VKZZ10A DC Resistance Tester

VKZZ10A Portable DC Resistance Tester, also known as transformer DC resistance tester, DC resistance rapid tester, grounding conductivity tester, adopts microprocessor technology, four-wire test, safe, precise and- 4 - reliable.Is mainly used for measurement of transformer winding resistance, transformer winding resistance, ground down lead conduction testing, the wire resistance of the cable, switch, socket, relay contact resistance, winding, motor, shell and equipment, lightning protection zone, ground beam, structure, rack, steel, pipe, Windows, fence, radiator, pipeline connection between objects such as metal components resistance test.It is widely used in telecommunication, electric power, meteorology, machine room, oil field, electric power distribution line, tower transmission line, gas station, factory grounding grid, lightning rod and so on.

Function	mainly used for measurement of transformer dc resistance, transformer winding resistance, network connectivity, cable conductor resistance, contact resistance of switches, connectors, relays, winding, motor, transformer winding resistance and metal riveting resistance, metal component coupling between resistance test, low resistance testing, contact resistance testing, etc.
Resistance range	10.0uΩ-50.00KΩ
Resolution ratio	0.1 uΩ
Precision	±0.2%FS±10dgt
Detection method	The four-wire test
Measuring current	10A、5A、1A、0.1A、10mA、1mA
Maximum short circuit current	10A
overload protection	Yes
Self discharge	Yes
Power	DC12.6v 2500mAh large-capacity lithium battery
Charging function	Yes
Back light	Yes, suitable for dark places
Display mode	LCD Full-color display
Overflow shows	The "OL" symbol is displayed when the overrange overflow occurs
Touch screen operation	Yes
The LCD size	Length and width: 108mm×65mm
Size of instrument	Length, width and height: 240mm×188mm×85mm
The test line length	5 meters, 1 red, 1 black
USB interface	With USB interface
Line of communication	1 USB communication cable
Data storage	500 groups
View Data	Data access function
Cell voltage	The battery power is displayed in real time, indicating that the battery should be charged in time when the battery voltage is low
Auto power-off	Turn off the meter after no operation for about 15 minutes
Power dissipation	Standby: approx. 116mA (20% brightness)
Power dissipation	Measurement: 27W Max
Weight	Instrument: 1100g(including batteries)
Weight	Test line: 850g
Operating temperature and humidity	- 10℃~40℃,Below 70%rh
Storage temperature and humidity	-20℃~60℃,Below 70%rh
Insulation resistance	More than 10 m Ω (circuit between the shell and 500 V)
Withstand voltage	AC 3700V/ RMS (between circuit and housing)
Electromagnetic property	IEC61010-4-3, wireless frequency electromagnetic field ≤1V/m
Suitable for safety	IEC61010-1、CAT Ⅲ 600V、Pollution level 2、JJG724-1991 <<VERIFICATION Regulation of DC Digital Ohmmeter>>, JJG166-1993 <<Verification Regulation of DC Resistor>>, <<VERIFICATION Regulation of DL/T967-2005 Circuit Resistance Tester and DC Resistance Rapid Tester>>

Instrument	1 set
Test Wire	2 pieces (1 red, 1 black)
Disk	1 piece
USB cable	1 piece
Charger	1 set
Specification and warranty certificate	1 set
Instrument box	1 set