Radio Modem - XStream-PKG
These RF modems work over long distances, have reliable and secure packet delivery, have seven channels and require little, if any configuration.
Long Range Performance
Outdoor line-of-sight Range: up to 7 miles (11 km) w/ 2.1 dB dipole antenna
Receiver Sensitivity: -110 dBm (@9600 bps)
Outdoor line-of-sight Range: up to 20 miles (32 km) w/ high-gain antenna
Advanced Networking & Security
Retries and acknowledgements for reliable packet delivery
7 Frequency Hopping Channels
Peer-to-peer (no master/slave dependencies), point-to-point, point-to-mulitpoint and multidrop network topologies supported
Book: Products
- Climate stations and instruments
- Data Communications Instruments
- Data collection instruments (loggers)
- Miscellaneous Products and Accessories
- Rainfall
- Water Flow Instruments
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Water Level Instruments
- Gas bubbler system - DAA H-355
- Gas bubbler system - ES&S Pumppro 6150
- Pressure loggers - Greenspan PS2100, PS3100
- Pressure sensors - Greenspan PS1000, PS7000
- Radar water level sensor - DAA H-3600
- Water Depth and Temperature Instrument - Unidata 8007WDP
- Water Depth and Temperature Sensor - Unidata 6542B
- Water Level Encoder - DAA H-331
- Water Level Encoder - Unidata 6541
- Water Level Recorder - NIWA Hydrologger
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Wave Gauge - NIWA DOBIE
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DOBIE Documentation
- Technical Note No. 98/1 - At What Depth Should DOBIE be Deployed?
- Technical Note No. 98/2 - Hardware Control Options Explained: Conversion of Volts to Pressure, DOBIE Calibration, Sensor Noise
- Technical Note No. 98/3 - Task 2 (Time Series) Explained; A Warning About "Water Depth"
- Technical Note No. 98/4 - Task 3 (Tide Gauge) Explained
- Technical Note No. 98/5 - Task 4/0 (Wave Statistics) Explained; Plus an Explanation of "Reality Checks"
- Technical Note No. 98/6 - Task 4/1 (Wave Spectrum) Explained
- Technical Note No. 98/7 - Power Management
- Technical Note No. 98/8 - Memory Management
- Technical Note No. 98/9 - More Wave Statistics
- Technical Note No. 99/1 - Measuring Waves in Lakes and Estuaries is Quite Tricky, data can be Improved by Adjusting Sensor Noise Level
- Technical Note No. 2000/1 - Conversion of Hydrostatic-Depth Spectrum to Sea-Surface-Elevation Spectrum
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DOBIE Documentation
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Water Quality Instruments
- Dissolved Oxygen Sensor - In-Situ Inc RDO
- Dissolved Oxygen Sensor - Zebra-Tech D-Opto SDI-12
- Dissolved Oxygen Sensors - Greenspan DO100, DO3000
- Electrical Conductivity Logger - Unidata 6536D
- Electrical Conductivity Sensors - Greenspan EC250, EC3000
- Multi-Parameter - In-Situ Inc Troll 9500
- Multi-Parameter Logging Sensor - Greenspan CS304/CS4-1200
- Multi-Parameter Sensor - Seba Hydrometric MPS Checker
- Oxidation Reduction Potential Sensor - Greenspan ORP3000
- Salinity Buoy - NIWA SB1
- Total Dissolved Gas Sensor - In-Situ Inc TDG
- Turbidity Sensors - Greenspan TS1000, TS3000
- Waterproof Portable Sensors - TPS WP Series
- pH Sensors - Greenspan PH1000, PH3000