Bay Area Test Equipment Inc is one of the leading CE certified test chamber manufacturers and suppliers, welcome to buy and wholesale cheap and best CE test chamber from us. BTH Series Temperature & Humidity Chamber Excess moisture is very damaging to a multitude of products. Humidity Testing allows a manufacturer or Test Lab to see how their product will perform in these conditions. Temperature & Humidity Chambers offer the ability to achieve 20% to 98% Relative Humidity with temperature to test their product. BACL also offer options that can help you achieve 10% Relative Humidity if needed.