EZ Digital DM-441B
Digital Multimeter

Click image to enlarge   EZ Digital DM-441B

Features: 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

Click here to download DM-441B Series Operation Manual in PDF format

	Range	Resolution	Accuracy
DC Voltage	200mV 2V 20V 200V	10μV 100μV 1mV 10mV	±(0.1%±4dgt)
	1000V	100mV	±(0.15%±4dgt)
AC Voltage	200mV	10μV	±(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
	2V	100μV	±(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
	20V	1mV	±(0.5% ± 20digit) from 45Hz to 1kHz ±(1.5% ± 20digit) from 1kHz to 10kHz ±(1.5% ± 20digit) from 10kHz to 20kHz ±(5.0% ± 20digit) from 20kHz to 50kHz
	200V	10mV	±(0.5% ± 10digit) from 45Hz to 1kHz ±(2.0% ± 10digit) over 1kHz
	750V	100mV	±(1.0% ± 20digit) from 45Hz to 1kHz ±(3.5% ± 10digit) over 1kHz
DC Current	2mA / 20mA / 200mA / 2A	0.1µA / 1µA / 10µA / 100µA	±(0.5%±1dgt)
	10A	1mA	±(0.75%±3dgt)
AC Current	2mA 20mA 200mA	0.1μA 1μA 10μA	±(1.0% ± 10digit) from 45Hz to 10kHz ±(2.0% ± 20digit) from 10kHz to 20kHz
	2A 10A	100μA 1mA	±(1.0% ± 10digit) from 45Hz to 2kHz
Resistance	200Ω	0.01Ω	±(2.0%±5dgt)
	2kΩ 20kΩ 200kΩ	0.1Ω 1Ω 10Ω	±(2.0%±2dgt)
	2MΩ 20MΩ	100Ω 1kΩ	±(0.5%±2dgt)
Frequency	20kHz	1Hz	±(1.0%±3dgt)
	200kHz	10Hz	±(2.0%±3dgt)
TR hfe	Base current 3.5μA and 4.5Vce
Diode Test	Yes
Continuity Test	Yes
Data Hold	Yes
Accuracy is given as ±(% of reading number of least significant digits) at 18°C to 28°C with relative humidity up to 80% for a period of one year after calibration.

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