50L Three Box Environmental Testing Machine constant temperature test chamber

50L Three Box Environmental Testing Machine constant temperature test chamber

  • High Light

    50L Environmental Testing Machine


    ODM Environmental Testing Machine


    50L Constant Temperature Test Chamber

  • Product Name
    Constant Temperature Humidity Chamber For Laboratory
  • Product Model
  • Manufacturer
  • High And Low Temperature Impact Range
    -40 ~100Degree
  • Control Precision
  • Resolution Accuracy
  • Low Temperature Cold Storage Zone
    0℃ To -55℃.
  • Load Directtion
    Left To Right/right To Left
  • Lead Time
  • X.Y.Z Drive Method
    Servo Motor Drive
  • Size
  • Weight
  • Place of Origin
  • Brand Name
  • Certification
    CE-Constant Temperature Humidity Chamber for laboratory
  • Model Number
  • Minimum Order Quantity
  • Price
  • Packaging Details
    Standard woodenbox
  • Delivery Time
  • Payment Terms
    L/C, D/A, D/P, T/T, Western Union, MoneyGram
  • Supply Ability

50L Three Box Environmental Testing Machine constant temperature test chamber

50L Three Box Environmental Testing Machine Constant Temperature Test Chamber


50L three-box Programmable Environmental Testing Machine, Constant Temperature Humidity Chamber for laboratory


CNSMT is the manufactuere of the laborary environment temperature humidity chamber machine in China, we can make and produce all the size and models of the chamber, 


Welcome to inquiry and get more information!


Detailed specification:
. . . . . . .
1. Temperature shock range in high and low temperature zone: -40℃~100℃

2. Temperature test range:
High and low temperature impact range: -40 degrees to 100 degrees
1. High temperature heat storage area: room temperature to +150℃.
2. Low temperature cold storage zone: 0℃ to -55℃.
3. Control accuracy: +(-)2℃.

4. Resolution accuracy: 0.01℃.

5. Heating time in high temperature zone: from room temperature to 100°C, about 30 minutes. 3°C/min (non-linear no-load)

6. Cooling time in low temperature zone: from room temperature to -40℃, about 60 minutes. 1℃/min (non-linear no-load)

Seven, the temperature recovery time of the test area: 3-5 minutes.

8. Machine structure and material:
1. Structure: Divided into high temperature zone, low temperature zone and test zone.
2. Internal dimensions: 35cm(W)×35cm(H)×40cm(D)
3. External dimensions: 156cm×179cm(H)×144cm(D
4. Inner and outer box material: SUS#304 heat-resistant and cold-resistant stainless steel plate, first-class light panel.
5. Thermal insulation material: high-density glass wool and high-strength PU foam insulation material.
6. Anti-sweat parts: use the heat energy of the system K-tube for anti-sweat treatment.
7. Auxiliary equipment:
a. Cold-resistant and heat-resistant high-tensile tightness (packing), can withstand temperature 400℃ and low temperature -200℃
b. A set of high and low temperature automatic conversion equipment
c. With two adjustable dials

9. Refrigeration system and heating system:
1. Use the original high-efficiency compressor from France Taikang.
2. Equipped with automatic and manual defrost circuits.
3. Slope type FIN-TUBE evaporator can quickly reach low temperature effect.
4. Original imported Japanese-made solenoid valve, filter drier and other refrigeration components.
5. Internal spiral K-TYPE refrigerant copper tube.
6. U-TYPE high-speed electric heating tube.
7. Adopt air-cooled condenser.
8. Use environmentally friendly refrigerants.
9. Other accessory repair valves, electronic automatic conversion expansion valves and solenoid switches, etc.

10. Air circulation system and drainage system:

1. It adopts Japanese-made multi-wing centrifugal circulating fan and Japanese-made motor as a whole set.
2. FLOW THROW air supply method, horizontal diffusion and vertical heat exchange arc circulation.
3. The drainage system adopts vortex drainage outlet and U-TYPE sedimentation device.
4. The temperature field effect of multi-wing fan blades is evenly distributed.
5. STAIN LESS lengthening axis air volume is appropriate.

11. Circuit control system:

a. Original imported color touch screen controller
b. It can memorize 100 groups of programs (PIN)×1000 segments (STEP), and each group of programs (PIN) can be executed up to 999 times or unlimited times.
c. The microcomputer fully automatic PID+SSR control mode is convenient and stable.
d. Microcomputer intelligent multi-function control, with various groups of refrigeration compressors, solenoid valves, heating HEATER, heating HEATER... and other automatic control output functions.
e. The main components of each system are equipped with a safety detection interface device. When an abnormal fault occurs, it will immediately display the fault status through the LCD text and cut off the power supply.
f. It has the function of pre-setting power-on time and power-off time, which can be set by year, month, day, hour, and minute.
g. It has the function of displaying the cumulative time of operation and maintenance, which can be used as a reference for machine operation time and maintenance.
h. The time when the LCD backlight is turned on and off can be planned by a program to extend the life of the backlight.
i. You can choose single-segment control or multi-segment programs to increase the convenience of operation.
j. With sequence control interface RELAY×2 groups, can plan the output of external logic drive components (signal, mechanism, power... and other related auxiliary control).
k. One RS-232 (standard product) communication interface device is attached.
l. With the power failure memory device and the choice of the starter of the motor shutdown station BREAK COLD HOT can be arbitrarily planned.
m. After the temperature and humidity data setting is completed, or during operation, the program setting graphic screen can be called to facilitate understanding of various settings and execution conditions.
n. During program execution, you can pause (HOLD), skip (ADV) and set up other programs.
o. WAIT function with recovery time and test time.
p. It has the function of clearing the program.
q. With the function of operation lock, and avoid human interference.
r. With time and date correction.
s. With display status, and execution screens to understand the operation of the machine.

12. Safety protection system:
1. System control circuit fuse.
2. System overcurrent protection device.
3. With a fuse-free protection switch.
4. Over-temperature protection device.
5. Overload protection device of refrigeration compressor.
6. Compressor high and low pressure protection switch.
7. Under-phase protection switch.
8. Fault indicator light.
9. Emergency stop switch.
10. Controller setting error fault display and warning.

13. Power supply: three-phase AC 380V 50Hz 50ANFB

14. Warranty period:
1. One-year warranty from the date of delivery (except for damage caused by natural disasters, abnormal electricity, improper use, and improper maintenance, the company will repair it completely free of charge). For services beyond the warranty period, corresponding costs will be charged.
2. The problems that arise during the use of the equipment shall be responded to within 24 hours, and maintenance engineers and technicians shall be appointed to deal with and solve the problems in time.


50L Three Box Environmental Testing Machine constant temperature test chamber 0

Why Choose CNSMT?

  • We have high satisfaction rate from all of our customers both in the local and international market.
  • We have more than 10 years solid experience when it comes to handling, understanding, and navigating SMT machines.
  • We process orders fast and efficiently, so that our customers don’t have to waste time in waiting for their orders.
  • Our products are of top quality, for we only partner with reliable manufacturers from well known countries like Japan.
  • We always customize orders to make it suitable for everyone’s needs.
  • We offer the most competitive rate to all of our customers, so they can save from all of their orders.


These are the reasons why you should only trust CNSMT. We are here to help you find the most effective and most affordable solutions to all of your SMT needs.


If you are looking for a PCB magazine rack, please see the details below.



Q: Are you trading company or manufacturer ?

A: We have our own factory which produce and sell., we also can do OEM AND ODM ,and we also have our own international trade department .So we can provide you the best price and perfect after-sale service.

Q: How long is your delivery time?

A: Generally it is 3-5 days, it is according to quantity.


Q:Qualification certificate ?

A:We have SGS and ISO and other relevant international certifications to ensure the high quality output of the products.

Q: Do you provide samples ?

A: Yes, we could offer the sample (some free ,some not )

Q: What is your terms of payment ?

A: Payment normally 100% TT before shipment



Here at CNSMT, we assure you that you are good hands when it comes to your SMT needs.


Contact us now!


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