DZF-6050-Series is a vacuum oven with a KF25 adapter and a manual leak valve for venting. The maximum working temperature is 200 °C. Max vacuum level can reach 10^-2 torr at room temperatureSPECIFICATIONS: Features Stainless steel chamber with two layers of sample rack. Inner chamber size: 415 x 345 x 373 mm, 53 Liter, (L×H×D) A good vacuum sealing is achieved by the silicone gasket and the positive latch door. The double-layer window consists of 1/2" tempered glass and a transparent polycarbonate shield. An adjustable leak valve for venting KF25 Port connection with a vacuum pump. Power AC 110 - 120 V 50/60 Hz (ETL Certified)-- power cable and plug are included AC 208-240 VAC, power cable is included without a plug. 1400 VA Working Temperature RT+10 ~ 200°C, continuously +/- 1 ºC accuracy Temperature Controller Single-point PID temperature controller Built-in over-temperature protection Temperature control accuracy: +/-1°C Temperature uniformity: +/-5°C @ 100°C, 25" Hg at center 8" x 6.5" area only Vacuum Port KF-25 Port Ultimate Vacuum < 50 mTorr (at 200 °C),