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Environmental test chambers IEC 60068-2-13 Low pressure tests

Environmental test chambers IEC 60068-2-13 Low pressure tests
Shanghai linpin instrument stock co., ltd (Lenpure) established in 1998 and 21years from now on. In the competitive market environment. Lenpure is still maintained a good trend and own the largest production base in China experienced unknown process. Lenpure is a only joint-stock high-tech enterprise in Shanghai and possess more than 30 patents,9 software copyrights and CE certification with independent import and export rights.
Lenpure environmental altitude test chambers give the maximum durability and performance for your most demanding test requirements, which can meet IEC 60068-2-13 test standard and other more international test standards. It is the necessary test equipment for aviation, aerospace, automotive, electronics, military and solar panel industry etc.
It can be used to test and determine the parameters and performance of electrical, electronic products and materials in the most extreme temperature and humidity conditions. Lenpure temperature low pressure test chamber has incomparable features that other Chinese manufacturers.
●Programmable Touch Screen Controller
●Custom Sizes Available

●Running Time Meter
●Wide Temperature and Humidity Ranges

●Capable of Handling Extreme Temperature and Humidity
●High Performance Even Under Load

●Incandescent Interior Lighting
●Modular,Robust Reliable Construction

●Stainless Steel Interior
●Painted Galvanized Steel Exterior For Long Life

●Heavy-duty Flooring to Support Vehicles
●Mechanical Cooling

●Comprehensive Safety Features
●Refrigeration Gauges

●Refrigeration Sound Deadening Package
●Low or Zero Ozone Depletion Refrigerants

●All Circuits Fused or Circuit Breaker Protected
●All Wiring Numbered or Color Coded

●Compressor Overload Protection
●Prefabricated for On-Site Installation
Those specifications and parameters can be customized or provide as our standard chambers below for your reference.

Sizes of Temperature Humidity Altitude Chambers
Model Volume (L) Temperature Range(°C) Humidity Range (R.H) Internal Dimension (mm) D*W*H External Dimension (mm) D*W*H
LRHS-101B-LF 101
A: -20~150°C
B: -40~150°C
C: -60~150°C
D: -70~150°C
20%~98% R.H
or customized
450*450*500 1500*1120*1930
LRHS-225B-LF 225 500*600*750 1550*1270*2160
LRHS-504B-LF 504 700*800*900 2000*1470*2290
LRHS-800B-LF 800 800*1000*1000 1900*1560*2550
LRHS-1000B-LF 1000 1000*1000*1000 1560*1550*2170
Note: In the Model, the number means volume of test chamber's working room, and ABCD means the temperature range.
For example, model LRHS-101A-LF means the volume of this test chamber is 101L, and its temperature range is -20°C~+150°C. LRHS-225C-LF means the volume is 225L and the temeprature range is -60°C~+150°C
Basic Specification   
Performance Temperature Range A: -20~150°C, B: -40~150°C, C: -60~150°C, D: -70~150°C, E : or customized
Temperature Fluctuation ±0.5°C ( without load )
Temperature Uniformity ±2.0°C ( without load )
Ramp Rate ﹣25°C~100°C≤50min (100kPa, without load )
25°C~-20℃ ≤40min    ( 100kPa,without load )
Pressure Atmospheric pressure ~0.5kPa
Depressureization time Atmospheric pressure ~0.5kPa≤45min
Humidity Range 20%~98% R.H
Humidity Fluctuation ±2%
Humidity Fluctuation ﹢2%  -3% R.H 
Material External Casing Cold-rolled A3 (Q235) steel plates with plastics painted. 
Interior Working Room Stainless Steel Plates SUS304 with mirror surface
Heat Isolation Polyurethane foams and fine glass fibers
Illumination Lamp Philips® one in per standard test chamber.
Casters 4pcs, with PU covered for protection. Height adjustable and direction universal. 
Viewing Window Multi-layer hollow toughened glass with conductive films for heating to defrost
Door Manually operated sliding 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)
Condenser Plate-type heat exchanger
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, Specimen Holder Shelf x 2, 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 Environmental for application 5°C~+30°C ≤ 85%R.H

The IEC 60068-2-13 test standard request pressure range can achieve should include a tolerance of ±5%, or a tolerance of ±0.1 kpa, as follows. A tolerance of ±0.2 kpa is allowed when the pressure is at 84kpa.

In the course of the experiment, the test sample should be electrified.
For heat dissipation samples, the relevant specifications may require the sample to be opened before or after the reduction of air pressure and functional tests and / or measurements, and sufficient time to achieve thermal stability.
When the pressure returns to normal pressure. In accordance with the requirements of the relevant specifications, the rate of change of air pressure shall not exceed 10kpa / min.
If not specified in the relevant specifications, the test shall be carried out at standard atmospheric pressure for 1 to 2 hours. In accordance with the requirements of the relevant specifications, visual testing and other testing.
For more details, please feel free to contact sales@lenpure.com
Please visit www.lenpure.com