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Environmental Measuring Systems Brno
- Sap Flow Meter
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Technical Details
- Channels
12 (for small
stems or shoots)
- Sensor
diameters
8-12 mm and
12-18 mm (±2 mm allowed)
- Heating
technique
external soft
and flexible heater
- Output
variable
sap flow in
[kg/hr]
- Temperature
sensors
Special
Thermocouple
- Temperature
difference
4°C,
controlled
- Resistance of
heaters
100 Ohm
- Heating
current
maximum
0.125 A per channel
- Heating power
maximum 1.6 W
variable according to sap flow magnitude
Built-in datalogger Details
- Accuracy
0.3% of the
full scale
- Memory
capacity
512 KB
- Memory
capacity
220,000
values (> three months of measurement)
- Measuring
interval
10 sec to 2
minutes
- Storage
interval
10 sec to 1
hour
Other Details
- Energy supply
12 V D.C.
lead acid battery or DC power adapter
- Current
consumption
max 2.2 A
(Generally, the power consumption is proportional to sap flow
rate and the number of channels in use. Daily average of 0.2 to
0.5 A is supposed.)
- Working
temperature
-10 to 40 °C
- Weight
8 kg box, 12
kg cables, 2 kg sensors and accessories
- Box size
43 x 33 x 20
cm
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Sap Flow Meter |