RAPID TEMPERATURE CHANGE TEST CHAMBER

Origin: China

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This is a temperature and humidity test chamber specifically engineered to simulate rapid thermal transitions at rates of 5 °C/min, 10 °C/min, or 15 °C/min. It enables high-precision evaluation of the durability and performance of materials, components, and finished products under extreme temperature and humidity fluctuations.

Table of Specifications of each model: 

Model Internal Volume (L) Inner Dimension (W×H×D, mm) Temperature Rising and Cooling Rate (°C/mins) Power (kW) Maximum Current (A) Weight (kg)
STH300-70W5N 300 700 × 700 × 600 5 30 45 850
STH500-70W5N 500 800 × 900 × 700 5 32 50 900
STH1000-70W5N 1000 1000 × 1000 × 1000 5 37 63 1050
STH420-70W10N 300 700 × 700 × 600 10 37 63 930
STH676-70W10N 500 800 × 900 × 700 10 40 65 1000
STH1000-70W10N 1000 1000 × 1000 × 1000 10 60 92 1180
STH420-70W15N 300 700 × 700 × 600 15 40 65 1050
STH676-70W15N 500 800 × 900 × 700 15 40 68 1150
STH1000-70W15N 1000 1000 × 1000 × 1000 15 68 105 1320

Notes:

All models support an operating temperature range from –70 °C to +150 °C and humidity range from 20–98% RH.

Models with suffixes W5N / W10N / W15N correspond to thermal change rates of 5°C/min, 10°C/min, and 15°C/min, respectively.

All models require a 3-phase 380V, 50Hz power supply, a circulating cooling water system, and a pure water supply.


Temperature & Humidity Range

  • Operating temperature: –70 °C to +150 °C

  • Humidity range: 20% – 98% RH (at 20 – 85 °C)

  • Temperature fluctuation: ±0.5 °C

  • Temperature deviation: ±2.0 °C

  • Humidity deviation: ±3% (>75%RH) or ±5% (≤75%RH)


Control System

  • 7” touch screen with 800×480 resolution, integrated PLC

  • Supports 3 operating modes: timed, manual (fixed setpoint), and automatic programmed cycles

  • Stores up to 32,000 program cycles; data export via USB or PC

  • Continuous data logging with 3-month storage capacity (1-minute recording interval)


Cooling System

  • Equipped with imported piston or scroll compressors (Copeland, Bitzer, Bock)

  • Uses R404A and R23 eco-friendly refrigerants

  • All condensers include filters to enhance system longevity


Materials & Safety Features

  • Inner chamber: SUS304 stainless steel

  • Outer body: Galvanized steel with electrostatic powder coating

  • Insulation: Heat-resistant fiberglass and PU foam

  • Safety protection: Phase loss, overheat, overcurrent, electric leakage, overvoltage, compressor protection, water shortage protection, etc.


Power & Consumption

  • Power supply: 3-phase, 380 V, 50 Hz

  • Power consumption: 30 kW – 68 kW

  • Max current: 45 A – 105 A

  • Weight: 850 kg – 1320 kg (depending on model)

  • Requires cooling water circulation (5–18 m³/h) and pure water supply system


Standard & Optional Accessories

Standard:

  • Heated glass observation window

  • Two cable ports (Ø50 mm)

  • Two sample trays

  • Four casters for mobility

  • Full protection system with alarm light and buzzer

Optional:

  • Automatic water supply system

  • External mobile sensors

  • Remote monitoring software

  • Sample trolleys

  • Ultra-dry environment generator (5 °C/5% RH)

  • Data loggers and more

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