Summary of Test Report 06-8680-003, Revision 1 Nuclear Component Qualification Test Report for the Generic Qualification of Weed Instrument Company Temperature Sensor Assemblies Originally Prepared for Weed Instrument Company By Southwest Research Institute (SwRI), June 1987 DELIVERING CRITICAL MEASUREMENTS Nuclear Sensors & Process Instrumentation
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Summary of Test Report 06-8680-003, Revision 1Nuclear Component Qualifi cation Test Report for theGeneric Qualifi cation of Weed Instrument CompanyTemperature Sensor Assemblies
Originally Prepared for Weed Instrument Company
By Southwest Research Institute (SwRI), June 1987
DELIVERING CRITICAL MEASUREMENTS
Nuclear Sensors & Process Instrumentation
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The report is a summary of Reference Document Number 06-8680-003, Revision 1, “Nuclear Component Qualifi cation
Test Report for the Generic Qualifi cation of Weed Instrument Company Temperature Sensor Assemblies”. The testing was
performed using the IEEE standards and completed in 1987 by Southwest Research Institute.
An analysis made in 1991 affi rms (refer to document 0010-001-0005) that even though the seismic testing was performed
under IEEE 344-1975, the items are qualifi ed in accordance with IEEE 344-1987.
ConclusionsThe test items were successfully aged to a 40 year end-of-service-life condition. The aging performed included radiation,
thermal, humidity, and vibration. The test items were found to be functioning normally after aging tests were performed.
Resonance searches were performed on the test items in the frequency range of 1-100-1 Hz. The test items underwent
seismic qualifi cation testing, during which the items’ operations were monitored. The test items were monitored before,
during and after each seismic qualifi cation test with no signs of abnormal operation for any test performed. There was no
physical damage due to seismic testing.
The test items underwent temperature, pressure, and chemical spray profi les. The post test inspection revealed discoloration
and residue on the sensors. This is a normal, expected condition due to exposure to the environment and chemical spray.
Although this condition does not affect the operability of the sensors, it is considered a change from the as-received
condition and was documented. There were no failures during the test.
Subsequent to radiation, seismic, and LOCA testing, the items underwent a calibration check. The results of these calibration
checks were compared against the pre-test calibration check. The items passed the required qualifi cation tests.
Nuclear Sensors & Process Instrumentation
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Test Items
Table 1: Summary of Test Items
Style Model ID NumberNumber of Elements
Aging Seismic LOCA
RTD
612S1-B 1 Y Y N
S1-C 1 Y Y Y
N9007S2-A 1 Y Y N
S2-B 1 Y Y Y
N9004S3-A 1 Y Y Y
S4-A 2 Y Y Y
602S6-A 1 Y Y N
S6-C 1 Y Y Y
TC
N9018S-8C 1 Y Y Y
S9-A 2 Y Y Y
N9013S10-C 2 Y Y Y
S10-D 2 Y Y N
Drawings of the test items are on page 10Model 602 Spring-loaded, tapered RTD/thermowell assembly with single-hub connection head and Al2O3 sheath
insulation.
Model N9007 Direct immersion RTD assembly.
Model N9004 Tapered tip, fast time response RTD/thermowell assembly with single-hub connection head.
Model 612 Spring-loaded, tapered RTD/thermowell assembly with dual-hub connection head and MgO sheath
insulation.
Model N9018 Ambient air/steam leak thermocouple assembly with single-hub connection head.
Model N9013 Strap-on Style Thermocouple Sensor.
Summary of Test Report 06-8680-003
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Test Sequence
Aging
Radiation
Radiation aging was performed using a number of Cobalt 60 sources. The sources were arranged to give an even dose rate
to the items. The test items were instrumented with twenty dosimeters at the start of the radiation aging to measure the
total integrated dose received by the items. The test items were irradiated for 144 hours, 31 minutes for a total integrated
dose of 3.06 x 108 rads. Radiation aging and accident were combined into a single test.
Thermal
The test items were thermally aged at +140ºC for 32.04 days to a simulated end-of-service life of 40 years. The Arrhenius
equation was used to calculate the aging parameters.