Chapter 1 Performance Tests
Agilent 53131A/132A/181A Operational Verification
Assembly-Level Service Guide 1-9
1
3 Press Channel 1 50Ω/1MΩ key.
The LED turns on, indicating a 50Ω input impedance for Channel 1.
4 Press Channel 1 DC/AC key.
The LED turns on, indicating DC input coupling for Channel 1.
5 Verify the DVM reads 51.1Ω ± 3Ω.
6 For Agilent 53131A/132A, mark Pass or Fail in the Agilent 53131A/132A
Performance Test Record on page 1-41, Test 5a.
6’ For Agilent 53181A, mark Pass or Fail in the Agilent 53181A Performance Test
Record on page 1-71, Test 4a.
7 Press Channel 1 50Ω/1MΩ key.
The LED turns off, indicating a 1 MΩ input impedance for Channel 1.
8 Verify the DVM reads approximately 1.0000000 MOHM.
9 For Agilent 53131A/132A, mark Pass or Fail in the Agilent 53131A/132A
Performance Test Record on page 1-41, Test 5b.
9’ For Agilent 53181A, mark Pass or Fail in the Agilent 53181A Performance Test
Record on page 1-71, Test 4b.
10 Repeat steps 3 through 9 for Channel 2 for the Agilent 53131A/132A Counter
ONLY since the Agilent 53181A Counter does not have a standard Channel 2.
11 For Agilent 53131A/132A, mark Pass or Fail in the Agilent 53131A/132A
Performance Test Record on page 1-41, Tests 6a and 6b.
12 Disconnect the test setup.
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