Electronic timer 2901A

with temperature controlfor HVACfor agricultural applications

Electronic Temperature Controller Selco’s 2901 electronic controller uses NTC thermistors, a J- or K-type thermocouple, and/or switches to control a buzzer and an off-board 12VDC relay. The controller is supplied as an open board, ready to be placed into your unit or product. The thermistors and/or thermocouple sense temperature and the switch can have any number of functions such as door switch or pressure switch. User selectable modes include simple on/off temperature/time control, cook/heat and setback temperatures, or hold and cooking/heating temperatures. Modes are selected using 3-pushbutton switches (MODE/SET, DOWN and UP) on the front/top of the panel. A .56”, 4-digit display provides an easy-to-read display of temperature & time. The 2901A was designed in the USA and is built in our ISO certified factory. The units are conformal coated to protect the assembly from damage due to contamination, moisture, dust and other pollutants found in extreme environments. All units are 100% factory tested for functionality before being shipped to the customer. The 2901A is UL approved, file E230832. Customize your 2901A with Selco’s value-added thermocouple and NTC thermistor assemblies. Custom software also available. Specifications Features: User interface integrated Support for Thermocouple sensor K or J Solid state relay output Controller Type: Open Board Applications: Ovens Cooking equipment Input Power: 115VAC/230VAC factory set Input Sensors/Switches: One Thermocouple input Thermocouple J - 200°F to 450°F ±5 °F Thermocouple K - 200°F to 450°F ±1.8 °F Thermocouple K - 40°F to 900°F TBD Two NTC Thermistor inputs One External switch input