Stevens Water Monitoring Systems, Inc.

- Complete Monitoring Station Platform

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Avo is a complete monitoring station platform. It includes all hardware, software and services needed for data acquisition, cloud-based data storage, viewing and analysis. It makes any sensor data easily accessible and the station remotely configurable. Just add sensors.

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  • All-in-one integrated system for quick, reliable deployments.
  • Weatherproof packaging for deployment in harsh climates.
  • Pole or panel mounting options
  • Supports SDI-12, analog, and pulse sensors, providing flexible deployment options. 
  • Integrated cellular transceiver with intelligent network connection.
  • Data logged locally on an SD card as redundant backup.
  • Pre-provisioned for instant cellular network connection and simple, reliable setup (user-supplied SIM cards outside USA).
  • No software installation, simplifying your IT infrastructure.

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  • All-in-one integrated system for quick, reliable deployments.
  • Waterproof and weatherproof packaging for deployment in harsh environments.
  • Mounts directly to a pole, or it can be placed inside another enclosure with an externally mounted antenna.
  • Supports SDI-12, analog, and pulse sensors, providing flexible deployment options.
  • Integrated cellular transceiver with intelligent network connection management ensures low-power, extremely reliable data acquisition.
  • Data logged locally on an SD flash storage card as redundant backup.
  • Pre-provisioned for instant cellular network connection and simple, reliable setup (use user-supplied SIM cards outside USA).
  • No software installation, simplifying your IT infrastructure.
  • One year subscription to Stevens-Connect cloud hub software is included.

Image
  • All-in-one integrated system for quick, reliable deployments.
  • Waterproof and weatherproof packaging for deployment in harsh environments.
  • Mounts directly to a pole, or it can be placed inside another enclosure with an externally mounted antenna.
  • Supports SDI-12, analog, and pulse sensors, providing flexible deployment options.
  • Integrated cellular transceiver with intelligent network connection management ensures low-power, extremely reliable data acquisition.
  • Data logged locally on an SD flash storage card as redundant backup.
  • Pre-provisioned for instant cellular network connection and simple, reliable setup (use user-supplied SIM cards outside USA).
  • No software installation, simplifying your IT infrastructure.
  • One year subscription to Stevens-Connect cloud hub software is included.

Image
  • All-in-one integrated system for quick, reliable deployments.
  • Weatherproof packaging for deployment in harsh climates.
  • Pole or panel mounting options
  • Supports SDI-12, analog, and pulse sensors, providing flexible deployment options. 
  • Integrated cellular transceiver with intelligent network connection.
  • Data logged locally on an SD card as redundant backup.
  • Pre-provisioned for instant cellular network connection and simple, reliable setup (user-supplied SIM cards outside USA).
  • No software installation, simplifying your IT infrastructure.

Sensor expansion adapter permits multiple sensors to connect to Avo`s sensor port.
  • All-in-one integrated system for quick, reliable deployments.
  • Weatherproof packaging for deployment in harsh climates.
  • Pole or panel mounting options
  • Supports SDI-12, analog, and pulse sensors, providing flexible deployment options. 
  • Integrated cellular transceiver with intelligent network connection.
  • Data logged locally on an SD card as redundant backup.
  • Pre-provisioned for instant cellular network connection and simple, reliable setup (user-supplied SIM cards outside USA).
  • No software installation, simplifying your IT infrastructure.

User-installable sensor connectors available to adapt your existing sensors to work with Avo.
  • All-in-one integrated system for quick, reliable deployments.
  • Weatherproof packaging for deployment in harsh climates.
  • Pole or panel mounting options
  • Supports SDI-12, analog, and pulse sensors, providing flexible deployment options. 
  • Integrated cellular transceiver with intelligent network connection.
  • Data logged locally on an SD card as redundant backup.
  • Pre-provisioned for instant cellular network connection and simple, reliable setup (user-supplied SIM cards outside USA).
  • No software installation, simplifying your IT infrastructure.

  • Temporary sensor deployments where simplicity and quick assembly / disassembly are important.
  • Linking existing sensors directly to the cloud.
  • Any environmental monitoring application where minimizing complexity and maximizing reliability is important.

  • Unified data interface experience: Sensor configuration, data storage, custom algebraic equations, custom data formats and forwarding, control, analysis, alarm notifications (email, SMS), reporting and actions all done with one simple cloud-based user interface.
  • Easy configuration: Configure with any device connected to the Internet via the cloud-based Stevens-Connect. No custom programming or scripts required.
  • Automated updates: Updates to firmware and cloud-based application can be automatic.
  • Security: Three user access levels for configuration, data management interface and visualization. Data is saved on SD card and on the secured and redundant Amazon Cloud Services. Optional data encryption available.
  • Connection verification: eTracker verifies connection with cell network and server connection before data is sent. If no connection is available or if data reception is not confirmed, data is saved and sent the next scheduled transmission.
  • Data format flexibility: Optionally forward data in various formats for third party so ware platforms, like Aquarius or WISKI, and in other formats such as binary, pseudo-binary, SHEF, and more.
  • Direct data access options: Third-party programs can access data using REST API or HTTP post.

General

  • Data Storage: Removable 2 GB SD memory card (FAT 32)
  • Non-volatile memory: All setup parameters
  • Logging interval: 1 second to 24 hours (sensor dependent)
  • Reporting interval: 2 minutes to 24 hours
  • Cellular communications:
    • Dual band CDMA 800, 1900 MHz
    • Penta-Band HSPA+
    • GSM Quad band 850, 900, 1800, 1900 MHz
    • UMTS/HSPA Penta Band 850, 900, 1700, 1900, 2100 MHz
    • EGPRS / WCDMA / HSDPA / HSUPA Protocol Stack

Current consumption

  • Listen/trigger mode/idle:
  • Data receive/store/prepare for transmission: 150 mA
  • Data transmit: 250 mA

Power

  • Battery: 10 Ah Li-ion
  • TX output power: 24.3 dBm (270 mW)
  • Solar panel: 5W, 12V

Sensor Input

  • Analog input:
    • 4 analog channels, single-ended
    • Input type: 2 wire, 0 –2.5 V or4 - 20 mA current loop (accessible DIP switch)
    • Sensor power: 24 VDC switched (under firmware control)
    • Analog to digital (0-2.5 VDC): 21-bit resolution
  • Pulse input:
    • 2 pulse channels
    • Input type: Edge triggered
    • Maximum rate: 4 pulses per second
  • SDI12 Input:
    • Number of sensors: up to 10 sensors
    • Sensor power: 12 VDC switched, during measurement

Environmental

  • Operating temperature: -20°C to 65°C (-4°F to 167°F). Battery won’t charge below 0°C.
  • -40°C to 75°C (-40°F to 167°F) with extended temperature option
  • Storage temperature: -40°C to 85°C (-40°F to 185°F)
  • Lightning protection: AC transient voltage suppressor (TVS) on each sensor port input

Physical

  • Dimensions (H x L x W): 1.6” (4.1 cm) x 6.7” (17.0 cm) x 4.8” (12.2 cm)
  • Weight: 10.78 oz (305.6 g)

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