- SKU
- NB005849
- Measurement parameter
- AC resistance, DC Voltage
- Basic Precision
- Resistance: 0.5% Voltage: 0.1%
- Measurement range
- Resistance: 10uΩ~ 32uΩ Voltage: 1mV~ 30VDC
- signal source
- AC 1kHz, open circuit Voltage < 20mV, test current: < 10mA
- range
- Four-range automatic or manual
- Test speed
- 1 time/second
- Show results
- Direct reading value, Voltage and resistance are displayed simultaneously
- Maximum reading
- Resistance: 3,200 (32/3) Voltage: 3,000
- correction
- Short circuit clearing in full scale
- comparator
- No comparator
- trigger method
- internal trigger
- standard interface
- No interface
- other
- Test line damage detection, four-color vacuum fluorescent screen VFD
- power requirements
- Voltage: 198VAC~ 240VAC Frequency: 50Hz Power: Maximum 15VA
- size
- External Dimensions (mm): 264 (W) x107 (H) x350 (D)
- Weight
- 4kg
AT521
AC resistance Tester
Introduction to the AT521 AC Resistance Tester
AMPLUS AT521 AC Resistance Tester is a compact smart battery internal resistance Tester. The internal resistance of the battery and the battery Voltage can be accurately measured. The resistance measurement range is 10μΩ~32Ω and the Voltage measurement range is 1mV~30VDC, which can fully meet the inspection of the battery manufacturer and meet the test requirements of GB5095/GJB1217. AT521 is also an economical and practical AC milliohmmeter, which can meet your AC resistance test of 10μΩ~32Ω.
Performance characteristics
● Dual display: battery internal resistance and Voltage are displayed at the same time
● 1kHz AC low current test
● Four-end test
● Alarm sounds
Display diagram






App collarregion
● It is used for pipeline testing and streamlined configuration
● The low-resistance characteristics of electromechanical components are characterized under the condition of low current
● Test of various contact resistances
● Determination of deterioration and life assessment of alkaline batteries and lead-acid batteries
● UPS online detection
● Battery factory inspection
● Supercapacitor equivalent resistance (ESR) measurement
Amber Battery Tester Selection Table

Packing list:Host x1, Kelvin test line x1
[Note]Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.