| Multimeter Type | Handheld |
| Display Type | Digital |
| Model Number p | BK391A |
| Calibrated | UKAS |
| Functions Measured | AC Current, AC Voltage, Auto Resistance, Capacitance, DC Voltage, Frequency, Resistance |
| Absolute Maximum DC Current Measurement | 20A dc |
| Absolute Maximum DC Voltage Measurement | 1000V dc |
| Absolute Maximum AC Current Measurement | 20A ac |
| Absolute Maximum Resistance Measurement | 20MΩ |
| Absolute Maximum AC Voltage Measurement | 750V ac |
| Maximum Frequency | 2kHz |
| AC Current Measurement Resolution | 10nA ac |
| DC Current Measurement Resolution | 10nA dc |
| DC Voltage Measurement Resolution | 10µV dc |
| Resistance Measurement Resolution | 10mΩ |
| AC Voltage Measurement Resolution | 10µV ac |
| Safety Category Level | CAT III |
| Weight | 400g |
| Height | 198mm |
| Maximum Operating Temperature | +50°C |
| Dimensions | 90 x 40 x 198mm |
| Best Resistance Measurement Accuracy | ±1% + 10 Digits |
| Width | 40mm |
| Minimum Operating Temperature | 0°C |
| Best AC Current Accuracy | ±2.5% + 20 Digits |
| Best DC Current Accuracy | ±2% + 10 Digits |
| Battery Type | 9V |
| Safety Category Voltage | 1000V |
| Best DC Voltage Accuracy | ±0.05% + 3 Digits |
| Best AC Voltage Accuracy | ±2% + 10 Digits |
| Length | 90mm |
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