Programmable Control Temperature and Humidity Walk-In Test Chamber for PCBA Testing
1. Walk-In Type Temperature Test Chambers
A KOMEG Walk-In Chamber serves as a test space for large components, assemblies, and finished products like complete TV, displayer, plug, socket, mobilephone, etc.. KOMEG manufactures both Panel Walk-In Chambers and Solid Walk-In Chambers and can be configured as a temperature chamber or a temperature humidity chamber.
A Panel Walk-In Chamber is also called aging room, made from lightweight insulated panels for fast and easy installation. Usually for electronics temperature aging, like recharger, PCBA, Battery, LCD, scanners, monitors, LED, biological equipment, etc. Outside banding helps prevent leaking and keeps moisture out of the Walk-In Chamber and workspace temperatures steady.
Solid Walk-In Chambers are custom built to accommodate almost any size. Mostly we apply disassembled way, so the transportation will be easy and the freight will be cheap.
They feature welded walls creating an environmental room for applications requiring controlled temperature and humidity testing exceeding 85°C. Typically, for ease of installation, a Solid Walk-In Chamber works best in new construction buildings, areas with extremely large doors, or rooms where outside walls can be easily removed.
2. Walk-In Chamber Types Knowledge:
| Model | Temperature Range | Humidity Range | Temperature Change rate | Recommended Test / Application |
| Panel Walk-in Chamber | -60°C to +85°C | 20% to 95%RH | 1 to 2°C/min | Temperature Cycling Temp / Humidity Cycling / Storage Testing |
| Solid Walk-In Chamber | -60°C to +150°C | 20% to 95%RH | 4 to 5°C/min, or faster | Temperature Cycling
Temp / Humidity Cycling
Extreme Temp / Humidity Testing
Altitude Testing |
| Steady State Walk-In Chamber | -20°C to +50°C | 20% to 95%RH | N/A | Constant Temperature
Constant Temp / Humidity
Storage Testing |
3. Walk-In Chamber Main Technical Parameters
| Model | KMHW-17 |
| Volume(m³) | 35.2CBM |
| Interior Dimensions | W3900 x H2100 x D4300mm |
| Exterior Dimensions | W5050 x H2350 x D4500mm |
| Safety Devices(standard) | No fuse breaker, over pressure, over heat and over current protection for compressor, over temperature protection, over load protection for blower, dry heat protection |
| Standard accessories | Sight window*1, cable port ( portΦ50mm ) *1, chamber lamp*1, status indicator |
| Control System | Balanced Temperature & Humidity Control System |
| Refrigeration system | Water Cooled |
| Semi-hermetic compressor, single stage or cascade refrigeration system, |
| CFC free refrigerant ( HFC-507 and HFC-23 ) |
| Controller | Panel | 7-inch LCD Touch panel, Chinese or English display selectable |
| Operation model | Program or fix point running |
| Memory capacity | 120 programs,1200steps, all repeat 999 cycles,part repeat 99 cycles |
| Accuracy | Temp.:0.1% of F.S ± 1 digit Humidity:0.1% of F.S ± 1 digit |
| Input | Temp.: pt-100, Humidity: pt-100 or ～5V DCV |
| Comm.port | RS-232 or RS-485 ( Softawre is option) |
| Temp. range | Maximum: 80 ºC,120 ºC;
Minimum: -60 ºC, -50 ºC, -40 ºC, -30 ºC, -20 ºC, -10 ºC, 0 ºC |
| Humidity Range | 10%, 20%, 30% ~ 95% |
| Temp. constancy | ±0.5 ºC |
| Humidity constancy | ±2.5%R.H |
| Temp. uniformity | ±2.0 ºC |
| Humidity uniformity | ±5.0%R.H |
| Ambient Temp. | +5 ºC～+35 ºC |
| Wiring method | AC 380 ± 10% 50Hz ,3 phase 4 wires + Ground Wires |
| Heat up time | +20 ºC～+80 ºC, Within 60 min |
| Pull down time | +20 ºC ~ -55 º, -40 ºC, -20 ºC, -10 ºC, Within 120 or 90 or 60 min |
| Interior material | Stainless Steel Plate(SUS 304) |
| Exterior material | Baked Painting Steel Or Stainless steel ( SUS304) |
| Insulation material | Rigid polyurethane foam |
| Door size (mm) | Single wing: W800 x H1800; Double wing: W1600 x H1800; |
| Note:1. We reserve the right to change specifications without prior notice 2.Customized sizes and configurations available |
4. KOMEG Temperature Humidity Test Chamber Features:
The refrigerating system is the core/heart part of the test chamber.
For enhance the whole refrigerating system performance, we use professional and advanced copper tube bending machine, this can decrease the welding points over 50%, and decrease right-angles of the tube, Also less welding points can reduce the resistance when the liquid flowing inside, to keep compressor working in higher efficiency, and better energy-saving.
And for welding the copper tube, we use Liquid Nitrogen protection welding technology, this can better protect the tube and keep the cooling system clean.
All this will do good to the compressor.
We use GEA Bock semi-hermetic compressor. According to our over 20 years experiences in this climatic test chambers field, GEA Bock Compressor has excellent performance in refrigerating effect and running stability; has good noise control, also energy-saving.
Widest test range, most customizable
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