Service manual

2 31
Performance Test
Performance Test
2. Performance Test
DC Bias Monitor Accuracy Test
This test checks the accuracy of the DC bias monitor.
Specification
Voltage Monitor Accuracy: ±[0.2 % + ( 5 + 0.3 × |Imon(mA)| ) mV]
at (23 ± 5) ºC
Current Monitor Accuracy: ±[1 % + ( 0.5 + |Vmon(mV)| / 10000) mA]
at (23 ± 5) ºC
Test Equipment
Description Recommended Model
Multimeter 3458A
61 cm BNC(m)-BNC(m) Cable p/n 8120-1839
Dual Banana-BNC(f) Adapter p/n 1251-2277
4TP-BNC Interface Box p/n 04294-61002
Procedure
1. Connect the equipment as shown in Figure 2-6
Figure 2-6 DC Bias Monitor Accuracy Test (voltage) Setup
2. Press Reset key (blue - ⇒) to initialize the multimeter, then Set it as follows.
a. Press [DCV] to set the measurement mode to DC voltage.