QJ57B-1 Digital Bridge

1. Test Objects: DC resistance of wires, cables, copper rods, aluminum rods, and similar conductors.
2. Product Positioning: An upgraded product designed to replace QJ44 and QJ57 models.
3. Display Screen: 5-inch LCD screen for intuitive reading.
4. Operation Mode: Manual and automatic range operation.
5. Performance: High measurement accuracy and excellent stability.
6. Temperature Measurement Function: Capable of measuring actual temperature and converting resistance values directly to those at 20°C.
7. Cable Length Calculation: When resistivity is known, it can calculate the length of the entire cable spool.
8. Interface: Equipped with an RS-232 interface for communication with computers.
9. Technical Performance Standard: Complies with GB/T 3048.4 standard for testing the DC resistance of conductors.
10. Measurement Range: 0-2kΩ.
11. Minimum Resolution: 1μΩ.
12. Accuracy: 0.05%.