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DC power supply specifications (continued)

Performance specifications (continued)

Table 8. DC power supply performance specifications

Parameter

Specifications

S1S2 S1 S1m S2 S2m

Output ratings AUTO 30 V/1 A 100 mA/30 V 8 V/3 A 1000 mV/3 A

Front terminal load regulation

±(% of output + offset)

Voltage < 3 mV +

(6 mV/A)

< 3 mV +

(6 mV/A)

< 3 mV +

(6 mV/A)

< 3 mV +

(6 mV/A)

< 0.3 mV +

(6 mV/A)

Current < 0.03% +

0.3 mA

< 0.03% +

0.3 mA

< 0.03% +

0.03 mA

< 0.03% +

0.3 mA

< 0.03% +

0.3 mA

Rear terminal load regulation

±(% of output + offset)

Voltage < 0.01% +

3 mV

< 0.01% +

3 mV

< 0.01% +

3 mV

< 0.01% +

3 mV

< 0.01% +

0.3 mV

Current < 0.03% +

0.3 mA

< 0.03% +

0.3 mA

< 0.03% +

0.03 mA

< 0.03% +

0.3 mA

< 0.03% +

0.3 mA

Line regulation

Voltage 3 mV typical 3 mV typical 3 mV typical 3 mV typical 0.3 mV typical

Current 1.5 mA

typical

1.5 mA

typical

0.15 mA

typical

1.5 mA

typical

1.5 mA

typical

Programming resolution

Voltage 1 mV 1 mV 1 mV 1 mV 0.1 mV

Current 0.1 mA 0.1 mA 0.01 mA 0.1 mA 0.1 mA

Readback resolution

Voltage 1 mV 1 mV 1 mV 1 mV 0.1 mV

Current 0.1 mA 0.1 mA 0.01 mA 0.1 mA 0.1 mA

Front panel resolution

Voltage 1 mV 1 mV 1 mV 1 mV 0.1 mV

Current 0.1 mA 0.1 mA 0.01 mA 0.1 mA 0.1 mA

Transient response time

Less than 100 µs for output to recover to within 15 mV following a change in

output current from full load to half load or vice versa

Command processing time

Average time for output voltage to begin to change after receipt of digital data

when instrument is connected directly to the USB or GPIB is less than 100 ms

Over-voltage protection

(for CC mode)

Accuracy: 0.5% + 0.5 V

Activation time

: < 2 ms

Over-current protection

(for CV mode)

Accuracy: 0.5% + 0.05 A

Activation time

: < 2 ms

1. The terminal sense is related to the resistance of the contacts or leads, and proportional to the load condition.

2. Average time for the detection of OVP or OCP condition. The output will be dropped down and set to standby within 20 ms.

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