KR‑304A Walk‑In Temperature‑Humidity Test Room

RT-304A Walk-in Constant Temperature and Humidity Test Chamber

Walk-in constant temperature and humidity test room is specially suitable for whole machine and large parts to do low temperature test, high temperature test, high and low temperature change test, constant temperature and humidity test, high temperature and low temperature test with humidity change test and so on.

Product Details:

Product Overview

The KR‑304A walk‑in temperature‑humidity test room is a large‑volume modular environmental simulation facility, purpose‑built for full‑size finished goods, oversized assemblies and high‑volume batch specimen evaluation. It reproduces high‑temperature, low‑temperature, constant damp‑heat and alternating hot‑humid climatic stresses in one integrated unit.

This custom‑configurable walk‑in‑style test environment enables operators to directly enter the working space to arrange large‑size test articles. It is widely adopted by automotive component factories, aerospace‑related enterprises, new‑energy industries, electronics manufacturers and accredited testing institutes for product reliability validation, accelerated ageing screening and compliance certification testing according to national and military environmental‑test standards.

 

Core Product Competitive Advantages

  1. Fully‑customisable modular‑assembly chamber layout Modular insulated wall panels allow flexible adjustment of inner width, depth and height to match on‑site space and specimen dimension requirements. Inner surface uses SUS304 mirror‑finish stainless‑steel; outer shell is powder‑coated colour steel plate. High‑density foam insulation minimises heat transfer loss and ensures stable internal climate even under extreme operating conditions.
  2. Imported high‑efficiency dual‑stage refrigeration system Equipped with well‑known‑brand compressors, paired with eco‑friendly R404A refrigerant. Supports water‑cooled condensation configuration. Adaptive energy‑regulation evaporator design stabilises cooling capacity under variable‑load conditions, avoiding excessive frosting during long‑duration cyclic testing.
  3. Precision programmable colour‑touch‑screen control platform Adopts imported industrial‑grade T‑series touch‑screen controller. Supports multi‑segment profile editing, ramp‑rate setup, real‑time curve visualisation and data logging. PT100 high‑precision sensing elements deliver 0.1 ℃ / 0.1 %RH readout resolution. Power‑off resume function safeguards long‑run unattended test missionsMade-in-Ch….
  4. Optimised forced air‑circulation for uniform climate distribution High‑power circulating‑fan and custom‑designed air duct structure eliminate static air dead zones inside large‑volume cavity. It maintains excellent temperature‑humidity uniformity across the full test area, preventing localised deviation that may distort test‑result repeatability. The heavy‑duty floor bears uniform load up to 200 kg/m² for bulky test‑samples.
  5. Human‑centred door assembly & comprehensive multi‑layer safety protection Double‑leaf access doors are fitted with anti‑condensation heated observation windows and safety‑lock mechanism to prevent accidental opening during extreme‑condition operation. Reserved Φ50 mm cable feed‑through ports facilitate powered‑on sample testing. Complete protective interlocks cover over‑temp cut‑off, humidifier water‑shortage alarm, compressor high‑/low‑pressure protection, phase‑sequence monitoring and fault audible‑visual warning.

 

Complete Technical Parameter Table

Parameter Item KR‑304A Standard Specification
Inner Chamber Dimension Fully customisable (reference base: W1000×H1000×D2000 mm)
Working Temperature Scope ‑40 ℃ ~ +80 ℃ (extended range‑35 ℃ ~ +115 ℃ optional)
Humidity Control Range 20 %RH ~ 95 %RH
Temperature Fluctuation / Deviation ≤±0.5 ℃ / ≤±2.0 ℃
Humidity Fluctuation ≤±3 %RH (>75 %RH); ≤±5 %RH (≤75 %RH)
Average Heating Rate 1.5‑2 ℃/min (no‑load, non‑linear)
Average Cooling Rate 0.7‑1.0 ℃/min (no‑load, non‑linear)
Floor Uniform Bearing Capacity 200 kg/m²
Refrigerant R404A environment‑friendly refrigerant
Refrigeration Mode Water‑cooled, dual‑stage compressor system
Controller Imported colour TFT touch‑screen HMI
Standard Accessories Anti‑condensation viewing window, Φ50 mm test port, internal anti‑damp lamp, wet‑dry bulb gauze set
Input Power Supply Single‑phase AC220V / Three‑phase AC380V 50 Hz (depends on chamber volume)

Compliance Standards: GB/T2423.1, GB/T2423.2, GB/T2423.3, GB/T2423.4, GJB150.3, GJB150.4, GJB150.9

Graph of temperature and humidity control

Standard Complete Test Operating Workflow

  1. Pre‑Test Preparation Confirm installation site satisfies ventilation, water‑supply and power‑supply prerequisites. Inspect refrigeration unit, humidification water‑circuit, circulating‑fan and full alarm‑protection functions. Arrange large‑size or batch‑loaded specimens inside test room; keep sufficient clearance for smooth air circulation. Close and securely lock double‑leaf access doors, switch‑on main power supply.
  2. Program Parameter Configuration On touch‑screen HMI, create or recall multi‑segment test profile: configure target temperature‑humidity values, dwell‑time and total cycle‑count. Activate data‑recording function and verify power‑off‑resume setting. Allow chamber to pre‑condition until climate parameters stabilise at set‑points.
  3. Execute Walk‑In Climate Reliability Test Launch saved test‑program. Equipment automatically runs heating, cooling and humidification‑dehumidification cycles. System continuously logs real‑time environmental data. Unit stops automatically upon completion of preset runtime or cycle quantity.
  4. Specimen Inspection & Data Export Wait for inner‑chamber temperature to return close to ambient level before unlocking doors. Enter test‑room to retrieve specimens. Assess product changes such as deformation, performance drift and surface degradation. Export stored test records via communication interface for QC‑report compilation.
  5. Post‑Test Tidying Clear test‑room of specimen debris. Check humidification‑tank water‑level status. Reset program‑parameters. Shut‑down main power for long‑term idle storage. Periodically check refrigeration‑circuit status, door‑seal gaskets and sensor calibration status.

Wide Industrial Application Scenarios

Automotive Component Manufacturing Enterprises

Environmental reliability assessment for large auto assemblies, interior‑exterior trim parts and vehicle electronic modules; high‑low‑temperature and damp‑heat ageing validation for complete‑vehicle subsystems.

Aerospace & Defence Industry

Military‑standard climatic simulation for large‑size aviation components, structural‑parts and on‑board equipment.

New‑Energy & Electronic Manufacturing Plants

Batch environmental screening for battery‑pack assemblies, large‑scale electrical cabinets and industrial control hardware.

Plastic‑Rubber & Material‑R‑D Departments

Climatic ageing research for oversized polymer test‑pieces; evaluate material property shift under combined temperature‑humidity stress.

Third‑Party Accredited‑Testing‑Laboratories

Conduct large‑specimen walk‑in‑chamber environmental‑reliability assessment and generate formal inspection‑documents for product‑qualification‑audits.

Standard Factory‑Full‑Delivery Kit

  1. KR‑304A walk‑in temperature‑humidity test room main modular chamber unit (custom inner‑dimension as per order)
  2. Double‑leaf security‑lock door assembly with anti‑condensation observation window
  3. Imported touch‑screen programmable control system
  4. Complete refrigeration, heating‑humidification and air‑circulation subsystem
  5. Φ50 mm reserved test‑port with silicone sealing‑plug, internal anti‑moisture lamp set
  6. Power‑supply connecting‑cable
  7. Multilingual printed‑operation‑manual complying with GB‑GJB‑relevant‑test‑specifications
  8. Factory‑issued performance‑inspection‑certificate

Optional spare‑parts & custom‑options: custom‑size test‑cable ports, enhanced cooling‑heating rate upgrade, PC remote‑monitoring software, overseas‑target‑voltage adaptation, additional internal sample‑support frames.

Global Distributor & After‑Sales‑Support

We provide remote‑one‑on‑one operational guidance covering multi‑segment‑program‑editing, refrigeration‑system routine‑care, fault‑alarm diagnosis and chamber‑seal maintenance. Spare‑parts stock includes door‑seal gaskets, filter‑cartridges and sensor‑accessories. Bulk‑order customers can apply for custom‑power‑supply‑voltage variants for overseas‑market deployment. Regional‑exclusive‑agent privileges contain priority‑production‑scheduling, OEM private‑branding‑services and complete‑set high‑definition product‑marketing‑image‑resources.

Product‑Banner‑Marketing‑Slogan

KR‑304A Walk‑In Temperature‑Humidity Test Room | GB‑GJB‑Compliant Large‑Size‑Assembly‑Batch‑Specimen‑Climatic‑Reliability‑QC‑Testing‑Instrument

Core‑Feature‑Labels‑For‑Product‑Images

GB‑GJB‑Compliant,Walk‑In‑Temperature‑Humidity‑Test‑Room,Custom‑Modular‑Chamber,‑40~+80℃‑Temp‑Range,20‑95%RH‑Humidity‑Control,SUS304‑Stainless‑Steel‑Inner‑Room,Imported‑Dual‑Stage‑Refrigeration,TFT‑Colour‑Touch‑Screen‑Controller,Multi‑Segment‑Program‑Edit,Power‑Off‑Resume‑Function,Anti‑Condensation‑Observation‑Window,Safety‑Lock‑Double‑Leaf‑Doors,Multi‑Layer‑Safety‑Interlock,Automotive‑Aerospace‑Large‑Assembly‑Batch‑Product‑High‑Low‑Temp‑Damp‑Heat‑Reliability‑Evaluation

Safety‑Operation‑Reminder

Never open main access‑doors when chamber is running under extreme high / low‑temperature conditions to avoid scald or frost‑bite hazard. Reliable three‑phase power‑grounding must be completed before power‑on. Operators shall follow safety protocols when entering the inner test‑space. Periodically inspect door‑gasket sealing performance and refrigeration‑system working‑condition.

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KAREY products are trusted by customers across more than 100 countries, supporting long-term business growth in the testing equipment industry.
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KR‑304A Walk‑In Temperature‑Humidity Test Room

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Opening Hours

Monday – Friday 9am-5pm 
Weekend – Closed

Address

Wentang, DongCheng District 523000, Dongguan City, Guangdong Province, PR China