Yokogawa Button Operated DX2000 Manual de usuario descargar pdf (Pagina 4)

2. LOG Input Specifications

2.1. Converting the LOG Input (Relationship between the Input Voltage and Digital

Display)

Trend display (logarithmic scale): Displays the input voltage on a logarithmic

scale.

Digital display: Displays the result obtained by converting the

input voltage using the equation below.

¾ The relationship between the input voltage of special LOG range and digital

display value is shown below.

Input voltage X

Lower limit of display span VL Upper limit of display span VU

Scale lower limit SL Scale upper limit SU

VL Input X VU

1.0E

Y 1.0E

Digital display value Y = 10

(SU-SL)*(X-VL)/(VU-VL)+SL

1 2 3 4 5 6 7 8 9 ... 20 21

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Yokogawa Button Operated DX2000 Manual de usuario Pagina 4