BK-300 internal resistance tester

Type of test

AC internal resistance test

testing method

Four-wire measurement

AC current frequency

1KHZ±0.1KHZ

Voltage measurement

Divided into two levels

Direct current

0～5.000V

Resolution

1 mV

Precision

±0.2%rdg+5dgt

Direct current

5.00v～20.00V

Resolution

10 mV

Precision

±0.2%rdg+5dgt

Internal resistance measurement

Divided into two levels

Low range

3mΩ~300.0mΩ

Test current

10 mV

Precision

±0.3%rdg+5dgt

High range

300mΩ~3000mΩ

Test current

1 mV

Precision

±0.3%rdg+5dgt

Internal resistance calibration

Potentiometer calibration (standard resistance box needs to be purchased separately)

Test alarm

Internal resistance unqualified alarm or qualified alarm can be set

Fixture form

Aviation plug, can be connected to fixture box or test line

test environment

Temperature: 20℃±5℃, relative humidity≤85%

Power supply

AC220V, 50HZ, power consumption ≤20W