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Measuring system for testing automotive relays
An automotive relay tester is a dedicated device based on PC measuring technology. The tested relay is powered by a controlled 20V DC / 200mA power supply with defined ascending and descending jumps. The device evaluates the voltage and current of the relay switch on and off. The standard universal program EfLab from our company was supplied to control the whole test.
Properties:
- static voltage and current measurement
- control of the measured object
Measured units:
| Unit | No. of channels | Resolution | Accuracy | Sampling |
| Relay coil supply voltage | 1 | 5 mV | 0,1% | 10Hz |
| Current through the relay coil | 1 | 0.025 mA | 0,1% | 10 Hz |
Controlled units:
| Unit | No. of channels | Step | Accuracy | Range |
| Relay coil supply voltage | 1 | 10 mV | 0,1% | 0 to 20V |
More information request here.