User`s guide
Chapter 5 _________________________________________________________________ Operation 
SDI-12 Profile (v 1.3) 
SDI-12 is a standard for interfacing data recorders with 
microprocessor-based sensors. The name stands for serial/digital 
interface at 1200 baud. 
The SDI-12 Support Group is an association of companies that 
produce and use SDI-12 products with the purpose of reviewing 
requests to enhance, clarify, or modify the SDI-12 architecture 
and that votes on proposed changes to SDI-12. 
For the complete SDI-12 standard text and information on the 
SDI-12 Support Group, refer to the SDI-12 web-site at the 
following address: http://www.sdi-12.org. 
NOTE 
SDI
-12 sub modes A and B are not supported by WMT700. 
NOTE 
When 
establishing the terminal connection to WMT700, set the 
following communication settings for the SDI
-12 profile: 
Bits per second: 1200
Data bits: 7
Parity: 1
Stop bits: 1 
Flow Control: None
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