Ametek 1251RP Series, Руководство пользователя и программирования

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March 2011 RP Series
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6. Calibration
Routine calibration should be performed every 12 months. Non-routine calibration is only
required if a related assembly is replaced or if the periodic calibration is unsuccessful.
The calibration involves removing the top cover from the power source. Remove the line
power from the power source before removing the top cover. Some of the adjustments are
on the Oscillator Assembly A4. Other adjustment are on the DC-AC Board Assembly. Refer
to Figure 6-3 for the location of the adjustments.
6.1. Calibration Equipment
Digital Multimeter: Fluke 8840 or HP 34401A
100 milliohm Current Shunt: Isotek Model RUG-Z-R100-0.1 or equivalent
Load Bank: Various power load resistors will be needed
Table 2: Load and current
Model Range Current
max
Load
801RP 135V 6.0A
22.5
801RP 270V 3.0A
90.0
1251RP 135V 9.2A
14.6
1251RP 270V 4.6A
58.6
6.2. Routine Calibration
Setup:
Connect the test equipment to the power source as shown in Figure 6-1. Refer to Figure 6-3
for adjustment locations.
The DMM can be connected to the front panel connectors for convenience but will have to be
changed when switching voltage ranges. To avoid this, use the common output terminal at
the rear of the unit.
For best results use the output connectors (Front or Rear) that are typically used.