Electrical connection Proline Promag L 400
24 Endress+Hauser
Reassembling the transmitter housing
!
WARNING
Excessive tightening torque applied to the fixing screws!
Damage to the transmitter.
‣
When reassembling, tighten the fixing screws as per the tightening torque:
Step
(see graphic)
Fixing screw Tightening torque for housing made of:
Aluminum Plastic
1 Housing cover 2.5 Nm (1.8 lbf ft) 1 Nm (0.7 lbf ft)
‣
Reverse the procedure to reassemble the measuring device.
6.3 Post-installation check
Is the device undamaged (visual inspection)?
Does the measuring device conform to the measuring point specifications?
For example:
• Process temperature
• Process pressure (refer to the section on "Pressure-temperature ratings" in the "Technical Information"
document on the CD-ROM provided)
• Ambient temperature
• Measuring range
Has the correct orientation for the sensor been selected ?
• According to sensor type
• According to medium temperature
• According to medium properties (outgassing, with entrained solids)
Does the arrow on the sensor nameplate match the direction of flow of the fluid through the piping ?
Are the measuring point identification and labeling correct (visual inspection)?
Is the device adequately protected from precipitation and direct sunlight?
Have the fixing screws been tightened with the correct tightening torque?
7 Electrical connection
The measuring device does not have an internal circuit breaker. For this reason, assign
the measuring device a switch or power-circuit breaker so that the power supply line can
be easily disconnected from the mains.
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