DP40 Pivot Dendrometer
The DP40 pivot dendrometer is available as a SDI-12. Voltage, logging or integrated with Internet of Things systems for the measurement of small stem shrinkage and growth.
Pivot dendrometers are simple to install, ideally suited for the monitoring of individual branches on trees. The DP40 pivot dendrometer is available as a SDI-12. Voltage, logging or Internet of Things device for the measurement of small stem shrinkage and growth.
Measuring stem circumference changes over a range between 5mm and 40 mm, with a 0.5% accuracy, Stem Pivot Dendrometers are designed to be unaffected by temperature changes.
Ideally suited for the monitoring of orchard (fruit or nut) crops as part of an integrated monitoring network, the SDI-12 and Voltage versions can be integrated into IoT networks as the SNiP-DPS (SDI-12).
With SDI-12 and Voltage version (DPS40 and DPV40 respectively), as well as with a logger (DPL40), the pivot dendrometers are easy to integrate into sensing networks for the monitoring of tree and plant health.
Specifications
| Â | DPS40 | DPV40 |
| Measuring range: | 5 to 40 mm | 5 to 40 mm |
| Accuracy: | > 0.5 mm | > 0.5 mm |
| Linearity: | ± 0.5 % of full scale | ± 0.5 % of full scale |
| Resolution: | 1.24 µm | 1.24 μm |
| Power voltage: | 5 to 12 V | 5 to 12 V |
| Current consumption idle: | 20 µA | |
| Current consumption measurement: | 6 mA | |
| Current consumption | 0.75 mA | |
| Output voltage range | 1000 to 1700 mV | |
| Tightening strength: | 1.5 to 2 N lateral levers, 2 to 3 N central sensing jib | 1.5 to 2 N lateral levers, 2 to 3 N central sensing jib |
| Temperature working range: | -40 to 60 °C | -40 to 60 °C |
| Warm-up time: | 300 ms | |
| Connection: | 3-pin M8 connector male | 3-pin M8 connector male |
| Protection: | IP 67 | IP 67 |
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Case Studies and Application Notes
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