SDI-Link Wireless Bridge

Sutron’s SDI-Link provides a way for an SDI-12 data recorder to read one or more SDI-12 sensors located up to 1 mile away using un-licensed band radios. SDI-LINK is composed of two parts — Master Modules that connect to SDI-12 Data Loggers & Slave Modules that connect to SDI-12 Sensors.

  • The SDI-Link is fully SDI-12 V1.3 compliant and will work with any compliant sensor and data recorder.
  • The extended range of up to 1 mile LOS (line of sight) allows the user to get data from sensors that previously would have required a separate data recorder or long, expensive cables.
  • Able to communicate using SDI-12 or RS-232 mode
  • The SDI-Link comes in a NEMA-4 rated enclosure with built-in antenna that easily mounts outdoors on a wall or pipe.
  • The SDI-Link comes in two basic models – a master (WSDI-M) that connects to the data recorder and a slave (WSDI-S) that connects to sensors.
  • The slave model of the SDI-Link includes a battery charger so all you need to add for a standalone, remote sensor is a battery and solar panel.
  • Fully SDI-12 V1.3 Compliant
  • Full 2 way SDI-12 Communication
  • Always on ready for SDI-12 Communication
  • Up to a mile in range Line of Sight (LOS)
  • Multiple Slaves can connect to Master Node
  • Slave has built in Solar Regulator for stand alone use
General Specifications for All Version
-40° C to +60° C
10-16 VDC
  • Operating Voltage
Supports up to 20 watts
  • Solar Panel Regulator
WSDI-S 6 mA average typical WSDI-M 7mA average typical
  • Power Consumption
WSDI-S 6mA average typ WSDI-M 7mA average typ
  • Protocol
SDI-12 V1.3
  • RS 232
Available for setup and transparent mode
Range: Up to 1 mile Line of Sight (LOS) 5 dBi antenna built-in 8.5 dBi optional antenna with cable Frequency: 2.4GHz, unlicensed band
NEMA 4X lockable enclosure
  • Dimensions
7.5″ x 7.5″ x 5″ plus 6″ for antenna
  • Cable Glands
Two water tight PG9 for 0.16-0.31″ diameter cables One Water Tight ½” NPT for 0.20-0.35″ diameter cables
  • LED Status
LED to indicate network activity
Received signal strength indicator for master and slave Always on and ready for SDI-12 communications Optional I/O board for direct sensor measurements One Master can operate up to 10 Slaves



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