Mastech M9803R True RMS Bench Type Digital Multimeter with RS232C Standard Interface

Mastech M9803R bench-type top LCD digital Multimeter with RS232 interface and connected with computer features: display: digital and analog display, 3999 Counts and 42 segments bar graph, digit is 18mm high auto range and manual range data hold, max/min relative measurement storage data display/recall true RMS for AC voltage and current back light ADP measurement: 400mv0.3 percent , 10 digit/1mV DC continuity Test diode Test RS232C standard interface power source: AC or DC power supply specific at ions: DC voltage: 0-400m-4-40-400-1kv0.3 percent AC voltage: 0-4-400.8 percent -400-750v1.2 percent (40hz-1khz) DC current: 0-4m-40m-400m0.8 percent -10A2.0 percent (20a for 30 sec.) AC current: 0-4m-40m-400m1.5 percent -10A2.0 percent (20a for 30 sec.) resistor: 0-400-4k-40k-400k0.5 percent -4m1.0 percent -40mohm1.5 percent capacitance: 0-4n-40n-400n-4u-202.0 percent -40uf5.0 percent frequency: 0-100-1k-10k-100k-1mhz0.1 percent Hfe: 1～1000