Fig. 1 permits conversion between frequency and wavelength. The f scale may be multiplied by a power of 10 if the scale is divided by the same power of 10

Wavelength-frequency convers...

A simple way to reduce the loading error, without r...

Equation (3.13) shows the dependence of the maximal relative error on *k. *Because in (3.10) x and 1 — x can be interchanged with no effect, we conclude that the relative error is symm...

Figure 3.4 is variation of the measured voltage of a potentiometer as a function of wiper position, for different values for *k. *This means that the input resistance of the voltage measurin...

Figure 3.3a shows the simplest signal conditioning for a potentiometer having a nominal resistance *R. *The linear or rotary movement from the device to be mea...

Figure 3.1. It consists of placing a known stable resistor in series with the unknown one. First a reading is taken across that resistor and then another reading across the unknown one. Afterward t...

A temperature in the range from 30°C to 40°C is to be recorded using a recorder that accepts a full-scale voltage of 100 mV. The probe chosen is based on linearized thermistors for which ma...

Some of the materials used are aqueous solutions of hygroscopic salts (LiCI, BaF2, P,05) deposited in a zigzag pattern between two electrodes on a plastic substrate. There are also probes where no ...

Figure 2.25, it is nearly exponential and ranges over four decades. The resistance must be measured with ac current having no dc component. The time constant (change to 63% of a step-change input) ...

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