Prema DMM 5017 - Meaning of the Mathematical Programs

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Mathematical Programs

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4-12

Meaning of the Mathematical Programs

Mathematical Program Conversion Meaning

1 Offset (Ofs) Display = x - a Subtraction of a constant

2 ax+b (Lin) Display = ax + b Linearization of the measuring range

3 Ratio (Rto) Display = x / a Ratio display

4 %Deviation (Dev) Display = 100 (x - a) / a Percentage deviation of the measurement

reading from a constant

5 dB .. Display = 20 log (x/a) Ratio of the measurement to a constant

voltage (current) a in decibels

6 dBm Display = 20 log (x/e)

e= 0.775V or 1.29 mA

Ratio of the measurement to a voltage

(current) corresponding to 1mW into a load

impedance of 600

Ω

Table: Meaning of the mathematical programs