Calibration Procedures 3
Keysight E3633A and E3634A Service Guide 79
General Calibration/ Adjustment Procedure
The calibration procedures from the front panel are described in this section. For
voltage calibration, disconnect all loads from the power supply and connect a
DVM across the output terminals. For current calibration, disconnect all loads
from the power supply, connect an appropriate current monitoring resistor 0.01
Ω
across the output terminals, and connect a DVM across the terminals of the
monitoring resistor.
Note that the power supply should be calibrated after 1-hour warm-up with no
load connected.
The following table shows calibration parameters and points which should be
used to calibrate the output voltage and current.
Table 3-2 Parameters for calibration
Calibration Parameter Voltage/ Current Calibration Point Mnemonic
CAL SETUP 1 Voltage
V LO
V MI
V HI
CAL SETUP 2 OVP None
CAL SETUP 3 Current
I LO
I MI
I HI
CAL SETUP 4 OCP None
You can terminate any CAL SETUP without changing its calibration constants by
turning off power.
Perform the voltage calibration prior to the OVP calibration and the current
calibration prior to the OCP calibration.
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