Constant temperature and humidity test chamber, is a best environmental test chamber, Adopt imported process design, Choose the original imported high quality parts, Stable and reliable performance. It is a reliability and efficiency environment test chamber which satisfies the test requirements. Model: 150CH~500CH Temp.Range: 10℃～60℃ Humi.Range: 50～90%RH Environment temperature: +5 ～ 35℃ Temperature Fluctuation: ＜±0.5℃ Temperature deviation: ＜±2.0℃ Humidity deviation: ＜ ±5%RH Power: AC 220V±10% 50HZ