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Hanna Instruments HI 98188 User Manual

Page 57

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57

value (xx):

• xx=10 EC range
• xx=11 Resistivity range
• xx=12 TDS range
• xx=13 USP range
• xx=14 NaCl % range
• xx=15 Salinity, Sea water range
• xx=16 Salinity, PSUrange

The instrument will answer for these commands with:

>

where:

is 02 ASCII code character (start of text)
is 03 ASCII code character (end of text)
:
is 06 ASCII code character (recognized command)
is 21 ASCII code character (unrecognized command)
is 24 ASCII code character (corrupted command)

COMMANDS REQUIRING AN ANSWER
The instrument will answer for these commands with:

where the checksum is the bytes sum of the answer string sent as 2 ASCII characters.
All the answer messages are with ASCII characters.
RAS

Causes the instrument to send a complete set of readings in
according with the current range:

• EC and temperature readings or EC range.
• Resistivity, EC and temperature readings on Resistivity
• TDS, EC and temperature readings on TDS range
• Salinity, EC, and temperature or Salinity range.
The answer string contains:
• Meter mode (2 chars):

• xx=10 EC range

• xx=11 Resistivity range

• xx=12 TDS range

• xx=13 USP range
• xx=14 NaCl % range
• xx=15 Salinity, Sea water range
• xx=16 Salinity, PSU range