数字万用表DM-441B介绍
详细介绍 | |
4 1/2 digit display, 5 digit green LED, 19999 数字万用表DM-441B技术参数 | |
功能描述 | |
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 | |
CE | |
其它 | |
OTHERS : - Diode Test - Continuity check - Data hold - TR hfe : Base current 3.5µA 4.5Vce |
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