[Product Features]

1．Full imported stainless steel shell or rust-proof steel plate (sprayed plastic) for an elegant and generous appearance.

2．Imported refrigeration unit with key components from international brands. The entire system is equipped with multiple protection devices to improve operational reliability.

3．Ingenious air duct structure with small temperature and humidity deviation, high uniformity and anti-condensation function.

4．The main door is equipped with an observation window with a light for convenient observation of the test sample status during the experiment.

5．The system is easy to operate, install and maintain.

[Technical Specifications]

Model

Programmable Constant Temperature and Humidity Test Chamber YS-SDJ-Capacity-ABCD

Internal Volume (L)

100

150

225

408

800

1000

Working Chamber Size (W×D×H) (mm)

500x400x500

500x500x600

600x500x750

800x600x850

1000x800x1000

1000x1000x1000

External Dimension (W×D×H) (mm)

700x1390x1580

700x1490x1680

800x1490x1780

1000x1590x1930

1200x1790x2080

1200x1990x2080

Window Size (W×H) (mm)

214x300

214x300

280x350

360x510

360x510

360x510

Minimum Low Temperature

-20

-40

-70

-20

-40

-70

-20

-40

-70

-20

-40

-70

-20

-40

-70

-20

-40

-70

Power (KW)

4.5

5

6.5

5

5.5

7

5.5

6

7.5

6

7.5

10

9

10

11

10.5

11

12

Voltage AC (V)

220

380

220

380

220

380

220

380

380

380

Weight (kg)

250

300

400

520

630

700

Temperature and Humidity Control Method

Balanced Temperature and Humidity Control Method (BTHC) PID Intelligent Regulation

Product Performance

Air-cooled, the machine's air-cooled chamber is at room temperature 25°C when empty.

Temperature Range

A: -40°C~+150°C; B: -20°C~+150°C; C: -60°C~+150°C; D: -70°C~+150°C (Please choose, normally A: -40°C~+150°C)

Humidity Range

20%~98%R.H (10%~98%R.H, 5%~98%R.H; customized for special conditions)

Temperature Distribution Uniformity

≤±2°C

Temperature Control Fluctuation

±0.5°C

Temperature Deviation

≤±2°C

Humidity Deviation

75%R.H <±5%R.H; 75%R.H ≥±3%R.H

Humidity Fluctuation

≤±2.5%R.H

Humidity Distribution Uniformity

225L≤±3%; 408L≥±5%

Heating Rate

About 2°C/min; empty load (temperature rate 2~25°C/min, linear/non-linear, customized for special conditions)

Cooling Rate

About 0.7~1.7°C/min; empty load (temperature rate 2~25°C/min, linear/non-linear, customized for special conditions)

Temperature and Humidity Resolution

0.01°C/0.1%R.H

Inner Chamber Material

SUS304 Mirror Stainless Steel

Outer Shell Material

Rust-proof Cold-rolled Steel Plate Spray/SUS304 Brushed Stainless Steel

Insulation and Heat Insulation

Germany Bayer Polyethylene Foam (PU Foam Insulation)

Refrigeration Method

Fully Hermetic Two-stage Compressor (Air-cooled)

Refrigeration Compressor

France Tecumseh TECUMSEH Compressor/Large Model: Germany Bitzer BITZER Compressor/Germany GEA Bock Compressor

Refrigerant

R404/R23 (Environmentally Friendly Refrigerant)

Condensation Method

Air-cooled

Heater

Nickel-chromium Alloy Electric Heating Tube Heater

Humidifier

Boiler-type Stainless Steel Aluminum-clad Heater

Air Inlet System

Centrifugal Fan

Airflow Method

Wide-type Forced Air Circulation (Top Inlet and Bottom Outlet)

Control System

Taiwan TATO/South Korea TECH Three-element

Water Supply Method

Automatic Water Supply Device (Explained before selection)

Water Supply Tank

Manual Drawer-type Water Tank

Water Quality

Resistivity >500MΩ

Standard Configuration

1 Observation Window (Double-layer Hollow Tempered Conductive Glass); 1 Test Hole φ50mm (on the left); 2 Sample Racks; 1 Inner Box Lighting (Fluorescent Lamp); 1 Water Supply Tank; 1 Gas Belt for Dehumidification; 4 Small Casters; 1 Power Cord.

Ambient Temperature

+5°C~+28°C (Water-cooled 5°C~+35°C)

Relative Humidity

≤85%RH

Precautions

This equipment cannot be used to test or store items containing flammable, explosive, volatile, or corrosive gases.

With 11 years of experience in the industry, Yanshuo offers customers the assurance of reliable products. This long-term expertise has given us deep knowledge, which is reflected in the innovation and quality of our offerings. We have built strong relationships with over 1,000+ customers, making your feedback and needs a vital part of our strength. We are also highly skilled at solving any challenges you may encounter. These are the key reasons to choose us as your partner.