The GeoWAN Crack Sensor Node interfaces to a linear displacement sensor. Its high precision sampling circuit powers the sensor and reports its measurements through Senceive’s GeoWAN wireless communications network to a GeoWAN Gateway.
The Crack Sensor Node interfaces to a linear displacement sensor. Its high precision sampling circuit powers the sensor and reports its measurements through Senceive’s wireless communications network to a Gateway.
Physical Specifications
| Parameter | Value |
|---|---|
| * Approximate values only | |
| Dimensions excluding antenna | 90 x 90 x 60 mm
90 x 96 x 60 mm (including vent) |
| Total Mass | 0.5 kg* |
| Housing Material | Die cast aluminium |
| Protection (BS EN 60529: 1992 + A2: 2013) | IP66 / IP67
IP68 at 1m for 24 hours Includes connectors while unmated |
| Mounting Options | Clearance holes for M4 socket head screw in bottom
M4 blind holes in side Plates and brackets available for magnetic fixing, track bed, stake and pole mounting, and many other applications |
| Operating Temperature Range | -40°C to +85°C |
GeoWAN Radio Specifications
| Parameter | Value |
|---|---|
| * Consult with Senceive for your application | |
| Communication Type | Star Topology |
| Frequency Band | 863MHz – 928MHz ISM Band |
| Maximum Transmit Power | 20dBm (actual transmit power depends on geography) |
| Range | Up to 15km depending on the environment and antenna* |
| Maximum Reporting Frequency | 30 Seconds |
| Sample Storage | Stores the latest 36 days of samples at a reporting interval of 30 minutes |
| Parameter | Value |
|---|---|
| Circuit Topology | Voltage divider |
| Stimulus | 2.5V, 100mA max |
| Resolution | 0.0015% of full scale |
| Noise Level | 0.005% of full scale (typical peak to peak) |
| Parameter | Value |
|---|---|
| Battery Type | Lithium Thionyl Chloride |
| Nominal Voltage | 3.6V |
| Nominal Capacity | 19000mAh |
| Typical Battery Life | 12-15 years at 20/30 minute reporting intervals, including when acting as a relay node |
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