EL-USB-TP-LCD. Thermistor Temperature data logger with built in LCD display and USB port for downloading the data. Each logger is supplied with a 1.0m type 2 thermistor probe for a measurement range of -40 to +125°C. Logger is only suitable for use with thermistor probes using a 3.5mm jacket socket/plug connection, memory for 32,510 temperature readings. The button allows the operator to cycle through the current temperature plus the max and min logged temperatures. The replaceable internal battery is a long-life lithium battery which will last for up to 6 months.