数字万用表 3257-50

详细介绍

功能描述
DC Voltage range	420.0 mV to 1000 V, 5 ranges, Best accuracy: ±0.5 % rdg. ±2 dgt.
AC Voltage range	420.0 mV to 1000 V, 5 ranges, Best accuracy: ±1.2 % rdg. ±3 dgt. , Effective value rectifier
Frequency characteristics	420.0 mV: 50 to 100 Hz, 4.200 to 1000 V: 50 to 500 Hz
Resistance range	420.0 ohm to 42.00 M-ohm, 6 ranges, Best accuracy: ±0.7 % rdg. ±2 dgt.
DC Current range	42.00 μA to 10.00 A, 6 ranges,
Accuracy	±1.5 % rdg. ±4 dgt.
AC Current range 42.00 μA to 10.00 A, 6	±2.5 % rdg. ±5 dgt. , Effective value rectifier
at AC Current 50 to 500 Hz	50 to 500 Hz
Frequency range	0.50 Hz to 500.0 kHz, 5 ranges, Input level: 800 mV to 1000 V rms,
Accuracy	±0.02 % rdg. ±1 dgt.
Continuity	Possible (50 ohm ±30 ohm) or less
Diode check	Possible (3.4 V open terminal voltage)