Liyi High Precision Programmable Constant Temperature and Humidity
Machine
The Liyi Climate Chamber Room Control Climate Test Cabinet is
designed for precise environmental testing and drying applications
across various industries including electronics, automotive,
aerospace, plastics, chemicals, and food processing.

Product Specifications
| Model | LY-280 | LY-2150 | LY-2225 | LY-2408 | LY-2800 |
|---|
| Inner Size W×H×D (cm) | 40×50×40 | 50×60×50 | 50×75×60 | 60×85×80 | 100×100×80 |
| Outside Size W×H×D (cm) | 93×155×95 | 100×148×106 | 117×166×91 | 140×176×101 | 170×186×111 |
| Volume (V) | 80 L | 150 L | 225 L | 408 L | 800 L |
Temperature and Humidity Range
Models Available:
A: -20°C to 150°C
B: -40°C to 150°C
C: -60°C to 150°C
D: -70°C to 150°C
Relative Humidity: 20% to 98% RH
Performance Specifications
- Temperature Fluctuation: ±0.5°C
- Humidity Fluctuation: ±2.5% RH
- Temperature Deviation: ±0.5°C to ±2°C
- Humidity Deviation: ±3% RH (>75% RH); ±5% RH (≤75% RH)
- Controller Analytical Accuracy: ±0.3°C, ±2.5% RH
Technical Features
- Wind Cycling: Centrifugal fan-broadband type forced air circulation
- Refrigeration: Single stage compression refrigeration
- Refrigerator: French Tecumseh
- Refrigerants: R404A USA DuPont environmental protection refrigerant
(R23+R404)
- Condensing: Air-cooled or water-cooled options
- Heater: Nickel chrome heating wire heater
- Humidifier: Semi-closed steam and wet system
- Water Supply: Automatic cycling water supply
Product Details

Company Profile
Dongguan Liyi Environmental Technology Co., Ltd is a
high-technology production-oriented enterprise specializing in
developing, manufacturing, and marketing environmental testing
equipment. With advanced technology and experienced technical
management, we serve customers from over 150 countries worldwide.

Frequently Asked Questions
Are you a manufacturer? Do you offer after-sales service? How about
the warranty?
Yes, we are a professional manufacturer of environmental testing
equipment. All machines include 12 months warranty with free
maintenance. We provide technical support and solutions within
24-48 hours of problem identification.
What's the delivery term?
Standard machines are typically available from stock. For custom
orders, delivery time is 15-20 working days after deposit receipt.
Urgent orders receive special priority handling.
Do you accept customization service? Can I have my logo on the
machine?
Yes, we offer both standard and customized machines according to
your requirements. We provide OEM and ODM services including custom
branding and logo placement.
How can I install and use the machine?
Most machines are shipped fully assembled. We provide English
operation videos and documentation. For complex installations, we
offer on-site technical assistance and remote support.
