Dendrometer:
Efficient measuring instruments, proven in ecological research and applications of modern precision agriculture.
As highly precise and robust measurement instruments, dendrometers enable the continuous and high-resolution monitoring of minute changes in various plant organs, such as stems, branches, roots, or fruits, in both trees and herbaceous plants.
The changes recorded at the micrometer scale provide valuable information on growth dynamics, physiological status, and plant water status. Dendrometers therefore offer direct insights into plant responses to environmental conditions and stress factors.
Ecomatik dendrometers are designed for long-term use under a wide range of conditions, from tropical to polar regions, as well as for measurements in soil, beneath snow, or underwater. Their high reliability, low maintenance requirements, and low energy consumption make them versatile and cost-effective measurement systems for ecological research, forestry, and agriculture.
Flexible Integration and Modern Monitoring Systems
For flexible integration into existing measurement systems, all Ecomatik dendrometers are available with analog or SDI-12 interfaces and support wireless communication technologies such as NB-IoT and LoRaWAN. In combination with Ecomatik IoP-S and IoP-M nodes, measurement data can be transmitted in real time to the Ecomatik data platform, visualized, and efficiently analyzed.
Areas of application
- Monitoring of plant growth processes
- Studies exploring how environmental factors influence plant growth
- Precise dating of the beginning and end of the growing season
- Precise dating of frost events Monitoring of plantwater status, e.g.
in the context of:
-ecological research
-automated irrigation
-construction activities - Plant water content and water storage estimations
- Monitoring of static characteristics and stability of entire trees or individual branches, e.g. in forests, on roads or in parks
- Data-based crop yield forecasts
- Monitoring of water loss from fruits and vegetables during storage.
- Measurements: radius, diameter, circumference, fruit, vegetables, vertical changes
Technical features
- More than 20 years, Ecomatik dendrometers are successfully used in more than 60 countries worldwide (polar regions, tropics, high mountains)
- Very high measurement resolution up to 0.2 μm (depending on the respective data logger)
- Extremely low power consumption with several years of battery life, e.g. in IoT applications
- Special sensor design for minimal temperature drift
- Compatible with almost all common data loggers and microcontrollers with analog voltage input channels (e.g. also Arduino)
Different Dendrometer Types
| Type | Available Models | Suitable Diameter | Measurement Range |
| Radial Dendrometer | DR1, DR1W | > 8 cm | 11 mm |
| Radial Dendrometer | DR2 | > 8 cm | 25 mm |
| Radial Dendrometer | DR3, DR3W | > 5 cm | 11 mm |
| Radial Dendrometer | DR4 | > 8 cm | 50 mm |
| Radial Dendrometer | DR6 (quick-mount) | > 5 cm | 25 mm |
| Radial Dendrometer | DR7 (quick-mount) | > 5 cm | 11 mm |
| Diameter Dendrometer Small | DD-S1, DD-S2, DD-S2W | 0.1 - 5 cm | 11 mm |
| Diameter Dendrometer Small | DD-S3 | 0.1 - 5 cm | 25 mm |
| Combination Dendrometer | DR6/DD-S3 | 0.1 - 5 cm and > 5 cm | 25 mm |
| Combination Dendrometer | DR7/DD-S2 | 0.1 - 5 cm and > 5 cm | 11 mm |
| Diameter Dendrometer Large | DD-L1 | 3 - 30 cm | 11 mm |
| Diameter Dendrometer Large | DD-L1W | 3 - 20 cm | 11 mm |
| Diameter Dendrometer Large | DD-L2 | 3 - 30 cm | 25 mm |
| Diameter Dendrometer Large | DD-L3 | 3 - 30 cm | 50 mm |
| Root Dendrometer | DD-RO | < 2 cm | 11 mm |
| Circumference Dendrometer | DC1 | 5 - 30 cm | 11 mm |
| Circumference Dendrometer | DC3 | > 5 cm | 25 mm |
| Circumference Dendrometer | DC4 | > 5 cm | 50 mm |
| Fruit Dendrometer | DF3 (on request) | > 13 cm | 50 mm |
| Fruit Dendrometer | DF4 | 1 - 13 cm | 150 mm |
| Fruit Dendrometer | DF5 | 0.1 - 2.2 cm | 11 mm |
| Fruit Dendrometer | DF6 | 0.1 - 5 cm | 25 mm |
| Vertical Dendrometer | DV | > 8 cm | 11 mm |