This product is no longer available.
SSR100 Stage Sensor Recorder
Services Available
Repair No
Calibration No
Free Support No


This integrated system was retired because it contained a CR510 datalogger. The SSR100 monitored and recorded water level. It consisted of a data logger, shaft encoder, quadrature decoder, data display unit, and environmental enclosure. The system was pre-programmed to measure the shaft encoder, a user-supplied tipping bucket rain gage, and a user-supplied SDI-12 sensor. A GOES satellite transmitter could be added to the system. Earlier SSR100 systems used the SAT HDR GOES transmitter. The TX312 replaced the SAT HDR GOES transmitter when the SAT HDR GOES transmitter was retired.

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Detailed Description

The SSR100 is an integrated system that monitors and records water level. It consists of a shaft encoder and a Campbell Scientific data logger housed in an environmental enclosure. The system is pre-programmed to measure the shaft encoder, a tipping bucket rain gage, and an SDI-12 sensor. An alphanumeric LCD inside the enclosure displays the real-time measurements. A High Data Rate GOES satellite transmitter can be added to the system to transmit measurements via Geostationary Operational Environmental Satellites (GOES).

  • Integrated system that monitors and records water level
  • Includes:
    • Shaft encoder
    • Data logger
    • Enclosure (10" x 12")
    • DataView Alphanumeric LCD
  • Pre-programmed for quick installation
  • Data retrieval and sensor options (purchased separately):
    • High Data Rate GOES Transmitter
    • Tipping bucket rain gage
    • SDI-12 sensor
  • Enclosure mounting bracket has same footprint as USGS Automated Data Recorder
  • Float, float tape, end hooks, counter weight, and pulley available


Temperature Range -25° to +50°C (shaft encoder not responsive if water freezes)
Enclosure Dimensions 25.4 x 30.5 x 11.4 cm (10 x 12 x 4.5 in.)
Weight 9.1 kg (20 lb)

Shaft Encoder

Shaft Size 5/16" OD
Thread Count 24 per inch
Resolution 100 counts/revolution
Starting Torque < 0.125 inches per ounce

Data Logger

Storage 62,000 data points
Supply Voltage 9.6 to 16 V
Typical Current Drain
  • 1.3 mA (quiescent)
  • 13 mA (during processing)
  • 46 mA (during analog measurements)

Alphanumeric Display

Description CD294 DataView Display with 2-line, 32-character LCD
Current Drain
  • 1.5 mA (operating)
  • 12 µA (quiescent)

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