ProCheck: Decagon recommends the ProCheck Sensor Read-Out and Storage System for any SDI-12 installation. Among other capabilities, the ProCheck instantaneously reads and addresses SDI-12 sensors, taking away the hassle of trying to set addresses in serial mode before the SDI-12 session times out. Also, if your sensor line happens to go down, the ProCheck is the quickest and easiest way to find the faulty sensor and get the network back up and running as fast as possible. It is an invaluable and inexpensive tool. Learn more about this product on its product page or on the ProCheck: Your SDI-12 Sidekick page.
SDI-12 Bus: An SDI-12 bus allows you to wire multiple sensors to a single data logger port. SDI-12 busses are relatively easy to make. For step-by-step instructions on how to build your own bus, visit the Building a Bus page.
Multimeter: A multimeter can be used for testing the continuity of the wires on SDI-12 busses. Any multimeter set to read resistance (ohms) will do the job. For more specific information and instruction on multimeter usage, visit the Troubleshooting page.
Screwdriver: You need a flat-bladed screwdriver, 2.5 mm blade x 50 mm shaft, to connect wires to the common guillotine port. Screwdrivers are available from Campbell Scientific (model no. 8125; one is included with the purchase of any data logger), or from your local hardware store.