This document describes a low temperature incubator model ACM-I03429B made by Technocracy Pvt. Ltd. for testing biochemical oxygen demand of wastewater. The incubator has a temperature range of 2°C to 90°C and is used to determine levels of organic matter and nitrogen in wastewater samples. It has features like PID temperature control, LED display, forced air circulation and can be used for applications like BOD determinations, enzyme assays, and bacterial culturing.