ISS Specifications

System Capacity:

  • 200 sensors, 20 ISDL-2400 data loggers, 40 ISR-2400 repeaters per ISG-2400 gateway.
  • Frequency of sensor readings can be adjusted between 2 and 120 minutes. Sensor sampling rate under 15 minutes will reduce battery life.

Electrical Input:

  • ISDL-2400 data logger: Four (4) D-cell alkaline batteries
  • ISR-2400 data logger: Four (4) D-cell alkaline batteries
  • Minimum battery life: Twelve (12) months at 20°C (68°F) assuming 100 sensor readings per day (every 15 minutes) in a network composed of 12 ISDL-2400 data loggers, 16 ISR-2400 repeaters, 1 ISG-2400 gateway and 120 sensors
  • ISG-2400 gateway: powered via PC USB port
  • Each gateway and repeater shall communicate directly with up to 8 network devices (data loggers and repeaters) to enable wireless mesh capability and ensure optimum radio communication.

Grounding Requirements:

  • ISDL-2400 data logger and ISR-2400 repeaters are battery-powered devices and do not have grounding requirements.

Wireless Network Requirements:

  • 2.4 GHz ISM DSSS (Digital Sequencing Spread Spectrum) unlicensed frequency
  • Power output 10mW and 63mW per country of use regulations
  • Protocol: DigiMesh™ proprietary mesh network
  • Communication Range: Unobstructed line of sight 800 yards

Data logger:

  • Capacity: 18 Rain Bird specified TSM-3 Soil Sensors that use SDI-12 protocol. Nine sensors per channel on 2 channels.
  • Electrical input: 4.1-6.5V using four (4) D-cell alkaline batteries
  • Data storage: Sensor data stored on 4GB or higher capacity SDHC card (card included)
  • Upgrades: Firmware can be upgraded using SD card
  • Display: 10-position menu and 4 soft keys for automatic and manual operation including system settings (Language, date, time, units), automatic and manual sensor operation, sensor setup, and special features. Display shall be backlit.
  • External antenna tuned for 2.4 GHz communication
  • Operating temperature: -10°C to -54°C (14°F-130°F)
  • Storage temperature : -40°C to – 66°C (-40°F to 150°F)


  • Electrical input: 4.1-6.5V using four (4) D-cell alkaline batteries
  • Languages: Same as Data Logger
  • Firmware upgrade using SDHC card (card not included)
  • 4 soft keys
  • Operating temperature: -10°C to – 60°C (14°F to -140°F)
  • Battery Operating temperature: -20°C to – 54°C (-4°F to 130°F)
  • Storage temperature: -40°C to – 66°C (-40°F to 150°F)


  • USB to serial to USB

TSM-3 Soil Sensors:

  • Sensor shall connect to a Rain Bird ISDL-2400 Wireless Data and provide soil moisture, salinity and temperature readings
  • Sensor shall take accurate readings immediately following installation and without calibration
  • Sensor shall measure soil conditions in undisturbed soil
  • Robust, long life materials and construction
  • Industry standard SDI-12 interface
  • Shall connect to a data logger through an 18-gauge three-wire cable that is at least 300 feet long. Sensor itself shall have a 25 ft long 18-gauge three-wire cable. Additional cable, not provided, is required to reach 300 feet.
  • Low power operation:
    • 9 to 20 VDC
    • <1 mA typical standby mode
    • 30 mA moisture read mode
  • Sensor shall measure and report:
    • Soil temperature
    • Absolute water fraction by volume (WFV) in % with loam calibration: 0.1 to 15 dS/m in-soil electro conductivity 1% stable WFV readings over the following conditions:
      • 10°C to 50°C (non frozen soil)
      • 0.1 to 4 dS/m EC

Hardware requirements:

  • Microsoft Windows 7 Professional or XP Professional SP3
  • PC with 300 MHz or higher processor
  • 128 MB of RAM
  • 3 GB of available hard disk space
  • Power Profile of computer should be configured to not sleep


  • English
  • French
  • Spanish
  • Chinese (simplified)
  • German
  • Portuguese
  • Swedish
  • Italian

Soil Manager (standalone monitoring): Dashboard view:

  • Sensor graph view with annotation capability
  • Sensor table view with annotation and export to Excel capabilities
  • Communication, power and sensor alerts
  • Diagnostics including network device battery level and signal strength status (RSSI)
  • User-defined email alerts for out of- range soil moisture, salinity and temperature values, communication and power status
  • Water budget recommendations available when one sensor is linked to a particular irrigation program

Soil Manager (with dynamic central integration enabled): Same as monitoring version, plus:

  • Full integration with any Rain Bird irrigation central control software version 7.1 or higher
  • Sprinkler runtime adjustment based on soil moisture measurements and water budget predictions