Campbell-scientific CR800 and CR850 Measurement and Control Systems Manual do Utilizador descarregar pdf (Página 275)

100

101

Section 8. Operation

275

where

GainError=±(2500*0.0006)

=±1.5mV

and

OffsetError=1.5•667µV+1µV=1.00mV

Therefore,

Error=GainError+OffsetError

=±1.5mV+1.00µV

=±2.50mV

Incontrast,theerrorfora500‐mVinputunderthesameconstraintsis

±1.30mV.ThefigureVolt

ageMeasurementAccuracy

(p.275)illustrates

thetotalerrorwithrespecttovoltagemeasurementsforthe±2500‐mV

range.

Figure 87: Voltage measurement accuracy (0° to 40°C)

1 2 ... 270 271 272 273 274 275 276 277 278 279 280 ... 565 566

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Campbell-scientific CR800 and CR850 Measurement and Control Systems Manual do Utilizador Página 275

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