Revision 13 ST 700 SmartLine Pressure Transmitters User’s Manual Page 79
5.5.1 Zero Adjustment
This adjustment is the same as performing a Set LRV using the display.
1. Connect a current meter or voltmeter as shown in Figure 16 to monitor the PV output of the
transmitter.
2. Using an accurate pressure source, apply pressure equivalent to the transmitter LRV.
3. Press the Down (↓ ) and Zero ( ) buttons together to set the Zero.
4. Verify that the output is now 4 mA.