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Advanced operations
d. Hour.
e. For each channel:
• Channel number: C1, C2 or C3.
• Type of measurement: pH, EC, DO, etc.
• Measured value and units.
• Temperature value and units.
• Situation of relays:
Note: If the relay is disconnected, space in blank is sent.
f. Control characters <CR> (0d hexadecimal)
Calibration data
After calibration of any of the sensors, every instrument will send the following data
(separated by “;”):
a. Control character <STX>
b. Index, corresponding to the number of massages sent from every instrument. It
starts with the start up of every instrument and every instrument has its own index
of sent data.
c. Indicator of calibration data, C.
d. Serial number of the instrument.
e. Date and hour.
f. Calibrated channel number.
g. Type of measurement.
h. Calibration data.
i. Control characters <LF> <CR> <ETX>
5.2.2.2 Data sending from Data Logger
The stored data in the Data Logger of MultiMeter 44, measurements and calibrations, can
be sent at any moment. For this, in the main menu, go to “Consult Data Logger”. The data
from the Data Logger are identified with DL, it means:
• DLM, measuring data proceeding from Data Logger.
• DLC, calibration data proceeding from Data Logger.
• The rest of fields are identical to the on-line sending.
1. From the main menu select CONSULT DATA LOGGER. Confirm.
2. Select SEND DATA RS 485 and confirm.
Connected
Cleaning relay L
Channel Alarm A
Sensor Alarm AS
Limit 1 L1
Limit 2 L2
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