Emerson 3051S - Manual (Page 22)

Quick Installation Guide
00825-0100-4801, Rev HA
February 2008
Rosemount 3051S
22
Proof Test 2
This proof test, when combined with the Proof Test 1, will detect over
92% of DU failures not detected by the 3051S_C or 3051S_L
automatic diagnostics, and over 95% of DU failures not detected by
the 3051S_T automatic diagnostics.
Required tools: HART host/communicator and pressure calibration
equipment.
1. Perform a minimum two point sensor calibration check using the
4-20mA range points as the calibration points.
2. Check the reference mA meter to verify the mA output corresponds
to the pressure input value.
3. If necessary, use one of the “Trim” procedures available in the
3051S reference manual to calibrate.
4. Document the test results per your requirements.
NOTE
The user determines the proof-test requirements for impulse piping.
Visual Inspection
Not required.
Special Tools
Not required.
Product Repair
All failures detected by the transmitter diagnostics or by the proof-test
must be reported. Feedback can be submitted electronically at
www.emersonprocess.com/rosemount/safety/certtechdocumentation.
htm.
The 3051S is repairable by major component replacement. Follow the
instructions in the 3051S reference manual (document number
00809-0100-4801) for additional information.
4801_QIG_RevHA.fm Page 22 Tuesday, February 26, 2008 12:17 PM