5124-HD Wheelchair high and low temperature environmental test chamber
EQUIPMENT DETAILS
1. Structure
1.1 Cooling System
- The refrigerating system equips Germany Bock, and uses environmentally friendly refrigerant (R404a). Adopting binary low temperature circuit system design, it is convenient to use different compressors for work in different temperature regions.
- Temperature and humidity control using P.I.D + S.S.R system coordinated control with the same channel. It has the function of automatic calculation, which can immediately modify the temperature and humidity change conditions to make the temperature and humidity control more accurate and stable.
- High-precision controllers of temperature and humidity. The relative temperature and humidity performance is accurately set and displayed with a resolution of 0.1 ℃.
1.2 Temperature and Humidification System
- Temperature system using Nickel-chromium alloy high-speed heating electric wire;
- High temperature system is completely independent;
- The humidity system using stainless steel tube built-in nickel-chromium alloy high-speed heating electric wire and high-temperature magnesium oxide powder, which has fast response and long life;
- The temperature and humidification system is completely independent, and humidity has automatic water supplement device.
1.3 Control System
Temp. & Humid. Sensor | High precision PT100 Platinum resistance |
Controller | Weintek |
Display Function | - Temp. & humid. Setting (SV) Practical (PV) value can be displayed directly
- Display numbers, paragraphs, remaining time and cycles, running time
- Program editing and graphic curve display,
- Fixed or program operation status display,
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Interface | - RS-232 or R485 port design
- Connected to computer
- Monitor and remote control by computer and Ethernet optional
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1.4 Protection System
- Protection for Electrical leakage
- Over-temperature
- Compressor overvoltage and overload
- Heater short circuit
- Water shortage
2. Main Technical Parameters
2.1 Capacity and Material
Internal dimension(W*D*H) | 1200*2500*1500mm |
External dimension(W*D*H) | 2500*3000*2500mm |
Internal material | 1.2mm thickness SUS#304 stainless steel, mirror finished; |
External material | 1.2mm thickness cold-rolled steel plate baking |
2.2 Temperature
Temperature range | -40℃ ~ + 100℃ |
Temperature fluctuation | ±0.5℃ |
Temperature uniformity | ≤2℃ |
Temperature rate | 1℃/min in average (without loading) |
3℃/min in average (without loading) |
2.4 Power Supply
Power source | Three-phase, 380V,50Hz |
Power | 3 kw |
Current | 18 A |
Weight | Approx. 360kg |
2.5 Cooling System and Others
Compressor | Semi-Hermertically Sealed Germany Bock compressor |
Refrigerant | R449A |
Cooling method | Single-stage compression |
Cooling method | Air-cooled flake condenser, cooling fan for heat dissipation |
Heating system | Nichrome stainless steel heater |
Sample tray | SUS#304 stainless steel 2 pieces |
Testing hole | Diameter 50mm*2, Located left and right side, for sample connecting |
Evaporator | Finned tube heat exchanger |
Dry filter | Absorb the residual moisture and acidic substances in the refrigerant of the refrigeration system, and filter out solid particles, copper shavings, etc. in the system to protect the normal operation of the expansion valve and capillary tube, and prevent ice blocking and dirty blocking. |
Door handle | Non-reaction, explosion-proof door handle, easy to operate, safe and reliable |
Insulation | 100mm polyurethane rigid foam and 100mm high density glass fiber cotton |
