Vaisala DPT146 - Manual (Page 48)

User's Guide _______________________________________________________________________
46 ___________________________________________________________________ M211372EN-D
Table 7 FORM Command Parameters
Measured Parameter Abbreviation in FORM Command
Dewpoint/frost point temperature Tdf
Dewpoint/frost point temperature,
converted to atmospheric pressure
Tdfa
ppm moisture, by volume H20
Pressure, absolute P
Temperature Ta
Table 8 FORM Command Modifiers
Modifier Description
x.y Length modifier (number of digits and decimal places)
#t Tabulator
#r Carriage-return
#n Line feed
"" String constant, length 1 ... 15 characters
#xxx ASCII code value (decimal) of a special character;
for example, #027 for ESC
ADDR Transmitter address (0 ... 255)
ERR Currently active transmitter errors in a four bit field:
bit0bit1bit2bit3bit4
bit0 T MEAS error
bit1 P out of range error
bit2 Fmeas error
bit3 Flash csum error
SN Transmitter serial number
TIME Time since transmitter was started or reset
Ux Shows the name of the measurement unit using “x” number
of characters. For example, U3 shows the name of the
measurement unit with three characters
CS2 Modulus-256 checksum of message sent so far, ASCII
encoded hexadecimal notation
CS4 Modulus-65536 checksum of message sent so far, ASCII
encoded hexadecimal notation
CSX NMEA xor-checksum of message sent so far, ASCII encoded
hexadecimal notation