High Low Temperature Test Chamber Constant Temperature Humidity Chamber

Product Overview

This high low temperature test chamber is an 80 L environmental reliability system engineered for controlled exposure to temperatures from -40℃ to +150℃. It gives laboratories and quality teams a dependable way to evaluate how products respond to thermal extremes, temperature cycling, and sustained high- or low-temperature conditions. Stable temperature control, insulated construction, and a robust compressor refrigeration architecture support repeatable test results without compromising practical laboratory operation.

The equipment is suited to battery cells, automotive components, electrical and electronic products, materials, and individual parts requiring environmental simulation testing. It supports development validation, incoming-quality assessment, design verification, and production reliability programs in battery research, automotive supply chains, electronics manufacturing, materials science, and academic laboratories.

Built around a steel support frame, welded SUS#304 chamber liner, 100 mm fire-resistant insulation, and protective monitoring functions, this unit is designed for demanding thermal test work. Its uniform airflow system, precision sensing, and multiple safety provisions help maintain operational consistency while protecting samples, operators, and critical system components.

Key Features

• Broad Controlled Temperature Range: The system operates from -40℃ to +150℃ with full-range control, enabling one chamber to cover low-temperature exposure, elevated-temperature storage, and alternating thermal test programs.

• Stable and Repeatable Thermal Performance: Temperature fluctuation is limited to ≤±0.5℃ after stabilization, while temperature deviation is ≤±2.0℃. These controls help laboratories compare samples under tightly managed test conditions.

• Uniform Airflow Management: An upper static-pressure supply and lower return-air circulation path promotes even temperature distribution throughout the work area. The circulation system uses a multi-blade centrifugal wheel with high- and low-temperature-resistant aluminum-alloy blades.

• Controlled Heating and Cooling Transitions: Average no-load, non-linear heating performance is 13℃/minute, and average cooling performance is 0.751℃/minute. Temperature rise and fall overshoot is controlled to ≤±2.0℃ for disciplined thermal cycling.

• Durable Welded Test Space: The inner chamber uses 1.0 mm SUS#304 heat- and cold-resistant stainless steel with sealed welding. This construction supports long-term resistance to repeated temperature stress and routine laboratory use.

• High-Performance Thermal Insulation: A 100 mm insulation layer of fire-resistant, high-strength PU polyurethane foam delivers an insulation coefficient of less than 0.0212kcal/m∙hr. The insulated enclosure helps reduce thermal loss and supports controlled chamber performance.

• Clear Sample Observation: A W220 mm × H350 mm multilayer vacuum viewing window includes automatically regulated electric anti-frost and anti-condensation protection. Operators can observe test samples clearly during operation without opening the door.

• Precision Heating and Sensing: Stainless-steel finned nickel-chromium electric heating tubes provide heat input, while a PT100 dry-bulb temperature sensor supplies high-precision chamber measurement. SSR solid-state relay control enables high-precision, contactless switching.

• Robust Refrigeration Configuration: Compressor refrigeration, R404A refrigerant, an air-cooled shell-and-tube condenser, a high-efficiency plate heat exchanger, and a multi-stage hydrophilic-film fin evaporator support dependable low-temperature performance.

• Comprehensive Operational Protection: Independent sample over-temperature protection, heater over-temperature protection, compressor overload and overheat protection, high- and low-pressure protection, overcurrent protection, phase-sequence protection, and controller self-diagnostics help support safe, continuous operation.

Applications

Technical Specifications

Why Choose This Product

• Engineered for Repeatable Results: Controlled temperature fluctuation, defined deviation limits, a precision PT100 sensor, and variable-frequency airflow control support consistent environmental test conditions across repeated programs.

• Built for Thermal-Test Duty: The steel frame, sealed SUS#304 liner, 100 mm fire-resistant insulation, durable door seal, and high-temperature spray-coated enclosure provide a robust foundation for long-term laboratory use.

• Designed Around Operational Safety: Layered safeguards cover samples, heaters, compressors, current load, pressure conditions, phase sequence, and controller faults, helping protect valuable test work and equipment uptime.

• Practical for Daily Laboratory Workflows: The viewing window, internal lighting, test ports, adjustable locking casters, insulated shelves, and maintenance-free pressure balance port make setup, observation, and positioning more efficient.

• Aligned with Recognized Test Methods: Conformance with GB/T 2423.1－2008 and GB/T 2423.2-2008 supports structured high- and low-temperature reliability testing for professional development and quality programs.

Contact us for a quote or a custom environmental test solution matched to your sample dimensions, test program, and laboratory operating requirements.

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