DEN1 Dendrometer Meter
Accurately measure and monitor tree growth rates using the DEN1 Dendrometer Meter, a wireless, stand-alone logging instrument that can support up to 5 DBV60 sensors.
For complete monitoring solutions, the DEN1 can used in combination with the SFM1 Sap Flow Meter, PSY1 Stem Psychrometer, LSM1 Light Sensor Meter or the ICT International automatic weather station.
Instrument Logging |
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| Analogue Channels | 5 Differential | ||
| Resolution | 0.00001V—24-Bit | ||
| Accuracy | 0.001V | ||
| Minimum Logging Interval | 1 second | ||
| Delayed Start | Suspend Logging, Customised Intervals | ||
| Sampling Frequency | 10Hz | ||
Data |
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| Communications | USB, Wireless Radio Frequency 2.4 GHz | ||
| Data Storage | MicroSD Card, SD, SDHC & SDXC Compatible (FAT32 format) | ||
| Software Compatibility | Windows 8.1 and 10. Mac OS X. | ||
| Data Compatibility | FAT32 compatible for direct exchange of SD card with any Windows PC | ||
| Data File Format | Comma Separated Values (CSV) for compatibility with all software programs | ||
| Memory Capacity | Up to 16GB, 8GB microSD card included. | ||
Operating Conditions |
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| Temperature Range | -10°C to +50°C | ||
| R/H Range | 0-100% | ||
| Upgradable | User Upgradeable firmware using USB boot strap loader function | ||
POWER |
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| Internal Battery Specifications | |||
| 960mAh Lithium Polymer, 4.20 Volts fully charged | |||
| External Power Requirements | |||
| Bus Power | 8-30 Volts DC, non-polarised, current draw is 190mA maximum at 17 volts per logger |
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| USB Power | 5 Volts DC | ||
| Internal Charge Rate | |||
| Bus Power | 60mA – 200mA Variable internal charge rate, maximum charge rate of 200mA active when the external voltage rises above 16 Volts DC |
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| USB Power | 100mA fixed charge rate | ||
| Internal Power Management | |||
| Fully Charged Battery | 4.20 Volts | ||
| Low Power Mode | 3.60 Volts – Instrument ceases to take measurements | ||
| Discharged Battery | 2.90 Volts – Instrument automatically switches off at and below this voltage when no external power connected. | ||
| Battery Life varies | |||
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Vandegehuchte, M. W., Guyot, A., Hubau, M., De Groote, S. R. E., De Baerdemaeker, N. J. F., Hayes, M., … Steppe, K. (2014). Long-term versus daily stem diameter variation in co-occurring mangrove species: Environmental versus ecophysiological drivers. Agricultural and Forest Meteorology, 192–193, 51–58. https://doi.org/10.1016/j.agrformet.2014.03.002
Vandegehuchte, M. W., Guyot, A., Hubeau, M., De Swaef, T., Lockington, D. A., & Steppe, K. (2014). Modelling reveals endogenous osmotic adaptation of storage tissue water potential as an important driver determining different stem diameter variation patterns in the mangrove species Avicennia marina and Rhizophora stylosa. Annals of Botany, 114(4), 667–676. https://doi.org/10.1093/aob/mct311