GroPoint - Model SDI-12 - GP-BTDL Bluetooth Datalogger - Operation Manual

The GroPoint Bluetooth SDI-12 Data Logger is an SDI-12 data logger and a wireless access point to retrieve data through a smartphone. The data logger is battery operated and can be left in the field (in situ) connected to SDI-12 sensors, collecting measurements, and allowing access to the data for download when convenient. The GP Reader app (free, available for Android devices only) is used to check current conditions, configure the logger sensor measurement list, and sample interval, and to download logged data. With the app open on your smartphone, simply push the button on the Bluetooth Data Logger to wake it up and automatically establish a wireless connection. Tap the Download button in the app to download all logged data.