Practical-instrument-electronics 830 Manual de usuario descargar pdf (Pagina 45)

Page 43

RTD, OHMS and Continuity Read

Resistance Ranges 0.00 to 401.00, 0.0 to 4010.0 Ohms

Accuracy ±(0.025% of Reading + 0.075 Ohms)

Excitation Current

1.0 mA to 401 Ohms, 0.5 mA to 4010

Ohms (nominal)

Continuity 0.0 to 401.0 Ohms; Beeps from 0.0 to

100.0 Ohms

RTD and OHMS Source

3 Wire & 4 Wire

Accuracy

F r o m 1 t o 1 0 . 2 m A

External Excitation Current

B e l o w 1 m A o f E x t e r n a l

Excitation Current

2 Wire Accuracy

±(0.025% of Full Scale + 0.075 Ohms)

±(0.025% of Full Scale+0.075 Ohms +

Add 0.1 Ohm to specifications listed above

Resistance Ranges 0.0 to 401.00 to 4010.0 Ohms

Allowable Excitation

Current Range

<401 Ohms: 10.2 mA max; steady or

pulsed/intermittent

401 to 4010 Ohms: 1 mA max; steady or

pulsed/intermittent

Pulsed Excitation

Current Compatibility

DC to 0.01 second pulse width

0.025 mV

mA Excitation Current

)

Specifications

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Practical-instrument-electronics 830 Manual de usuario Pagina 45