Automotive Wire Connectors Voltage Drop Tester
Compliance Standards
- SAE J1128 (Low Voltage Battery Cable)
- ISO 6722 (Road Vehicle Cable Spec)
- USCAR-2 (Connector Performance)
- LV 214-2 (Automotive Connectors)
- GMW3191 (GM Electrical Systems)
Key Features
- Programmable current profiling
- 4-wire Kelvin measurement
- Temperature-compensated results
- Contact resistance mapping
- Automotive protocol library
Test Capabilities
| Test Mode | Standard | Parameters |
|---|---|---|
| Static Voltage Drop | SAE J1128 | ≤50mV @ 100A |
| Dynamic Load Test | USCAR-2 | 10-200A sweep |
| Thermal Cycling | GMW3191 | -40°C ↔ +125°C |
Measurement System
- 24-bit precision ADC
- Low-noise current source
- Chassis ground compensation
- Real-time thermal derating
Standard Configuration
- Heavy-duty test leads (500A)
- Kelvin clip probes (4-wire)
- Basic environmental chamber
- DropTest Pro analysis software
Automotive Options
- EV battery pack adapter kit
- Vibration test module (5-200Hz)
- CAN FD/LIN bus integration
| Salt spray corrosion chamber |
Safety Systems
- Overcurrent auto-disconnect
- Reverse polarity protection
- Isolated measurement inputs
- Thermal overload shutdown
Test Protocol Example (USCAR-2)
- Precondition connector @25°C
- Apply 100A test current for 60s
- Measure voltage drop across contacts
- Calculate contact resistance ≤0.5mΩ
- Repeat at -40°C and +125°C
Maintenance Requirements
- Monthly current source calibration
- Annual NIST-traceable certification
- 500-test contact probe replacement
Thermal chamber PM every 2000h
Main Parameters:
1. Input voltage: AC220V + 10%, 50Hz 2. Working current (DC): 0 - 100A (optional values including 5A, 10A, 20A, 50A, 100A, 200A, 500A, 1000A) and can be adjusted arbitrarily 3. Current output mode: Constant current 4. Voltage drop range: 0 - 20V (with three voltmeters of different accuracies for 0 - 200mV / 0 - 2V / 0 - 20V). The display ranges are 0.01 - 199.99mV / 0.1 - 1999.9mV / 1 - 19999mV respectively 5. Power: 3200W, maximum output voltage: 32V
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