R404A and R23 Environment Friendly Refrigerant Two Cascade Compressor Cooling Low Temperature Test Chamber
For mechnical cooling design, the lowest temperature for single compressor is aournd -40℃, when it comes to extremely low temperature such as -55℃, -60℃,-70℃ ultra low temperature test chamber, fast temperature change rate chambers (15℃/min). Mentek will use Cascade Compressor Coolign System,Environment Friendly Refrigerant R404A for the First Stage and R23 for the Second Stage. Low temperature available: A: -20℃, B: -40℃, C: -70℃ , D: -86℃.E:-180℃( liquid nitrogen refrigeration or Cascade Compressor Coolign System ).


Technical Specification
Model | MDP-150 | MDP-225 | MDP-408 | MDP-800 | MDP-1000 |
Interior Volume | 150L | 225L | 408L | 800L | 1000L |
Interior Dimension(cm) | 50*60H*50 | 50*75H*60 | 60*85H*80 | 100*100H*80 | 100*100H*100 |
Exterior Dimension(cm) | 70*150H*165 | 70*165H*170 | 80*175H*180 | 70*190H*185 | 70*190H*195 |
Net Weight | 250kg | 300kg | 400kg | 600kg | 700kg |
Temp & Humidity Range | -70℃,-60℃,-40℃,-20℃,0℃~+150℃ | 10%~98%RH(Optional) |
Temp & Fluctuation | ±0.3℃~±0.5℃ | | ±2.5%RH(optional) |
Temp & Humidity Deviation | ±0.5℃~±2℃ | ±3%RH(>75%RH);±5%RH(≤75%RH) Optional |
Temp Change Rate | 2℃~3℃/m heat-up | | 1℃/m cool-down |
Standard configurations | 1 Window, 1 Cable port, 1 Lamp, 4 Casters, 1 Power cable, 2 Stainless steel shelves |
Standard Documentations | quality certification,test report ,user operaion manual for machine & controller |
Safety devices | Electric leakage, fan overheat ,anti-dry ,compressor overheat & overpressure,power supply undercurrent,overheat, overcurrent, phase sequence, over-temperature protection devices |
Why Select MENTEK?
- 1) Professionalism: China Leading brand climatic chamber manufacturer with over 20 years focus on environmental test chambers Industry since 1999. MENTEK Testing Equipment Co.,Ltd is a leading climatic chamber manufacturer in China, specializing in manufacturing various environmental chambers with superior quality and customer service.We have professional factory management and development team. The yearly turnout are 1,500 units.We are customer-tailored solution expert in environmental chamber, provide excellent test chambers & make expert solutions for customers.We provide private custom service for each customer, and create their own brand environment test chambers.
- 2) Top Quality : We have professional QC team for the quality control, we test each function of the test chamber carefully one by one before delivery. All of the products from Mentek are brand new with top quality, we do not provide products with used , refurbish or counterfeits.
- 3) Warranty: All of the products from MENTEK comes with 12 Month warranty.
- 4) Competitive Prices: Mentek offers you competitive and reasonable market price.
- 5) Excellent Service: We offer complete engineering and technical support, prompt emergency service, remote installation, remote maintenance services and more. We are equipped with over 20 technical and support you anywhere in time .
Looking for distributors worldwild.
We have been looking for qualified overseas distributors or dealers to join our business together, and sincerely invite you to visit our company and factory in Dongguan, China. If you are interested in business for environmental chambers and have ability to install, repair test chambers with your professional technician support, please do not hesitate to contact us and join our sales team to establish friendly business relationship based on mutual benefits.