Four-input thermometer incorporates a powerful data logger and real-time clock. The HH309 accepts four Type K thermocouples and can display all four channels simultaneously; its data logger can store up to 16,000 records per channel at programmed intervals. Standard features include hold/max/min and power-off functions; Windows software; RS232 interface cable; and four 1-meter insulated beaded wire thermocouples. Omega Engineering, Inc., Stamford, CT• Four Type K Thermocouple Inputs • Displays 4 Channels Simultaneously or 2 Channels with Delta • Data Logger with 16,000 Records per Channel • RS232 Interface with Windows Software • Real-Time Clock • Auto Power Off • HOLD Function • MAX/MIN Function • Resolution 0.1°C/0.1°F • NIST Traceable Certificate of Calibration • Low Battery Indication