1
Calibration Procedures
Performance Verification Tests
28
U1270 Series Service Guide
Table 1-2
Performance verification tests
Step
Test function
Range
5520 output
Error from nominal 1 year
U1271A
U1272A/
U1273A/U1273AX
1
[1]
Qik-V
Turn the rotary
switch to the
position.
1000 V
1000 V
±20 V
-
1000 V, 70 Hz
±250 V
-
Z
LOW
Turn the rotary
switch to the
position.
1000 V
3 V
-
±2.0 V
NOTE: First connect the COM and
Ω
terminals of the U1252B (or equivalent) to the COM and V terminals of the
U1272A/U1273A/U1273AX, then turn the U1272A/U1273A/U1273AX rotary switch to the
position before
proceeding with the following Z
LOW
functional test.
U1252B input
Z
LOW
Turn the rotary
switch to the
position.
1000 V
1.67 k
Ω
-
±0.167 k
Ω
[1] Functional test only.
Qik-V
Z
LOW
Z
LOW
Z
LOW
Содержание U1270 Series
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Страница 55: ...Service and Maintenance 2 Checking the Fuse U1270 Series Service Guide 55 Figure 2 1 Testing Fuse 1 Smart Smart...
Страница 56: ...2 Service and Maintenance Checking the Fuse 56 U1270 Series Service Guide Figure 2 2 Testing Fuse 2 Smart Smart...
Страница 58: ...2 Service and Maintenance Fuse Replacement 58 U1270 Series Service Guide Figure 2 3 Replacing Fuse 1 1 2 3...
Страница 59: ...Service and Maintenance 2 Fuse Replacement U1270 Series Service Guide 59 Figure 2 4 Replacing Fuse 2 1 2 3...