Rapid-Rate Thermal Cycle Chambers
Rapid-Rate Thermal Cycle Chambers
  • Model: ESS-408S
  • Temp Range:-70~+150℃
  • Temperature Change Rate:5~25℃/min
  • Humidity Range:20~98%R.H
Products introduction

It is suitable for the adaptability test of the whole machine and parts of electronic and electrical products under the condition of rapid temperature change or gradual change, especially for the Environmental Stress Screening (ESS) test of electronic and electrical products, using the temperature acceleration technique to change the external environmental stress, Thermally stresses and strains the product.


Product aliases: double-layer rapid temperature change chamber, two-slot fast temperature change chamber, upper and lower two-chamber environmental stress screening test chamber.

Technical parameters
Model ESS-408s-c5
Studio volume 408 L
Heating and heating method -C: Non-linear
-SC: Linear
Heating and cooling rate 5/min
Temp.Range -40 +85
Humidity range 2098%R.H
Temp.uniformity ≤1.5
Temp.fluctuation ±0.5
Temp.deviation ≤±1.5
Humidity Uniformity ±3.0RHno load
Humidity fluctuation ±2.0RH
Humidity Deviation ±3.0RH(>75RH±5.0RH≤75RH
Inner chamber size/one zone W 850mm
H 600mm
D 800mm
Explosion-proof pressure relief port Mechanical explosion-proof pressure relief port, when the pressure exceeds the set value, the explosion-proof door will automatically open to remove the pressure inside the box and prevent damage to the equipment
Explosion-proof chain Add 2 explosion-proof chains on both sides of the door
Fire extinguishing device Fire extinguishing device 1: 9L water-based fire extinguishing agent, 2: 1230 gas fire extinguishing
Gas detection Type 1 gas detection device, detecting alkane gases: H2, CO
Protective device a. Protection switch for heater empty ignition prevention; b. Heater overcurrent circuit breaker; c. Overcurrent overload protection for circulating fan; d. Compressor high voltage protection switch; e. Compressor overheat protection switch; f. Compressor overcurrent Protection switch; g. Overvoltage and under-reversal protection switch; h. Circuit breaker; i. Leakage switch; j. Zero-crossing thyristor power controller; k. Water shortage protection

Product features

◎ Reasonable structural design, optimized freezing design.


◎ Wind speed frequency conversion adjustment, fast heating and cooling speed.


◎ High control precision, temperature fluctuation ≤±0.5℃, temperature deviation better than ±1.5℃.


◎ Meet the stress screening of electronic equipment products MIL-STD-2164, MIL-344A-4-14, MIL-2164A-19, NABMAT-9492, GJB-1032-90, GJB/Z34-516, IPC-9701...etc. Require.