Manual
TECHNICAL REFERENCE___________________________________________________________ 
60 __________________________________________________________________ M211097EN-C 
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 










