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USB Tester
USB tester is used to inspect USB charger and portable power source of electronics products. UT658 can output voltage, current, and power. Users can use this device to monitor charging status of any USB powered device.
Features
1. 10 sets of data storage
2. High/Low output voltage warning
3. LCD backlight
4. Lightweight, portable
Accessories
Blister, insert card
| Specifications | Range | Remark | |||
| Input Voltage Range (V) | 3V-9V | If higher than 9V, display OL | |||
| Voltage Resolution | 0.01V | ||||
| Voltage Monitoring Accuracy | ±1% | ||||
| Current Monitoring Range (A) | 0A~3A | If higher than 3A, display OL | |||
| Current Monitoring Accuracy | ±(1%±2) | Lower than 500mA:±3, (a% Reading+b Number) | |||
| Current Resolution | 0.01A | If lower than 50mA, display 0.00 | |||
| Capacity | 0~9999mAH | If higher than 9999, display OL | |||
| Capacity Data Storage | 10 sets | ||||
| Display | LCD | Backlight | |||
| Warning | √ | Higher than 5.3V lower than 4.7V | |||
| Buttons | √ | ||||
| Contamination Level | 2 | ||||
| Working Temperature | 0℃∽40℃ | ||||
| Storage Temperature | -10℃∽50℃ | ||||
| Relative Humidity | <75% |