RTR507B Remote Data Logger with high precision temperature and humidity sensor, Ref SHB-3101. Temperature Range: -25 to +70°C, Accuracy ±0.3°C (0 to +55°C), Resolution 0.1°C. Humidity Range: 0-99%RH, Accuracy ±2.5%RH (at 25°C), Resolution 0.1%RH. Response Time 7 mins (t90% in air). Internal Memory 16,000 Readings (8,000 Data Sets), Logging Interval: 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30 or 60 min. 3.6V @ 1.2Ah, ½AA SAFT LS14250 ...