Quick Start Guide April 2024 Contents About this guide........................... 3 Cleaning the transmitter......................5 Bracket mounting........................6 Installing on a tank........................8 Prepare the electrical connections..................12 Power up transmitter........................ 14 Configuration..........................15 Emerson.com/Rosemount...
April 2024 Quick Start Guide 1 About this guide This Quick Start Guide provides basic guidelines for the Rosemount 1408A Level Transmitter. Refer to the Rosemount 1408A Reference Manual for more instructions. 1.1 Safety messages WARNING Failure to follow safe installation and servicing guidelines could result in death or serious injury.
The transmitter and process seal may be hot at high process temperatures. Allow to cool before servicing. Note Be careful not to scratch or otherwise damage the PTFE sealing. 1.2 Product certifications See the Rosemount 1408A Product Certifications document for detailed information on the existing approvals and certifications. Emerson.com/Rosemount...
April 2024 Quick Start Guide 2 Cleaning the transmitter Procedure If needed, clean the wetted parts of the transmitter. Use a damp cloth and a mild cleaning agent suitable for the media and wetted parts of the transmitter. Note Be careful not to scratch any of the surfaces. Quick Start Guide...
3.1 Bracket hole pattern Figure 3-1: Hole Pattern 0.28 (7) 0.43 (11) 1.97 (50) Ø 0.28 (7) 30° Dimensions are in inches (millimeters). 3.2 Mount the bracket Procedure 1. Mount the bracket on the wall/ceiling or other flat surface. Emerson.com/Rosemount...
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April 2024 Quick Start Guide 2. Ensure the adjustable holder is directed toward the ground. 90° 3. Apply lubricating paste on the transmitter thread. Note The paste must be approved for the application and compatible with the elastomers used. 4. Secure the transmitter to the bracket. Mounting options: •...
Figure 4-1: Thread Engagement Length A. 0.35 to 0.63 in. (9 to 16 mm) 4.2 Mount on a threaded flange connection Procedure 1. Place a suitable soft gasket on the tank flange. 2. Place the flange over the gasket. Emerson.com/Rosemount...
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April 2024 Quick Start Guide 3. Tighten the bolts and nuts with sufficient torque for the flange and gasket choice. 0.75 in. (19 mm) 4. Apply lubricating paste on the transmitter thread. Note The paste must be approved for the application and compatible with the elastomers used.
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41 mm 3. Apply lubricating paste on the transmitter thread. Note The paste must be approved for the application and compatible with the elastomers used. 4. Mount the transmitter on the tank. Torque 310 in-lb (35 N-m) 39 mm Emerson.com/Rosemount...
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April 2024 Quick Start Guide 4.4 Mount on a threaded connection Procedure 1. Apply lubricating paste on the transmitter thread. Note The paste must be approved for the application and compatible with the elastomers used. 2. Mount the transmitter on the tank. Torque 310 in-lb (35 N-m) 39 mm Quick Start Guide...
5.6 Load limitations For HART communication, a minimum loop resistance of 250 Ω is ® required. Maximum loop resistance (R) is determined by the voltage level of the external power supply (U R = 44.4 × (U − 14) Emerson.com/Rosemount...
April 2024 Quick Start Guide Figure 5-1: Load Limits R (Ω) U E (Vdc) 19.6 5.7 Wiring diagram Figure 5-2: Connection Table 5-1: Pin Assignment Wire color Signal Brown 24 V White Not connected Blue Black Not connected According to IEC 60947-5-2. Quick Start Guide...
2. Insert the M12 connector gently. Note Do not force the connector into place. Check that it is aligned properly. 3. Once fully inserted, turn the screw ring until tight. See the manufacturer’s instruction manual for recommended torque. 4. Connect the power supply. Emerson.com/Rosemount...
• Device Type Manager (DTM ) compliant systems ™ 7.2 Download AMS Device Configurator AMS Device Configurator is a software for configuration of Emerson field devices using FDI technology. Procedure Download the software at Emerson.com/AMSDeviceConfigurator. 7.3 Confirm correct device driver Procedure 1.
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