数字式万用表DM-441B/机电仪器仪表专业销售/价格优惠

数字式万用表DM-441B

产品介绍

 
4 and 1/2 digit display, 5 digit green LED, 19999 count
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
产品功能描述  
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 200Ω / 2kΩ / 20kΩ / 200kΩ / 2MΩ / 20MΩ
Resolution 0.01Ω / 0.1 Ω / 1 Ω / 10Ω / 100Ω / 1kΩ
Accuracy(200Ω range) ±(2.0% + 5digit)
Accuracy(2kΩ~200kΩ range) ±(2.0% + 2digit)
Accuracy(2MΩ~ ±(0.5% + 2digit)
FREQUENCY:  
Range 20kHz / 200kHz
Resolution 1Hz / 10Hz
Accuracy(20kHz range ±(1.0% + 3digit)
Accuracy(200kHz rang ±(2.0% + 3digit)
产品持有证书  
  CE
其它功能  
  OTHERS :
- Diode Test
- Continuity check
- Data hold
- TR hfe : Base current 3.5µA and 4.5Vce

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