Extech SD500 Humidity/Temperature Data Logger 32 to 122°F SD CardThe Extech SD500 Humidity Temperature Datalogger is a compact and versatile tool designed for monitoring environmental conditions with precision. It features a dual LCD that simultaneously displays relative humidity and temperature readings, offering clear visibility at a glance. With the ability to log data directly to an SD card in Excel format, this device makes data retrieval and analysis efficient and straightforward. The SD500 supports multiple