Page 48 STT750 Temperature Transmitter User’s Manual Revision 4
Notes
1. Operating Parameters:
4-20 mA/HART (Loop Terminal)
Voltage= 11 to 42 V Current= 4-20 mA Normal (3.8 – 23 mA Faults)
2. Intrinsically Safe Entity Parameters
For details see Control Drawing on page 51 of the User’s manual
IEC 61508 SIL 2 for non-redundant use and SIL 3 for redundant use according to
EXIDA and TÜV Nord Sys Tec GmbH & Co. KG under the following standards:
IEC61508-1: 2010; IEC 61508-2: 2010; IEC61508-3: 2010.
Issued by NMi Certin B.V. in accordance with WELMEC guide 8.8, OIML R117.1
Edition 2007 (E), and EN 12405-1+A2 Edition 2006. Applicable to Pt100 sensor only.
Lloyd’s Register Certificate Number: 16/60011
Environmental categories ENV1, ENV2, ENV3 and ENV5 as defined in Lloyd’s
Register Test Specification No. 1, February 2015
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