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SM245A
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SM245A 4 1/2 DIGITAL MULTIMETER

Specification
1﹜DC Voltage:
Input Impedance:100M次 for 200mV‵2V Range
10M次//10pF for 20V‵1000V Range

Maximum input voltage:100VDC

Range Accuracy Resolution
200mV ㊣(0.05%+2) 10米V
2V ㊣(0.05%+2) 100米V
20V ㊣(0.05%+2) 1mV
200V ㊣(0.05%+2) 10mV
1000V ㊣(0.05%+2) 100mV

 

 

 

 

2﹜AC Voltage:True--RMS,AC Coupling
Input Impedance:1000M次 for 200mV‵2V Range
10M次 // 10pF for 20V~700V Range
Maximum input voltage:700V AC

Range Resolution Accuracy
40Hz‵1KHz 1KHz‵20KHz 20KHz‵50KHz
200mV 10米V ㊣(0.4%+20) ㊣(0.6%+20) ㊣(0.8%+20)
2V 100米V ㊣(0.4%+20) ㊣(0.6%+20) ㊣(0.8%+20)
20V 1mV ㊣(0.4%+20) ㊣(0.6%+20) ㊣(0.8%+20)
200V 10mV ㊣(0.4%+20) ㊣(0.6%+20) ㊣(0.8%+20)
700V 100mV ㊣(0.4%+20) ㊣(0.6%+20) -

3﹜DC Current:The continuousiy measurring time must be less than
5minutes for 10A Current.the measuring time must be less than
1 minutes for 15A current

Range Accuracy Resolution
2mA ㊣(0.1%+2) 0.1米A
200mA ㊣(0.1%+2) 0.01mA
15A ㊣(0.1%+2) 1mA

4﹜AC Current:True--RNS and AC coupling,Frequency response is
40Hz--5KHz,THe measuring time must be less than 1 minutes
for 15A current

Range Accuracy Resolution
2mA ㊣(0.5%+10) 0.1米A
200mA ㊣(0.5%+10) 0.01mA
15A ㊣(0.5%+10) 1mA

5﹜Resistance 次:The constant current source menthod is
used for measuring DC resistance.
Maximum input VAoltage:220V DC or 200V AC RMS

Range Accuracy Resolution Test Current
200次 ㊣(0.05%+2) 0.01次 1mA
2k次 ㊣(0.05%+1) 0.1次 1mA
20k次 ㊣(0.05%+1) 1次 10米A
200k次 ㊣(0.05%+1) 10次 10米A
2m次 ㊣(0.15%+1) 100次 1米A
20m次 ㊣(0.5%+) 1k次 0.1米A

6﹜DIODE﹜CONTINUITY TEST﹜REL﹜MAX﹜MAN﹜AVG