详细介绍 |
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4 1/2 digit display, 5 digit green LED, 19999 Vdc basic accuracy : 0.1% Full overload protection Frequency measurement up to 200kHz Continuity check with beeper Data hold, Diode check, TR hfe measurement True rms in AC range 600V overload protection in resistance range
数字万用表DM-441B技术参数 |
功能描述 |
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Range |
200mV / 2V / 20V / 200V / 1000V |
solution |
10µV / 100µV / 1mV / 10mV / 100mV |
Accuracy |
±(0.1% + 4digit) from 200 mV to 200V ranges / ±(0.15% + 4digit) in 1000V range |
Accuracy(200 mV range): |
±(0.5% + 20digit) from 45Hz to 1kHz /±(0.8% + 10digit) from 1kHz to 10kHz/±(1.0% + 20digit) from 10kHz to 20kHz/±(3.0% + 30digit) from 20kHz to 50kHz |
Accuracy(2V range): |
±(0.5% + 20digit) from 45Hz to 1kHz /±(0.8% + 10digit) from 1kHz to 10kHz/ ±(1.0% + 20digit) from 10kHz to 20kHz/±(3.0% + 30digit) from 20kHz to 50kHz |
Accuracy(20V range): |
±(0.5% + 20digit) from 45Hz to 1kHz/±(1.5% + 20digit) from 1kHz to 10kHz/±(3.0% + 30digit) from 20kHz to 50kHz/±(5.0% + 20digit) from 20kHz to 50kHz |
Accuracy(200V range): |
±(0.5% + 10digit) from 45Hz to 1kHz/±(2.0% + 10digit) over 1kHz |
Accuracy(750V): |
±(1.0% + 20digit) from 45Hz to 1kHz /±(3.5% + 10digit) over 1kHz |
DC CURRENT: |
|
Range |
2mA / 20mA / 200mA / 2A / 10A |
Resolution |
0.1µA / 1µA / 10µA / 100µA / 1mA |
Accuracy (2mA~2A range) : |
±(0.5% + 1digit) from 2 mA to 2A ranges /±(0.75% + 3digit) in 10A range |
AC CURRENT: |
|
Range |
2mA / 20mA / 200mA / 2A / 10A |
Resolution |
0.1µA / 1µA / 10µA / 100µA / 1mA |
Accuracy(2 mA ~200A ranges) |
±(1.0% + 10digit) from 45Hz to 10kHz/±(2.0% + 20digit) from 10kHz to 20kHz |
Accuracy(2 A~10A ranges) |
±(1.0% + 10digit) from 45Hz to 2kHz |
RESISTANCE: |
|
Range |
200&##8486; / 2k&##8486; / 20k&##8486; / 200k&##8486; / 2M&##8486; / 20M&##8486; |
Resolution |
0.01&##8486; / 0.1 &##8486; / 1 &##8486; / 10&##8486; / 100&##8486; / 1k&##8486; |
Accuracy(200&##8486; range) |
±(2.0% + 5digit) |
Accuracy(2k&##8486;~200k&##8486; range) |
±(2.0% + 2digit) |
Accuracy(2M&##8486;?/td>
| ±(0.5% + 2digit) |
FREQUENCY: |
|
Range |
20kHz / 200kHz |
Resolution |
1Hz / 10Hz |
Accuracy(20kHz range |
±(1.0% + 3digit) |
Accuracy(200kHz rang |
±(2.0% + 3digit) |
持有证书 |
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CE |
其它 |
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OTHERS : - Diode Test - Continuity check - Data hold - TR hfe : Base current 3.5µA 4.5Vce |