... Range20%R.H,30%R.H~98%R.HHumidity PerformanceVolatility ≤ ± 1 ~ 2% R. H, uniformity ≤ 3 ~ 4% R. HCooling ratesTemperature ... 3 ~ 5 °C / min, temperature ≥ 1 °C / min (average) Temperature and humidity controlPhysical Japan, Fuji / Korean ... lighting, stainless steel sample holder, Φ50mm standard lead holesStandardGB2423.1,GB2423.2, GB/T2423.3,GB10586,GB10589