I. Brief Introction

XZTZ3072 Dc resistance tester also known as transformer DC resistance tester, DC resistance fast tester, ground conduction tester,Using microprocessor technology, four-wire method test, safe, precise and reliable. It is mainly used to measure the resistance of transformer winding, transformer winding resistance, ground lead down conduction test, cable wire resistance, switch, connector, relay contact resistance, coil, motor, and connection resistance test between metal components of equipment shell, lightning protection belt, ground beam, structure, cabinet, steel bar, water pipe, window, guardrail, radiator, assembly line, etc。Widely used in telecommunications, electric power, meteorology, computer rooms, oil fields, power distribution lines, tower transmission lines, gas stations, factory grounding network, lightning rod and so on.

XZTZ3072 Dc resistance tester consists of host, monitoring software, test line, communication line and so on. The host handheld portable design is convenient for field application, with charging function without on-site electricity, full-color large-screen LCD display, at a glance, easy to use touch screen operation, port anti-overload function.Large capacity storage 800 groups of data, resistance measurement range: 10.0uΩ-1000.0KΩ, measurement accuracy: ±0.2%FS±10dgt. The upper computer software has the functions of reading, consulting, saving and reporting historical data.

II. Range And Technical Specifications

function	It is mainly used for measuring transformer DC resistance, transformer winding resistance, ground network connection connectivity, cable wire resistance, switch, connector, relay contact resistance, coil, motor, transformer winding resistance and metal riveting resistance, connection resistance test between metal components, low value resistance test, contact resistance test, etc.
Sample type	Available Cu, Al, Fe, Au, Ag material
Resistance range	10.0uΩ-1000.0KΩ
resolution ratio	0.1 uΩ
precision	±0.2%FS
Detection method	Four-wire test
Test current	20A、10A、2A、0.2A、20mA、2mA、1mA
Maximum short-circuit current	20A
Temperature detection	Temperature probe
Temperature conversion	Yes, temperature conversion, can be converted into 75℃ measurement results
Alarm setting function	Yes
Overload protection	Yes
Automatic discharge	Yes, LCD display reminder
Power source	Built-in: 14.6V 10000mAh rechargeable lithium iron phosphate battery
Charging function	It has 14.6V/3A
backlight	Yes, sliding adjustable, suitable for use in dim places
Display mode	5 "touch (854dots×480dots) full color LCD display
Touch screen operation	yes
LCD size	Length and width：108 mm×65mm
Meter size	Length, width and height：277.2mm×227.5mm×153mm
Test line length	5 meters, one red, one black
Cloud service	Android APP, host computer
printer	A printer is embedded in the instrument panel. Press the "Print" button to print test results
USB interface	With USB interface
Communication line	One USB communication cable
Data storage	800 groups
Data transmission	USB, Bluetooth
Data lookup	There is a data lookup function
Overflow display	Overrange overflow function: "OL" symbol display
Battery voltage	The battery power is displayed in real time, indicating that the battery needs to be charged in time when the battery power is low
Automatic power off	The instrument shuts down after about 15 minutes of no operation
Power consumption	Standby: Approx. 230mA (20% brightness)
Power consumption	Measurement: 27W Max
Quality and quantity	Meter: 2300g(including battery)
Quality and quantity	Test line: 850g
Working temperature and humidity	-10℃～50℃；below 70%rh
Storage temperature and humidity	-20℃～60℃；below 70%rh
Insulation resistance	10MΩ or more (500V between circuit and shell)
withstand resistance	AC 3700 v/RMS (between circuit and shell)
Electromagnetic characteristic	IEC61010-4-3, wireless frequency electromagnetic field ≤1V/m
Suitable for safety regulations	IEC61010-1, CAT Ⅲ 600V, pollution level 2, JJG724-1991 "DC digital Ohmmeter verification Regulations", JJG166-1993 "DC resistor Verification Regulations", "DL/T967-2005 circuit resistance tester and DC resistance Rapid tester Verification Regulations"

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I. Brief Introction

II. Range And Technical Specifications

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