HD-E702-30K60 Desktop Climate Chamber
HD-E702-30K60 Desktop Climate Chamber
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HD-E702-30K60 Desktop Climate Chamber

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1. Overview

The HD-E702-30K60 Desktop Climate Chamber is a compact, high-performance solution for simulating extreme environmental conditions including high/low temperatures and damp heat. With a wide temperature and humidity control range, this chamber is ideal for product reliability testing during development, transportation, and storage.

Engineered for precision, it serves a wide range of industries such as electronics, automotive, aerospace, metallurgy, new materials, and instrumentation.


2. Key Features

2.1 Cooling System

  • Dual-stage cascade cooling with France Tecumseh compressors

  • Uses eco-friendly refrigerants: R404A / R23

  • Efficient low-temperature operation across different zones

  • P.I.D + S.S.R control for accurate and stable performance

  • Temperature and humidity resolution up to 0.1°C

2.2 Temperature & Humidification System

  • Independent heating and humidification control

  • Heating system: High-speed nickel-chromium alloy wire

  • Humidification: Stainless steel tube with built-in nickel-chromium heater

  • Automatic water replenishment system for continuous humidity control

2.3 Control System

  • Sensor: High-accuracy Vaisala electronic sensor

  • Controller: Advanced SongHua controller

  • User Interface:

    • Displays both setpoint (SV) and real-time (PV) values

    • Cycle count, remaining test time, total runtime

    • Graphical programming and status view

    • Fixed or programmable operation modes

  • Connectivity Options:

    • Standard RS-232 / RS-485 ports

    • Optional Ethernet for remote monitoring and control

2.4 Safety & Protection

  • Electrical leakage protection

  • Over-temperature protection

  • Compressor overvoltage/overload protection

  • Heater short-circuit protection

  • Water shortage alarm


3. Technical Specifications

3.1 Capacity & Construction

  • Internal Dimensions: 350 × 200 × 350 mm (24.5L)

  • External Dimensions: Approx. 600 × 1150 × 950 mm

  • Internal Material: 1mm SUS#304 stainless steel, mirror finish

  • External Material: 1mm cold-rolled steel, powder coated

3.2 Temperature Performance

  • Range: –60°C to +150°C

  • Fluctuation: ±0.5°C

  • Uniformity: ≤2°C

  • Rate of Change: 1°C/min or 3°C/min (no load)

3.3 Humidity Performance

  • Range: 20% RH to 98% RH

  • Fluctuation: ±2% RH

  • Uniformity: ±3% RH

3.4 Power Supply

  • Power Source: Single-phase AC 220V, 50Hz

3.5 Additional Components

  • Compressors: Dual France Tecumseh units (cascade cooling)

  • Cooling Type: Air-cooled condenser with cooling fans

  • Humidifier: Stainless steel with automatic water supply

  • Heater: Nichrome stainless steel

  • Sample Trays: 2 × SUS#304 stainless steel

  • Cable Port: Ø50 mm for test lead access

  • Evaporator: Finned tube heat exchanger

  • Dry Filter: Filters moisture, acids, and particles to prevent system damage

  • Door Handle: Explosion-proof, user-friendly

  • Insulation: 100mm polyurethane + high-density glass fiber

  • Viewing Window: Double-layer vacuum glass with heated anti-fog coating


4. Compliance & Standards

This chamber complies with the following standards for environmental simulation testing:

  • GB 2423.1-2008 / IEC 60068-2-1:2007

  • GB/T 2423.2-2008

  • GJB 150.3A-2009

  • GJB 150.4A-2009

  • GB 2423.22-2008

  • GB/T 2424.5-2006