Categories
Electrical measurement
Wheatstone bridge, accuracy class, range extension and internal-resistance determination. Strain-gauge technology has its own cluster.
04available
Choose the measuring circuit, enter the instrument data and check the uncertainty against the requirement.
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Calculators in this category
01Busch 2006, Gleichung zur Wheatstone-Abgleichbedingung
Wheatstone Bridge Calculator: Unknown Resistance
Calculate an unknown resistance from three known resistors of a balanced Wheatstone bridge.
Open calculator →02Busch 2006, Abschnitt 10.2 Genauigkeitsklasse
Meter Accuracy Class Error Calculator
Calculate the absolute error limit and relative error of an analogue meter reading from accuracy class, full-scale value and indicated value.
Open calculator →03Busch 2006, Abschnitt 10.3 und Aufgabe 10-10
Ammeter Shunt Resistor Calculator
Calculate the parallel shunt resistor that extends the range of an existing ammeter movement by bypassing most of the current.
Open calculator →04Busch 2006, Abschnitt 4.1.4 Der Grundstromkreis, Gl. (4.9)/(4.10)
Internal Resistance Calculator from Two Load Points
Calculate the internal resistance of a real voltage source from two measured terminal voltage and current pairs, without the open-circuit voltage.
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