digital multimeter, instrument 数字万用表，仪器仪表

Product Model: DT33B

3 1/2 Digital LCD Screen, Maximum Display Value 1999

Data retention with low-voltage symbol display

On-off test, backlight display, battery capacity measurement, DC voltage measurement, input resistance is approximately 10 mΩ

[t_function]--------[range]--------[accuracy]
DC Voltage: 200mV–500V 【±(0.5%+2dgt)]
Communication voltage: 200V-500V 【±(1.2%+1.0%dgt)】
DC Current: 2000μA–10A 【±(1.0%+2dgt)]
-- Resistance: 200Ω-200MΩ [±(0.8%+2dgt)]