XZTZ3072 DC Winding Resistance Tester 20A
I.Over review
The XZTZ3072 DC Resistance Tester, also known as the Transformer DC Resistance Tester, DC Resistance Rapid Tester, and Grounding Continuity Tester, adopts microprocessor technology and four wire method for testing, ensuring safety, precision, and reliability. Mainly used for measuring the resistance of transformer windings, winding resistance of transformers, conducting tests on grounding down conductors, wire resistance of cables, contact resistance of switches, connectors, relays, coils, motors, and metal components such as equipment casings, lightning strips, ground beams, structures, cabinets, steel bars, water pipes, windows, guardrails, radiators, assembly lines, etc. Widely used in telecommunications, power, meteorology, computer rooms, oil fields, power distribution lines, tower transmission lines, gas stations, factory grounding networks, lightning rods, etc.
The XZTZ3072 DC Resistance Tester consists of a host, monitoring software, testing cables, communication cables, etc. The handheld and portable design of the host is convenient for on-site application, with charging function without the need for on-site power searching, full-color large screen LCD display, clear at a glance, easy to use touch screen operation, and port overload prevention function. Large capacity storage of 800 sets of data, resistance measurement range: 10.0u Ω -10000.0K Ω, measurement accuracy: ± 0.2% FS ± 10dgt. The upper computer software has functions such as reading, querying, saving, and reporting historical data.
II.Range and technical specifications
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Function |
Mainly used for measuring transformer DC resistance, transformer winding resistance, ground grid connection conductivity, cable wire resistance, switch, connector, relay contact resistance, coil, motor, transformer winding resistance, metal riveting resistance, connection resistance testing between metal components, low value resistance testing, contact resistance testing, etc. |
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Sample type |
Optional Cu, Al, Fe, Au, Ag materials |
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Resistance range |
10.0uΩ-1000.0KΩ |
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Resolution |
0.1 uΩ |
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Accuracy |
±0.2%FS |
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test method |
Four line method testing |
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Test current |
20A,10A,2A,0.2A,20mA,2mA,1mA |
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Maximum short-circuit current |
20A |
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Temperature detection |
Temperature probe |
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Temperature conversion |
Yes, temperature conversion can be used to convert measurement results at 75 ℃ |
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Alarm setting function |
Yes |
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overload protection |
Yes |
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Automatic discharge |
Yes, LCD display reminder |
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Power supply |
Built in: 14.6V 10000mAh rechargeable lithium iron phosphate battery |
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Charging function |
14.6V/3A |
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Backlight |
Yes, sliding adjustable, suitable for use in low light fields |
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display mode |
5-inch touch (854 dots) × 480dots full-color LCD display |
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Touch screen operation |
yes |
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LCD size |
Aspect：108 mm×65mm |
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Instrument size |
Length, width, and height: 277.2mm × 227.5mm × 153mm |
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Test line length |
5 meters, 1 red and 1 black stripe each |
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Cloud services |
Android APP, upper computer |
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Printers |
The instrument panel is embedded with a printer, press the print button to print the test results |
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USB interface |
Equipped with USB interface |
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Communication line |
1 USB communication cable |
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data storage |
800 sets |
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data transmission |
USB, Bluetooth |
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Data retrieval |
With data retrieval function |
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Overflow display |
Overrange overflow function: "OL" symbol display |
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Battery voltage |
Real time display of battery level, indicating the need for timely charging when the battery voltage is low |
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Automatic shutdown |
The instrument will shut down after about 15 minutes of inactivity |
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Power consumption |
Standby: approximately 230mA (20% brightness) |
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Measurement: 27W Max |
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Quality |
Instrument: 2300g (including battery) |
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Test line: 850g |
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Working temperature and humidity |
-10℃～50℃;70%rh below |
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Storage temperature and humidity |
-20℃～60℃;70%rh below |
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insulation resistance |
Above 10M Ω (500V between circuit and housing) |
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Voltage resistance |
AC 3700V/rms(Between circuit and housing) |
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Electromagnetic characteristics |
IEC61010-4-3,Wireless frequency electromagnetic field≤1V/m |
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Suitable for safety regulations |
IEC61010-1, CAT III 600V, Pollution Level 2, JJG724-1991 Verification Regulations for DC Digital Ohms, JJG166-1993 Verification Regulations for DC Resistors, DL/T967-2005 Verification Regulations for Loop Resistance Testers and DC Resistance Rapid Testers |