| Sizes of Walk-In Temperature (& Humidity) Chamber |
|
Model
|
Volume (L)
|
Temperature Range
(°C)
|
Internal Dimension (mm) D*W*H
|
External Dimension (mm) D*W*H
|
|
LRHS-3800C-LJS
|
3800
|
A: -20～150°C
B: -40～150°C
C: -60～150°C
D: -70～150°C
E: or customized
|
1350*1250*2250
|
2780*1750*2850
|
Note: In the Model, the number means volume of Walk-In Temperature (& Humidity) Chamber's working room, and ABCD means the temperature range.
For example, model LRHS-3800A-LJ means the volume of this test chamber is 3800L, and its temperature range is -20°C~+150°C. LRHS-3800C-LJ means the volume is 3800L and the temeprature range is -60°C~+150°C |
| Basic Specification |
|
Performance
|
Temperature Range |
-60℃～100℃ |
| Temperature Fluctuation |
≤±2.5%RH |
| Temperature Uniformity |
±2.0°C |
| Humidity Range |
30%～98% RH |
| Humidity deviation |
>75%RH,≤+2/-3%RH; <75%RH,≤±5%RH |
| Ramp Rate |
1℃～3℃/minfor heating (non-linear, based on on-load)
2℃/min for cooling (non-linear, based on on-load)
Note: can be customized as per requirement |
|
Material
|
External Casing |
Cold-rolled A3 (Q235) steel plates with plastics painted. |
| Interior Working Room |
Stainless Steel Plates SUS304 with miror surface |
| Heat Isolation |
150mm Polyurethane foams and fine glass fibres |
| Illumination Lamp |
Philips® one in per standard test chamber. |
| Viewing Window |
Multi-layer hollow toughened glass with conductive films for heating to defrost |
| Door |
Manually operated sliding double door with unlock button |
|
Heating & Cooling System
|
Heater |
Steipped Nickel-chromium Wire Heater |
| Air Blower |
Anti-temperature stainless fan blades with low noise |
| Compressor |
Hermetically-sealed Techmesh® or semi-sealed Bitzer® or GEA® or equivalent compressors |
| Cooling Method |
Single or dual cooling (Air-cooled or Water-cooled) |
| Refrigerant |
R404A or/and R23 (eco-friendly) |
|
Control System
|
Controller |
7" Programmable colorful touch-screen display
LCD English Display
Microcomputer integrated controller |
| Functions |
Data Record (Max 600 days x 24hrs), History Curve, USB data download & upload, Remote controlling through PC, Automatic protection alarms, etc. |
| Program |
1~1000 programs, 1~999 steps for per program, Max 99hrs 59mins for per program. 10 programs can be interlinked. |
| Temperature Sensor |
Platinum Resistance.PT100Ω |
| Running Model |
Constant/Fix-value Model and Programmable Model |
| I/O Interface |
Communicate port (RS485) to connect test chamber to a PC |
| Standard Configuration |
Test Chamber x 1, φ100mm Cable Access Port x 1 with 1 soft plug, EMO x 1, Tri-color Indicator x 1, etc. |
| Safety Protection |
Power leakage protection/Compressor over-heat, over-load or over-current protection/Dry burning protection. |
| Voltage |
380V/440V±10%, 50Hz/60Hz or as per requirement |
| Ambient Enviromental for application |
5°C～+30°C ≤ 85%R.H |
| Test Standards (not limited to) |
|
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