| Function | M1000B |
| 3 3/4 digit | √ |
| MAX Display | 3999 |
| Auto Scan | √ |
| Auto Range | √ |
| Over Load Protection | √ |
| Max Expand of the pincers | 51mm |
| DCV | 400mV/4V/40V/400V/1000V:±(1%+5) |
| ACV(TRUE RMS) | 4V/40V/400V/700V:±(1.5%+5) |
| DCA | 400A/1000A±(2%+10) |
| ACA(TRUE RMS) | 40A/400A/1000A±(2%+10) |
| Resistance | 400/4K/40K/400K/4MΩ ±(1.0%+5); 40MΩ±(2.0%+5) |
| Capacitance | 40nF/400nF/4uF/40uF:±(3%+5);100uF:±(4%+5) |
| VHz | <100kHz |
| Temperature | -20℃~400℃±1.0%±5,400~750℃±1.9%±15, -10℉~500℉±1.2%±6,500~1382℉±1.9%±25 |
| Continuity Buzzer | √ |
| Diode | √ |
| Power Supply | AA.1.5Vx2 |
| Size | 250x87x38mm |
| Weight | About 400g(include battery) |
Source: https://www.meterstesters.com/products/digital-clamp-meters/true-rms-smart-clamp-multimeter-m1000b.html