LR5001 Temperature Humidity Data LoggerHioki compact 1 or 2 channel data loggers feature a 60,000 data set channel memory to measure temperature, humidity, voltage, or instrumentation signals. The LR5001 logs temperature and humidity over 2 channels in as fast as 1 second intervals. FEATURES Transfer data to PC even during recording Replace batteries while recording (30 seconds limit) (*1) Measurement data is preserved even after the battery dies Easily mount the light weight, pocket sized