Genie NI 5421 Manual do Utilizador descarregar pdf (Página 29)

Calibration

Power

Table 11.

Specification Valu e Comments

Self-Calibration An onboard, 24-bit ADC and precision voltage reference are

used to calibrate the DC gain and offset. The self-calibration

is initiated by the user through the software and takes

approximately 75 seconds to complete.

—

External

Calibration

The External Calibration calibrates the VCXO, voltage

reference, DC gain, and offset. Appropriate constants are

stored in nonvolatile memory.

—

Calibration

Interval

Specifications valid within 2 years of External Calibration. —

Warm-up Time 15 minutes —

Table 12.

Specification Typical Operation Overload Operation Comments

+3.3 VDC 1.9 A 2.7 A Typical.

Overload

operation occurs

when CH 0 is

shorted to

ground.

+5 VDC 2.0 A 2.2 A

+12 VDC 0.46 A 0.5 A

–12 VDC 0.01 A 0.01 A

Total Power 21.9 W 26.0 W

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 35 36

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Genie NI 5421 Manual do Utilizador Página 29