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EMS81 DL EMS Brno sap flow system with datalogger
EMS Brno EMS81 DL sap flow system with embedded MicroSet 8X datalogger, SF81 sensor and THB method for trees from 12 cm DBH.
EMS81 DL sap flow system with datalogger
EMS81 DL by EMS Brno is a sap-flow measurement system with embedded datalogger, designed to assess tree water regime under field conditions. The system is based on the tissue heat balance (THB) method, with variable power and constant temperature difference.
The configuration uses the MicroSet 8X unit for control, measurement and datalogging, together with the SF81 sap-flow sensor, stainless electrodes, weather shields and connecting cables. It is intended for stems from 12 cm DBH and provides results in kg/h per plant or kg/h per cm of stem circumference.
The manufacturer highlights that the constant-temperature-difference control avoids overheating of stem tissues and gives a realistic picture of tree water status. The system supports infrared wireless data access, an input for a stem increment sensor and Mini32 software for analysis, baseline processing, quick statistics and net sap-flow calculation.
| Reference | EMS81 DL. |
| System | EMS81 sap flow system with embedded datalogger. |
| Method | Tissue heat balance (THB) method with variable power and constant temperature difference. |
| Application | Assessment of tree water regime and field sap-flow measurement. |
| Stem diameter | For stems from 12 cm DBH. |
| Output units | kg/h per plant or kg/h per cm of stem circumference. |
| Measuring unit | MicroSet 8X controlling, measuring and datalogging unit. |
| Main sensor | SF81 sap flow sensor with stainless electrodes. |
| Additional input | Input for stem increment sensor. |
| Temperature difference | Constant temperature difference adjustable to 1, 2 or 3 K. |
| Data access | Infrared wireless data access and IrDA/USB interface. |
| Software | Mini32 support for time series, quick statistics, baseline commands and net sap-flow calculation. |
| Components | MicroSet 8X unit, SF81 sensor, stainless electrodes, weather shields, connecting cables and DR26E stem increment sensor. |
| Advantages | Efficient field measurement, no overheating of stem tissues and realistic picture of tree water status. |
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