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Data Loggers

Model 8950 GeoNet Satellite Network Data Logger | Discontinued

The Model 8950 Series includes the Satellite Addressable Data Logger, Satellite VW Data Logger and Satellite Tilt Logger (top, left to right), and the 4- and 8-channel Satellite VW Data Loggers (bottom, left to right) (this product has been discontinued).
  • The Model 8950 Series includes the Satellite Addressable Data Logger, Satellite VW Data Logger and Satellite Tilt Logger (top, left to right), and the 4- and 8-channel Satellite VW Data Loggers (bottom, left to right) (this product has been discontinued).

The Model 8950 Series Satellite Data Loggers offer high-value, networked data collection options for all GEOKON vibrating wire instruments and addressable sensor strings.¹ The 8950 Series data loggers are ideal for smaller networks with a limited number of sensors, high-traffic areas (i.e. areas with radio interference), dense urban environments and areas with no line-of-sight between data loggers.

The GeoNet Network Data Loggers can be added to sites with existing GeoNet 8800 Series, GeoNet 8900 Series and/or GeoNet 8910 Series Wireless Data Hosting Systems, allowing additional data loggers to be placed in locations beyond the range of existing mesh networks. The data loggers are ready for deployment and data acquisition may commence within minutes after installation.

The system is compatible with all GEOKON Vibrating Wire instruments, addressable sensor strings and addressable thermistor strings. Single, multichannel and addressable versions are available. Self-contained tilt loggers are also available, for attachment to structures, to wirelessly measure any tilting that may occur. The multichannel VW data loggers expand the capacity at each data logger, allowing clusters of closely spaced sensors or vibrating wire load cells, multipoint borehole extensometers or multilevel piezometers to be added to the system.

The GeoNet Network Data Loggers collect their respective sensor data and provide seamless and secure cloud integration via the Internet and GEOKON OpenAPI. GEOKON OpenAPI is easy-to-use and allows users to activate data loggers, change settings, configure sensor channels, and view current data logger status. Industry leading data visualization software or the no-cost GEOKON Agent Software can be used with GEOKON OpenAPI for data viewing and reporting.

The capacity of GeoNet Multi-Channel and Addressable Data Loggers can be expanded using the Model 8960 Series Digital Vibrating Wire Interfaces, and Solar Panels of various wattages are available.

¹Addressable MEMS, VW and Thermistor strings.

Specifications

VW Frequency Range
400-6,500 Hz
Data Transmission Interval
Min: 2 hours; Max: 24 hours
Power Supply
Rechargeable lithium battery / 5-24V external
Operating Temperature¹
−40 °C to +85 °C (−40 °F to +185 °F)
−40 °C to +65 °C (−40 °F to +149 °F) (Tilt Data Logger)
Tilt Range²
±90°
L × W × H
Please refer to the product instruction manual.

¹Lithium batteries will not charge below 0 °C.

²Tilt Data Loggers only. Calibrated range: ±30°

Please Note: GEOKON maintains an ongoing policy of design review and reserves the right to amend products and specifications without notice. Various instruments are discontinued over time and replaced with new, updated models.

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