Hanna Instruments HI 3512 User Manual

Page 68

• the log interval (5 chars): the value is in seconds; for

AutoEnd log the value sent is 11000

• the log starting time,

yymmddhhmmss (12 chars)

GLDxyqqq Requests all records of the qqq

lot from the specified chan-

nel and range (x - channel number; y - range first letter).
The command parameter (5 chars):

• x=1 request for channel 1
• x=2 request for channel 2
• y=P request for pH range
• y=M request for mV and Rel mV ranges
• y=I request for ISE range
• y=E request for EC range
• y=R request for Resistivity range
• y=T request for TDS ranges
• y=N request for NaCl range
• qqq=the qqqth lot of the requested range

The answer string contains:

• Log header data:

• The log type (2 chars)
• The lot number (3 chars)
• The number of records in lot (3 chars)
• The log the log interval (5 chars): the value is in

seconds; for AutoEnd log the value sent is 11000

• The offset, with sign and decimal point (7 chars)

(not available for ISE log)

• The slope for Channel 1 and the cell constant for

Cannel 2, with sign and decimal point (7 chars)
(not available for Rel mV log)

For Channel 2 only

• The TDS factor (for the TDS log only) or the

salinity factor (for the Salinity log only), with sign
and decimal point (6 chars)

• The temperature reference value (2 chars)
• The temperature compensation mode (2 chars)
• The temperature compensation coefficient, with

sign and decimal point (6 chars)

For both Channels

• The log starting time,

yymmddhhmmss (12 chars)