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ES3050 DC Resistance Tester 1A

DC resistance range:0.0001Ω～30.00KΩ Accuracy±1%rdg±5dgt
Resistance resolution:0.0001Ω
Test method:Four-wire test
DC voltage range: 0.0V～1000V DC Accuracy±1.5%rdg±5dgt
AC voltage range:0.0V～750V AC Accuracy±1.5%rdg±3dgt

Function	Equipotential bonding resistance test between metal components, low-value resistance test, resistance test of connecting conductors between ground and ground electrodes, contact resistance test, etc.
DC resistance range	0.0001Ω～30.00KΩ Accuracy±1%rdg±5dgt
Resistance resolution	0.0001Ω
Test method	Four-wire test
Test current	≥1A
Open circuit voltage	≤7V
Capacity factor	Measuring capacity factor≤15W
DC voltage range	0.0V～1000V DC Accuracy±1.5%rdg±5dgt
DC voltage resolution	0.1V
AC voltage range	0.0V～750V AC Accuracy±1.5%rdg±3dgt
AC voltage resolution	0.1V
Power	DC 6V 4.5Ah Large-capacity battery Continuous standby for more than 100 hours
Backlight	Controllable gray screen backlight, suitable for use in dim places
Display mode	4-bit large LCD display, gray screen backlight
Measurement instructions	LED flashing indicator during measurement, LCD countdown display
LCD尺寸	108mm×65mm
Instrument size	L/W/H：277.2mm×227.5mm×153mm
Test line length	Red 5m，black 5m each 2PCS
Measure time	Resistance test：about 3second/time；Voltage test：about 2times/sec
USB interface	With USB interface, software monitoring, storage data can be uploaded to the computer, save and print
Communication Line	USB Communication Line 1PC
Data storage	500 groups，”MEM” stores indicates, the “FULL” symbol indicates that the storage is full
Data review	Data review function: “MR” symbol display
Overflow display	Over-range overflow function: “OL” symbol display
Alarm function	Alarm when the measured value exceeds the alarm setting value
Battery voltage	Real-time display of battery power, reminding timely charging when battery voltage is low
Automatic shut-down	“APO” indicates automatic shutdown after 15 minutes
Power consumption	Standby: 30mA Max(backlight off)
	Turn on backlight: 43mA Max
	Measure：2A Max(backlight off)
Weight	Instrument： 2397g(including battery)
	Test line：850g(including simple test line)
	Instrument box：1200g
Working temperature and humidity	-10℃～40℃；below 80%rh
Storage temperature and humidity	-20℃～60℃；below 70%rh
Overload protection	C1-C2 P1-P2 AC 280V/3 seconds between ports
Insulation resistance	Above 10MΩ(500V between circuit and housing)
Pressure resistance	AC 3700V/rms( between circuit and housing)
Electromagnetic properties	IEC61010-4-3，Wireless frequency electromagnetic field≤1V/m
Suitable for Safety Regulations	IEC61010-1, CAT III 600V, pollution degree 2, JJG724-1991 “DC digital ohmmeter verification procedure”, JJG166-1993 “DC resistance verification procedure”, “DL/T967-2005 loop resistance tester and DC resistance fast Tester verification procedure