Command
Function
Sensor Response
aC1!
Fill data buffer with standard measurements concurrently with other sensors
Same as above
aMC1!
Fill data buffer with standard measurement and CRC check in the data response
Same as aMC!, except Bulk
electrical conductivity (EEEE) is
normalized to 25 °C
aCC1!
Fill data buffer with standard measurement concurrently with other sensors and with a CRC
check in the data response
Same as above
aV!
Verify Sensor operation. This command produces the same result as the aM! Command
Same data as aM!
aD1!
.
aD9!
No data for these commands
al!
Send
Identification
aSSVVVVVVPPPPPPcccxx...xx
a13Acclima TDR315 1.3xx…xx
<CR><LF>
ss= SDI-12 version 1.3 (2 ch)
v= Vendor ID Acclima (8 ch)
p= Product ID (6 ch)
c= Product Version (3 ch)
xx...xx= Serial Number (13 ch)
aM!
aMC!
Start Non-
Concurrent
Measurement
Start Non-
Concurrent
Measurement
–
Request CRC
a0015
<CR><LF>
Measurement takes 1 second and returns 5 values.
a
<CR><LF>
Sensor returns a Service Request after measurement is made.
The data can be retrieved using a aD0! command
