| Function | MS2138R |
| DCV | 4/40/400V±0.8% 1000V±1% |
| ACV | 4/40/400V±1.0% 700V±1.2% |
| DCA | 400/1000A±3% |
| ACA | <600A±2.5%;> 600A±3% |
| Resistance | 400/4K/40K/400K/4MΩ±1.0%, 40MΩ±2.0% |
| Frequecy |
40Hz~100KHz±0.1%(from test terminal) 40Hz~400KHz±0.1%(from Current clamp) |
| Counts | 4000 |
| Analog Display | √ |
| Auto/Manual Range | √ |
| AC Voltage/Current response | TRMS |
| Zero Function for DCA | √ |
| Data Hold Function | √ |
| Max Min Function | √ |
| Back light | √ |
| Clamp light | √ |
| Auto power off | √ |
| Continuity test | √ |
| Diode test | √ |
| Conductor Diameter | 42mm |
| Double mode | √ |
| Dimension | 225×86×33mm |
| Power | 1.5V×3AAA Battery |
| Weight | 320g |

Source: https://www.meterstesters.com/products/digital-clamp-meters/ac-digital-clamp-meter-ms2138r.html