Vacuum Temperature and Climatic chambers from Zetatek are a revolution in environmental testing. Simulating a wide range of environmental conditions from the equator to the poles and from the sea level to outer space. Test chambers of sizes varying from 100 litres to 2000 litres are available with temperature range from -70 °C to +180 °C, humidity range from 10% RH to 98% RH and vacuum levels up to 1mbar.