 0.5 | 20 |
0.4 |
|
VTL1000-40W |
1000 | 1000×1000×1000 | 2510×2150×2200 | -70 to 160 | Constant to 0.5 | 20 |
0.4 |
|
VTL2370-40W |
2370 | 1300×1300×1400 | 1810×2450×2650 | -70 to 160 | Constant to 0.5 | 28 |
0.4 |
Additional Specifications:
-
Temperature Fluctuation: ±0.3°C (constant pressure).
-
Temperature Deviation: ±2.0°C (constant pressure).
-
Pressure Deviation: ≤±0.1 kPa (≤2 kPa), ≤±5 kPa (2–40 kPa), ≤±2 kPa (≥40 kPa).
-
Temperature Rise Time: 25°C to 160°C ≤60 min (constant pressure).
-
Temperature Fall Time:
-
25°C to -65°C: ≤45 min (VTL360-40W), ≤60 min (VTL720-40W, VTL1000-40W), ≤90 min (VTL2370-40W) at constant pressure.
-
-
Pressure Drop Time: Constant pressure to 0.1 kPa (dry chamber): ≤20 min (VTL360-40W), ≤25 min (VTL720-40W), ≤30 min (VTL1000-40W), ≤45 min (VTL2370-40W).
-
Material: Inner chamber (SUS304 stainless steel), outer chamber (manganese steel with electrostatic powder coating), thermal insulation (vacuum-special composite pressure-bearing material).
-
Actuators: Magnetic coupling transmission axial fan, low-noise piston/scroll compressor, nickel-chrome electric heater.
-
Operating Environment: Temperature (5–36°C), Humidity (30–85%RH), Pressure (86–106 kPa).
-
Power Supply: 380V ±38V, 50Hz ±0.5Hz, 3-phase 4-wire with earthing protection.
-
Notes: Optional quick pressure relief; internal or external pressure options; humidity function available for VTH models.
Product Features
-
Customizable lead holes on both sides for apparatus placement.
-
Unique lever lock design for secure sealing.
-
Power supply control terminal for samples.
-
Triple independent over-temperature protection.
-
Observation window for monitoring test samples.
-
45° air vents with adjustable guide vanes for temperature uniformity.
-
Modular refrigeration, waterway, and electrical systems for safety and maintenance ease.
-
Stainless steel inner chamber (SS304) and manganese steel outer chamber with electrostatic coating.
Refrigeration System
-
Uses low-noise piston or scroll compressors (Copeland, Bock, or Bitzer).
-
Environmentally friendly refrigerants (R404A, R23) with zero ozone depletion.
-
Equipped with filtration devices for long-term reliability.
-
Intelligent control optimizes power consumption.
-
Modular production for easy installation, debugging, and maintenance.
-
Pipelines protected with nitrogen during welding, with varnish-coated weld joints.
Control System
-
Topect Touch-Type Controller: 7″ TFT true-color touch screen (800×480 resolution), PLC-based with temperature and humidity modules.
-
Features: Simplified Chinese/English interface, fixed and program modes with 50 sections and 32,000 cycles, USB interface for data export, RS485/LAN/GPRS for remote monitoring.
-
Data Acquisition: Stores 3 months of data (1-minute sampling), supports CSV export via USB, optional PC connection for real-time monitoring.
-
Safety Features: Fault alarm with cause and handling prompts, timed startup/stop, power failure protection, user permission, and screen lock functions.
Standard Configuration
-
Vacuum-special electric heating observation window, 1 lighting lamp, 1 multiple air charging valve, 1 sample power supply terminal, 2 sets of sample holders, 1 external pressure testing port, 2 Φ80 cable port holes.
-
Safety devices: Leakage switch, motor/compressor protection, phase sequence, over-temperature protection.
Optional Accessories
-
Vacuum sealing connector (aviation socket).
-
Communication port and software for remote control/data transmission.
-
Customizable lead holes (Φ50, Φ80, Φ100, Φ160).
-
Temperature recorder.
-
Movable temperature sensor.
-
Custom sample cart.
-
Special load-bearing sample holder and bottom plate.
-
Non-standard customized equipment.
