HOBO^® Pendant® MX2202 Water Temp/Light Data Logger

Temperature Sensor - Range: -4°F to 158°F (-20°C to 70°C) in air or -4°F to 122°F (-20°C to 50°C) in water; Accuracy: ±0.5°C from -20°C to 70°C (-4°F to 158°F); Resolution: 0.072°F (0.04°C); Drift: <0.18°F (0.1°C) per year; Response Time: 17 minutes typical to 90% in air moving 1 m/s, unmounted or 7 minutes typical to 90% in stirred water, unmounted. Light Sensor - Range: 0 to 167,731 lux (15,582 lum/ft2); Accuracy: ±10% typical for direct sunlight. Transmission Range: Approximately 100´ line-of-sight. Wireless Data Standard: Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0). Operating Range: -4°F to 158°F (-20°C to 70°C) in air. Logging Rate: 1 second to 18 hours. Waterproof: To 100´. Memory: 96,000 measurements. Battery: CR2032 3V lithium. Battery Life: 1 year typical at 77°F (25°C) with logging interval of 1 minute and Bluetooth Always Off disabled in software; 2 years typical at 77°F (25°C) with logging interval of 1 minute and Bluetooth Always Off enabled in software. Time Accuracy: ±1 minute per month at 77°F (25°C). Full Memory Download: Approximately 45 seconds. Dimensions: 1.32˝ x 2.22˝ x 0.63˝. Weight: .45 oz.