Frost-Free Plant Climate Chamber 253-1022 L, 30-90% RH Cold Humidification, Layered LED, 30 Steps

The Master Science Frost-Free Plant Climate Chamber is designed for long growth trials where temperature, humidity and light have to stay stable for weeks. Frost-free refrigeration removes the swings caused by defrost cycles, and cold (non-heated) humidification adds moisture without warming the air around plants and animals.

Grow lights sit at the top of the chamber and on shelf-mounted lamp holders, so light falls vertically on every layer instead of from the side, which avoids plants bending towards the wall. Light is set in five levels up to 320 µmol/m²/s at 15 cm. A fuzzy PID controller runs 30-segment, 99-cycle programs or a 24-hour real-time schedule. Four sizes run from 253 to 1022 litres.

Technical Specifications

Specifications of the Master Science Frost-Free Plant Climate Chamber range:

• Brand: Master Science
• Model Number: MSICB-CC253YCSWISS,MSICB-CC412YCSWISS,MSICB-CC722YCSWISS,MSICB-CC1022YCSWISS
• SKU: MSICB-CC253YCSWISS,MSICB-CC412YCSWISS,MSICB-CC722YCSWISS,MSICB-CC1022YCSWISS
• Brand: Master Science
• Model: MSICB-CC253YCSWISS, MSICB-CC412YCSWISS, MSICB-CC722YCSWISS, MSICB-CC1022YCSWISS
• SKU: MSICB-CC253YCSWISS, MSICB-CC412YCSWISS, MSICB-CC722YCSWISS, MSICB-CC1022YCSWISS
• Capacity: 253 / 412 / 722 / 1022 L
• Circulation: Forced convection, balanced type
• Internal dimensions (W×D×H): 640 × 460 × 860 / 560 × 530 × 1390 / 980 × 530 × 1390 / 980 × 750 × 1390 mm
• External dimensions (W×D×H): 800 × 780 × 1570 / 1025 × 810 × 1735 / 1445 × 810 × 1735 / 1445 × 1030 × 1735 mm
• Temperature range: Smallest model: 5-50°C lit, 0-50°C unlit; larger models: 10-50°C lit, 5-50°C unlit
• Resolution: 0.1°C
• Temperature fluctuation: ±0.8 to ±1°C (by model)
• Humidity range: 30-90% RH
• Humidity fluctuation: ±3 to ±5% RH
• Humidification: Cold humidification
• Light intensity: 320 µmol/m²/s at 15 cm, 5 levels
• Lamp holders: Shelf-type, 2 or 3 layers
• Standard shelves: 2 / 3 / 3 / 3, SUS304, height adjustable
• Controller: Fuzzy PID; 30 segments × 99 cycles or 24-hour real-time mode
• Fan: Three speeds
• Test port: Ø40 mm with silicone plug
• Data: USB for printer or flash drive
• Operating ambient temperature: 5-30°C
• Power supply: AC 220 V, 50 Hz
• Power consumption: 2300 / 2875 / 4025 / 4370 W
• Refrigeration protection: Compressor overheat, over-current, over-pressure; condenser fan overheat
• Electrical protection: Phase sequence and loss, leakage, short-circuit, overload, water shortage

Key Benefits

• No defrost disturbance: The Master Science Frost-Free Plant Climate Chamber keeps temperature and humidity steady over long trials.
• Humidity without heat: Cold humidification suits plants and insects.
• Even light on every layer: Top and shelf lamps light plants vertically.
• Simulate a full day: 24-hour real-time programs follow natural cycles.

For smaller trials with standard heated humidification, see our climate chamber 173-516 L beside the Master Science Frost-Free Plant Climate Chamber.

Product Features

Climate

• Frost-free refrigeration
• Hot gas bypass regulation
• Diffusion-type air duct
• Three-speed circulation fan

Light and humidity

• Cold humidification, 30-90% RH
• Top light plus shelf-type lamp holders
• Full-spectrum plant growth lamps, 5 levels

Control and build

• Fuzzy PID with 30-segment, 99-cycle or 24-hour modes
• Temperature, humidity and water level alarms
• USB data recording
• Four-point locking door handle; welded steel base; locking casters

Applications

The Master Science Frost-Free Plant Climate Chamber is used for:

• Plant cultivation and growth studies
• Microbial and tissue cell culture
• Insect and small animal rearing
• Seed germination under day-night cycles
• Crop breeding research

Standard Accessories Included

• Climate chamber
• SUS304 shelves (2 or 3)
• Shelf-type lamp holders (2 or 3 layers)

Growth Trial Problems the Master Science Frost-Free Plant Climate Chamber Solves

Long plant trials suffer from drift, uneven light and dry air. The Master Science Frost-Free Plant Climate Chamber addresses:

• Drift during defrost: Frost-free design keeps conditions steady.
• Plants bending to the light: Vertical, layered lighting gives even exposure.
• Heat from humidifiers: Cold humidification avoids warming the chamber.
• Unnatural constant conditions: Real-time programs simulate a full day.