DV Vertical Dendrometer
Overview
Features
Details
Specifications
Case Studies and Downloads
Overview
The DV Vertical Dendrometer is for the measurement of vertical changes in stem dimension or stem curvature.
Suitable for the measurement of trees with a diameter greater than 8 cm, the measuring range is 11 mm, with a linearity of less than 1%.
Features
Details
- Complete with 5 m Sensor Cable, extendable to 100 m.
- Cable configuration: bare ended.
- Complete with 1 m Special Wire-Cable
Specifications
| Sensor model name | Vertical Dendrometer (DV) |
| Scope of application | Stems or branches |
| Suitable for diameter | 5 – 32 cm |
| Special features/limitations | 2x trunk screws for mounting |
| Measurement range | 11 mm linear |
| Resolution | Data logger dependent e.g.:
CR300 series: 0.01 µm Dendrometer logger DL18: 0.2 µm |
| Accuracy | Dendrometer dependent: max. ± 4.5% of the measured value (stable offset)
Data logger dependent e.g.: CR300 series: ± (0.04% of the measured value + 0.3 µm) Dendrometer logger DL18: ± (0.1% of the measured value + 0.45 µm) |
| Output signal | Analogue, 0V to Vex (excitation supply voltage) |
| Temperature drift of the sensor | < 0.2 µm/°C in the whole measurement range |
| Temperature coefficient of the stem embracing cable wire | < 1.4 ×10-6/K |
| Linearity | < 1% |
| Operational conditions | Normal outdoor field conditions, -25 to 70 ° C, 0 to 100% relative air humidity; unsuitable underwater and below snow cover |
| Weight (sensor without cable) | 13 g |
| Power supply | Vex (! stabilized !) 0.5 to 10 VDC,
Power consumption max. 0.28 µWh per measurement |
| Material | Stainless steel and aluminium |
Case Studies and Downloads
