Programmable Climatic Testing Equipment and Constant Temperature and Humidity Test Chamber
RT-301 Constant temperature and humidity test chamber. It is also known as a simulated environment tester, and its reliability, accuracy and stability are very important.
The RIGHT company produces automatic constant temperature and humidity test chamber is to customer satisfaction for the purpose of product quality and durability for the purpose of accumulating many years of rich experience in manufacturing, extensive absorption of user comments, after many technical improvements of excellent products, the choice of components of high reliability, good quality, can guarantee the reliability of various products testing, stability and accuracy, so users can rest assured that use.


Model
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RT-301-80
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RT-301-150
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RT-301-225
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RT-301-408
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RT-301-800
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RT-301-1000
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Chamber
WxDxH (cm)
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40x40x50
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50x50x60
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60x50x75
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80x60x85
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100x80x100
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100x100x100
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Temperature range
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-70℃~+100℃(150℃)
(A:+25℃, B:0℃ , C:-20℃, D:-40℃, E:-50℃, F:-60℃, G:-70℃)
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Humidity range
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20%~98%R.H.(10%-98%R.H/5%~98%R.H is the specific codition)
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Accuracy/ uniformly
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±0.1℃;±0.1%R.H./ ±1.0℃;±3.0%R.H.
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Accuracy / volatility
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±1.0℃;±2.0%R.H./ ±0.5℃;±2.0%R.H.
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Heating / cooling time
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About 4.0℃/min;about 1.0℃/min(5~10℃/mm is the specific condition)
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Inside material
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Stainless steel SUS 304#
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Insulation material
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High-temperature high-density amino acid ethyl ester foam insulation materials
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Cooling system
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Air-cooled/ single-stage compressor(-20℃) ,wind, water cooled/two-stage compressor(-40℃~-70℃)
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Protection
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Compressor overload switch, high and low pressure protection switch, over-humidity-temperature protection switches, fuses, warning
system
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Accessories
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recorder(purchase),view window,50mm testing hole,PL lamp,clapboard,Dry and wet gauze ball
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Controller
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TEMI300 digital controller from South Korea
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Compressor
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France “Taikang”
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Power
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1Φ 220VAC±10% 50/60Hz & 3Φ 380VAC±10% 50/60Hz
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Machine size
WxDxH (cm)
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58x108x138
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68x118x148
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78x118x161
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98x128x173
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118x149x188
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118x169x188
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Applicable industries:
Applied to test the products quality, such as electronic, plastic products, electrical appliances, instruments, food, vehicles, metals, chemicals, building materials, aerospace, medical care … and so on.
IEC68-2-03_test method Ca_Steady damp-heat
IEC68-2-01_test method A_cold
IEC68-2-02_test method B_dry heat
2. Military Standards:
MIL-STD-810F-507.4 humidity
MIL-STD-810F-501.4 high temperature
MIL-STD-810F-502.4 low temperature
MIL-STD883C test method 1004.2 temperature and humidity cycling test
MIL-STD810D test method 502.2
MIL-STD810 test method 507.2 procedure 3
3. Japanese Industrial Standard:
JIS C60068-2-3-1987 test method Ca: Steady damp-heat
JIS C60068-2-2-1995 test method B:dry heat
JIS C60068-2-1-1995 test method A:low temperature
4. USA Semiconductor Industry Standard:
JESD22-A101-B-2004 Constant temperature and humidity test
JESD22-A103-C-2004 High Temperature Storage Test
JESD22-A119-2004 Low Temperature Storage Test
5. Chinese National Standard:
GB11158 Technical conditions for high-temperature testing box
GB10589-89 Technical conditions for low-temperature testing box
GB10592-89 Technical conditions for high and low temperature testing box
GB/T10586-89 technical conditions for humidity testing chamber
GB/T2423.1-2001 Low-temperature testing methods
GB/T2423.2-2001 High-temperature testing methods
GB/T2423.3-93 Testing Method for humidity Test Chamber
GB/T2423.4-93 Alternating hot and humid testing method
GB/T2423.22-2001 temperature testing method
6. China’s National Military Environment Test Equipment
GJB150.3 high-temperature testing
GJB150.4 low-temperature testing
GJB150.9 hot and humid condition testing

Advantage 1: Wind Field Design
Air supply mode: horizontal air supply, which is conducive to the uniformity of the wind distribution around each product when placing multiple products.
Wind direction adjustment: The air outlet is installed with double-layered louvers, which can adjust the wind direction up and down, left and right.
Wind speed / wind volume adjustment: configuration of Dexi inverter, according to the different test requirements of customers to adjust the operation frequency of the circulating motor, so as to achieve the purpose of adjusting the wind speed / wind volume in the box.
Wind field simulation: SOLIDWORKS three-dimensional mapping and modeling, and the model built ANSYS analysis software to analyze the wind field and temperature distribution and other parameters.


Advantage 2: Refrigeration Energy-saving Technology
In the frequency conversion refrigeration system, even if the power supply frequency 50HZ is fixed, the frequency can be changed through the frequency converter, so as to adjust the compressor speed, so that the cooling capacity is continuously changed to ensure that the compressor operating load matches the actual load in the test chamber (i.e., the temperature inside the test chamber rises, the compressor frequency rises, increasing the cooling capacity, and vice versa, the compressor frequency decreases, reducing the cooling capacity), which greatly saves the operating unnecessary loss, to achieve the purpose of energy saving. In the test chamber at the beginning of the operation of the compressor can also be improved by increasing the operating frequency of the compressor, improve the capacity of the refrigeration system to achieve the purpose of rapid cooling test chamber using frequency conversion refrigeration system, can accurately control the temperature inside the box, so that the temperature inside the box constant temperature fluctuations, but also to ensure that the refrigeration system suction and discharge pressure is stable, the compressor is more stable and reliable operation.
Refrigeration system throttling device using imported electronic expansion valve, the solenoid valve and expansion valve for two-in-one use. Electronic expansion valve according to the controller to calculate the percentage of refrigeration output automatically he service to adjust the expansion valve opening, in order to achieve smooth control of the refrigeration output.


Advantage 3: Intelligent Control System
The inverter controller system mainly adjusts the compressor capacity according to the actual load size to ensure that the total output capacity of the compressor matches the actual load. The control principle is as follows.
According to the temperature and suction superheat to be achieved by the box to determine the compressor suction temperature, query the suction pressure value corresponding to the temperature of the refrigerant, set the corresponding suction pressure change range value through the operation panel, after setting, the controller will give a signal (from the suction pressure sensor) according to the change of suction pressure, automatically control the input frequency of the compressor, so as to change the rotational speed and realize Automatic stepless adjustment of the cooling capacity, to ensure that the refrigeration unit operating capacity with the actual load required by the box, to achieve no waste, to minimize the cost of running the refrigeration unit. The role of the electronic expansion valve control system is mainly through the adjustment of the electronic expansion valve opening degree to control the evaporator superheat, to ensure that the actual load in the box and the system to provide a balance of cold, can accurately control the temperature in the box, and make full use of the evaporator.


Configuration and function of software:
Wind circulative system
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1. Using multi-wing centrifugal Rewind fans, strengthen the axis is made of aluminum alloy in order to attain loop forced convection.
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2. Stainless steel added long axis.
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3. Stainless Steel Multi-blade centrifugal wind whee.
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Water Supply system
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1. with water tank at the back
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2. automatically supply water
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3. warning for the shortage of water
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Cooling system (diego-style, single machine, refrigerator)
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1. Compressor: France “Taikang” Hermetic Refrigeration Compressor TFHK2522K two unit
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2. Refrigerator:Air-cool condenser coil
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3. Evaporator: pomfret Chip Multi-Segment
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4. Other Accessories: Imported desiccant cooling, Freon-borne window, the U.S. oil-water separator
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5. Expansion System: Italian expansion valve
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Temperature and humidity control system
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1.Control Specifications: Original South Korea TEMI880 color LCD touch screen in English and Chinese Accuracy: ±0.5 ℃±1% R.H, Resolution: 0.1 ℃ 1% R.H
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2. Functions can accommodate memory 999 program, optional single-stage control or multi-segment program control, operating as a functional form model, can be directly programmed and solid curve of function and the RS-232 communication interface.
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3.connect with computer, directly monitored by the computer to operate program, it also records temperature data and print! (Need anther purchase)
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4.The main components of the system is equipped with a safe inspection and interface devices, when an fault occurs, immediately through the LCD to display fault status and cut off the power
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5.With the cumulative operating time, display the run time
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6.Sensor: PT100 Sensor
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7.Temperature and humidity control diagram attached
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Standard Accessories
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1. two groups adjustable shelf board made of stainless steel, the distance can be arbitrarily changed
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2.Perspective vacuum glass windows, explosion-proof type
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3.Wide-angle lighting, using energy-saving high-efficiency fluorescent lights
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4.The machine is equipped with 4 group adjustable fixed wheel axle and control indicator light
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5. a pair of Φ50mm hole for testing
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Power
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Three-phase 380V ± 10% Power frequency: 50Hz ± 2% 4KW
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Information and services
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1. To provide equipment drawing, electrical schematics, electrical wiring diagram, consume parts, operating manuals and other
technical information, copy of two, and to provide essential technical information.
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2. Trained how to operate and maintain the equipment, so the staff grasp to the skill of of equipment.
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3. Equipment, one year warranty for free maintenance service: after one year provide the accessories for paying costs price.
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1. 10 years manufacture in testing machine
2. 5 years alibaba supplier
3. 100% QC inspection before shipment
4. 12 months warranty
5. Product Certificated by CE






A:Normally 5-10 working days after received deposit,we have our own factory,the delivery time
can be adjust flexible.
Q2: What is the warranty for the equipment?
A: One year. We can provide you lifelong technical support.
Q3: What is the payment terms?
A: T/T, L/C, Western Union, etc
Q4: How about the products quality?
A: Our products apply to ISO,ASTM, GB, etc
Q5: Is it OK to print my logo on machine product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q6. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.We’ll show you the photos of the products and packages before you pay the balance. or 100% L/C at sight .
Q7: Can we test sample before place order?
A: Of course,we can test sample and provide test report to you with free.
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