The Current sensor BT21i is a general-purpose
sensor to measure currents in the range
between -5 and 5 A. It has two banana (4-
mm) plugs for easy connection. The sensing
element is a 0.04 ? resistor connected
between the red and black terminals.
Range: -5 .. +5 A
Resolution (12-bit): 3.8 mA
Can be used to:
? investigate relationships between voltage
and current,
? verify Ohm?s law,
? measure currents in series and parallel
electrical circuits.
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