Описание
https://global.ntl.de/products/schulerexperimentiergerate/schulerexperimentierboxen-seb/messgerate/voltmeter.html
Волтметър NTL P3220-1V
Analogue meter for measuring voltage, for student experiments;
measuring ranges (DC and AC): 100, 300 mV, 1, 3, 10, 30 V
switch: DC, AC, battery check, Off
moving coil instrument with mirror scale, arc length: approx. 90 mm
overload protection with diodes
accuracy: 2% (DC), 3% (AC)
internal resistance: 100 kOhm/V
frequency range at AC: 15 Hz – 20 kHz
max. input voltage: 30 V eff
powered by 4 x AA Batteries (reserve energy: approx. 3 years)
dimensions: approx. 200 x 140 x 100 mm
weight: approx. 610 g
