Stevens Water Monitoring Systems, Inc.

- Model CS2/v2.0 - GOES Transmitter

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The Stevens SatComm GOES transmitter sends data via the GOES Data Collection System (DCS) at both 300 and 1200 baud data rates. It can operate with any data logger capable of exporting data packets through a serial port in any format designated by the logger and permitted by NOAA/NESDIS.

For even simpler and more cost-effective remote GOES-based monitoring stations, Stevens SatComm is also available with an optional internal data logger, adding the ability for sensors to be directly connected for data collection, storage and transmission with a single low-power device.

  • NESDIS CS2/v2.0 certified
  • Compatible with most 3rd party data loggers
  • Two data logger input modes:
    • Continuous listen to data logger mode
    • Trigger mode using CTS “clear to send”, with programmable advance turn-on time
  • Two-way communication port
  • Available with integrated data logger (4 analog, 1 pulse and 12 SDI-12 sensor inputs, 1 control output)
  • VSWR measurement ensures proper antenna connection after installation, and alerts you of potential problems proactively

Stevens SatComm is fully compatible with most 3rd-party data loggers (connection via standard RS-232 port) or can be configured with an optional integrated datalogger, allowing for basic data collection tasks and data transmission to be preformed within one compact unit.

VSWR measurement ensures good connection and signal path from the SatComm’s RF output to the antenna before the technician leaves the remote station. VSWR is continuously monitored as well, to protect expensive equipment in the event of damage to the RF connections, cabling, or antenna.

  • POWER REQUIREMENTS
    • Input voltage range : 10.5 to 16 VDC
    • Quiescent :
    • During GPS acquisition : 350 mA
    • 300 BPS transmission : 2.4 A (3 W max. with V2TH antenna)
    • 1200 BPS transmission : 3.5 A (10 W max. with V2TH antenna)
  • MAXIMUM OUTPUT POWER
    • 300 BPS transmission : 34.77 dBm (3 W max.)
    • 1200 BPS transmission : 40.0 dBm (10 W max.)
  • EXTERNAL INTERFACES
    • Computer interface : USB type-B
    • External logger : DB9-m connector interface
    • External touchscreen : DB9-f connector interface
    • DCP command : DB9-f connector interface
    • LED indicators : Transmit, receive, failsafe, power, GPS lock status, built in self test (BIST)
  • TIMEKEEPING
    • Transmission timing accuracy : Meets NESDIS specifications
    • GPS time accuracy : Within 0.01 s (10 ms) UTC
  • CERTIFIED ANTENNAS
    • Stevens V2TH : +5.5 dBic gain, RHCP
    • Stevens V4TH : +10 dBic gain, RHCP
    • Stevens Yagi : +11 dBic gain, RHCP
  • DATA TRANSMISSION
    • Reporting : Self-timed or random reporting
    • Format : ASCII or pseudo binary
  • PHYSICAL
    • Temperature : -40° F to +149° F (-40° C to +65° C)
    • Humidity : 0 - 95% relative humidity non-condensing
    • Dimensions (W x L x H) : 4.625” x 8.81” x 2.096” (11.75 x 22.38 x 5.32 cm)
    • Length Including mounting plate : 7.169”, face-to-face

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