30L, 50L min benchtop temperature humidity test chambers are small, bench-top type test chamber for simulating temperature and humidity environments,low types available -20℃/-40℃/-60℃/-70℃,10% – 98% RH. Included only temperature, temperature and humidity test chambers. Widely used in electronics, automotive, battery, manufacturing, research and laboratories. Its very good advantages are small, desktop, small footprint, portable, stable performance and Full function.