31105 – Our instruments monitor and control both temperature and relative humidity. All meters and controllers in the series are high quality, highly accurate instruments featuring uncompromising accuracy. The instruments are simple to configure and use, while providing tremendous versatility and a wealth of powerful features. The LAE LTR-5ASRE is a 230VAC digital temperature controller with a 0-10V Input and 1 Relay Output, LED display and is capable of controlling refrigeration,