It is mainly used to measure transformer DC resistance, transformer winding resistance, ground grid connection continuity, cable wire resistance, switch, connector, relay contact resistance, coil, motor, transformer winding resistance and metal riveting resistance, metal components Interconnection resistance test, low value resistance test, contact resistance test, etc.
Sample type | Optional Cu copper, Al aluminum, Fe iron, Au gold, Ag silver material |
Resistance Range | 10.0uΩ-1000.0KΩ |
Resolution | 0.1 uΩ |
overflow display | "OL" symbol display when over-range overflow |
Detection method | Four-wire test |
test current | 20A、10A、5A、1A、0.1A、10mA、1mA |
short circuit current | 20A |
temperature check | Yes, external temperature probe, internal temperature sensor, dual sensor design |
Temperature conversion | Yes, temperature conversion, can convert 75 ℃ measurement results |
overload protection | Have |
automatic discharge | Have |
Power | DC14.6V 12000mAhLarge capacity lithium battery |
charging function | Have |
display mode | 5-inch touch screen (854dots×480dots) full-color LCD display |
interactive mode | Touch screen/button |
LCD size | length and width：108 mm×65mm |
Meter size | length width height：277.2mm×227.5mm×153mm |
Mobile APP | Have, Bluetooth connection |
Computer PC | Have, USB cable connection |
data storage | 800 Group |
data review | Data lookup function |
printer | There is a printer embedded in the instrument panel, press the print button to print the test results |
battery voltage | The battery power is displayed in real time, prompting that the battery needs to be charged in time when the voltage is low |
Automatic shut-down | Optional off, 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes |
Power consumption | Standby: about 4W (30% brightness) |
Measurement: 100W Max | |
quality | Meter: 3.1kg (including battery) |
Test line: 850g | |
Working temperature and humidity | -10℃～40℃；70%rh following |
storage temperature and humidity | -20℃～60℃；70%rh following |
Insulation resistance | More than 10MΩ (500V between the circuit and the shell) |
Pressure resistance | AC 3700V/rms (between the circuit and the case) |
Electromagnetic properties | IEC61010-4-3, radio frequency electromagnetic field≤1V/m |
Suitable for safety regulations | IEC61010-1, CAT Ⅲ 600V, pollution degree 2, JJG724-1991 "Verification Regulations for DC Digital Ohmmeter", JJG166-1993 "Verification Regulations for DC Resistors", "DL/T967-2005 Loop Resistance Tester and DC Resistance Fast Tester Verification Regulations" |
Tester | 1pcs |
Test line | 1 set (red 5 m 1, black 5 m 1, ground wire 3 m 1) |
Temperature probe | 1pcs |
CD | 1pcs |
Standard resistance | 1pcs |
Data line | 1pcs |
Charger | 1pcs |
Instructions, Warranty | 1set |
Tester tool box | 1pcs |
VK3072 DC Resistance Tester
