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 |