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Ametek Sorensen SGI Series User Manual

Ametek Sorensen SGI Series
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Calibration and Verification Sorensen SGI Series
4-6 M550221-01 Rev U
4. Set the voltage source to 0.0 V 1mV.
5. Apply AC power, turn the unit on, and press “Output On” button to enable
the output (see Section 3.1.1).
6. Program the voltage to 100% of rated output voltage.
7. Set the programming voltage to 5.0 V 1mV.
8. Verify that the unit produces 100% 0.8% of rated output current. If
necessary, adjust R33 for 100% of rated output current through the shunt.
9. Set the programming source for 0.5 V 1 mV.
10. Verify that the unit produces 10% 0.8% of rated output current. If
necessary, adjust R47 for 10% of rated output current through the shunt.
11. Repeat the steps above as needed to obtain the required accuracy.
4.3.2 Constant-Voltage Mode
1. Disconnect AC mains power to the unit. Remove the current shunt from
the output and verify that there is no load attached.
2. Remove the precision meter leads from the current shunt and apply them
across the output terminals.
3. Setup the SGI Series unit to operate in remote voltage programming
mode using an external 0-5 VDC voltage source, as shown in Figure 3-17
in Section 3.11. Ensure that Pins J1-5 and J1-6 are jumpered to enable
the output.
4. Apply AC power, turn the unit on, and press “Output On” button to enable
the output (see Section 3.1.1).
5. Program the current to 100% of rated output current.
5. Verify that the unit produces 0 V ±0.25% of rated output voltage. If
necessary adjust R35 to obtain zero output volts.
6. Set the programming voltage to 5.0 V 1 mV.
7. Verify that the unit produces 100% ±0.25% of rated output voltage. If
necessary adjust R39 for 100% of rated output voltage.
8. Set the programming source to 0.5 V ±1 mV.
9. Verify that the unit produces 10% ±0.25% of rated output voltage. If
necessary adjust R35 for 10% of rated output voltage.
10. Repeat the steps above as needed to obtain the required accuracy.

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Ametek Sorensen SGI Series Specifications

General IconGeneral
BrandAmetek
ModelSorensen SGI Series
CategoryPower Supply
LanguageEnglish

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