Acclima TDR Series - Page 8

Command
Function
Sensor Response
aCC1!
.
aCC9!
Start Additional
Concurrent
Measurement –
Request CRC
a00000<CR><LF>
No data to be provided
aD0!
Get First 4 Data
Items in
response to a
Measurement
command: VWC,
Soil Temp., Soil
Permittivity, Soil
EC
Get the response
from a Verify
command
a + VVV.V + TT.T + PP.P + EEEE + CCCC<CR><LF>
where: a = device address
VW.V = volumetric water content %
TT.T = soil temperature degrees C
PP.P = soil permittivity
EEEE = soil bulk EC in µS/cm
CCCC = soil pore water EC in µS/cm
Data buffer
Populated by:
Command Description
Response to "aD0!"
none/abort
No data generating command has been issued, or a command was aborted. Data buffer is
empty.
a<CR><LF>
aM!
Fill data buffer with standard measurement
a+VVV.V+TT.T+PP.P+EEEE +CCCC
<CR><LF>
where:
VVV.V = Volumetric water (%)
TT.T = Temperature (°C)
PP.P = Permittivity (no units)
EEEE = Bulk electrical conductivity
(µS/cm)
CCCC = SOIL Pore Water EC
(µS/cm)
aC!
Fill data buffer with standard measurement concurrently with other sensors
Same as aM!
aMC!
Fill data buffer with standard measurement and CRC check in the data response
a+VVV.V+TT.T+PP.P+EEEE+CCCC<C
R><LF>
where:
VVV.V = Volumetric water (%)
TT.T = Temperature (°C)
PP.P = Permittivity (no units)
EEEE = Bulk electrical conductivity
(µS/cm)
CCCC = Soil Pore Water EC (µS/cm)
aCC!
Fill data buffer with standard measurement concurrently with other sensors and with a CRC
check in the data response
Same data as aMC!
aM1!
Fill data buffer with standard measurements
Same as aM!