Other measuring device -Laboratory Current Meter Ammeter, 0 - 200 Microamperes, Resolution 2.5 AU Highlights brand generic Laboratory Current Meter Ammeter, 0 - 200 Microamperes, Resolution 2.5 AU Measuring range: 0 - 200 A / microampere, 2.5 A resolution Used to detect small currents and low emfs in DC circuits during experiments, such as thermocouples, photoelectric effects This meter can be converted to an ammeter, voltmeter or multimeter With three terminals , package with schematic diagram instructions Internal resistance RG1 is 500 ohms, RG2 is 2500 ohms; VG1 = 100 mV, VG2 = 500 mV specification: Measurement range: 0 - 200 A / microamp, resolution 2.5 A Internal resistance RG1 is 500 ohms, RG2 is 2500 ohms VG1 = 100 mV, VG2 = 500 mV Dimensions : 13 x 9.5 x 9.5 cm Material: plastic Package includes: 1 piece 200 uA Microameter