Monitor temperatures inside a refrigerator, freezer or other harsh environment The sensor's external temperature probe can be installed in a refrigerator, freezer or other harsh environment, while the sensor circuitry remains in a clean dry environment Choose between two temperature ranges; -20° to 115°F or -121° to 115°F Accurate to ± 1°F | ± .56°C Includes two AA batteries Optional power supply available WSG Wireless Temperature Sensors with External Probes are designed to work exclusively with the Sensaphone WSG30. This sensor circuitry includes a built-in radio transmitter. The sensors attach to a remote temperature probe so that temperature measurements can be made in a refrigerator, freezer or other harsh environments. The sensor is available in two temperature ranges; -20° to 115°F or -121° to 115°F. It comes with two AA alkaline batteries which will power the sensor for up to two years. An optional plug-in power supply is also available in which case the batteries become a backup if the main AC power fails. Technical Specifications Sensor Temperature Range: -121° to 115°F | -85° to 57°C or -20° to 115°F | -28° to 46°C Accuracy: 1°F | .56°CWireless Range: 300' | 90mConnection: WirelessHousing: PlasticDimensions: 3.1 x 3.9 x 1.1" | 79 x 99 x 28mm Sensor Series: WSG Wireless Downloads: WSG Wireless Temperature Sensor w/ External Probe CutsheetWSG Wireless Ultra Low Temperature Sensor w/ External Probe Cutsheet
