1 installation guide model 225 ultra-high purity pressure transducer 1-800-257-3872 toll free 1-978-264-0292 fax www.Setra.Com web site.
2 setra model 225 ultra high purity transducers 1.0 general information your setra pressure transducer has been carefully tested and calibrated before shipment. Model 225 perfor- mance specifications are listed on page 8 of this guide. Setra’s 225 pressure transducers sense gauge, compound or absolu...
3 2.3 pressure fitting mounting: model 225 can be installed with a male or female #4 face seal fitting, 1/4” npt male or female fitting, or a 1/4” tube stub. When installed units with face seal fittings: 1. Alight piping systems to transducer connections 2. Hand tighten nuts 3. Torque nuts by placin...
4 3.2 current output units the model 225 is a two-wire loop-powered 4 to 20 ma current output unit and delivered rated current into an external load of 0-800 ohms. The model 225 is available with a multi-conductor cable or various style connectors. Diagram 3 shows electrical connection wiring for cu...
5 3.3 etl listed to ansi/isa-12.2.01-2011 standards the current output unit may be installed in class 1 hazardous (classified) group a, b, c, d division 2 locations, if the unit was ordered n1 designation in the part number, 12 th and 13 th digits. Safety barriers are not required as long as the uni...
6 4.1 voltage output zero adjustment transducer zero may be adjusted by monitoring the voltage between +output and -output while turning the zero potentiometer screw. This adjustment should occur with atmospheric pressure applied for gage transducers. Absolute and compound transducers should be adju...
7 4.3 current output zero adjustment transducer zero may be adjusted by monitoring the current output while turning the zero potentiometer screw. This adjustment should occur with atmospheric pressure applied for gage transducers. Absolute and compound transducers should be adjusted while a full vac...
8 6.0 returning products for repair please contact setra (1-800-257-3872, (978) 263-1400) before returning unit for repair to review in- formation to your application. Many times, only minor field adjustments may be necessary. When returning a product to setra, the material should be carefully packa...
