| Technical data | MS-401 | MS-402 | MS-403 | 
| Function | AC/DC Current meter | AC/DCVoltage meter | Galvano meter | 
| Range | AC 10mA~10A(7 Steps) DC 100uA~10A(11 Steps)  | 
AC 3V~1000V(6 Steps) DC 100mV~1000V(8 Steps) | DC 30uA~3mA(2 Steps) DC 100mV(1 Steps for shunts) | 
| Accuracy | 1.5%(DC), 2%(AC) | 1.5%(DC), 2%(AC) | 1.5% | 
| Operating frequency | 45~400Hz | 20~400Hz | |
| Fuse | 1A and 10A | Electronic protection | 200mA | 
| Accessories | Test lesds X 2 Bag X 1  | 
Test lesds X 2 Bag X 1  | 
Test lesds X 2 Bag X 1  | 
| Technical data | MS-404 | MS-405 | MS-406 | 
| Function | Single phase wattmeter | Single and 3-phase wattmeter | Multi- meter | 
| Range | AC/DC 60-120-240-480V AC/DC 0.5A/1A  | 
AC/DC 60-120-180- 240-360-480V (1Ph.) AC/DC60√3-120√3-180√3-240√3V(3 Ph.) AC/DC 5A  | 
DCV 2.5V~1000V(7 Steps) ACV 10V~1000V(6 Steps) DCA 50uA~10A(9 Steps) ACA2.5mA~10A(7Steps) Resistance 1Ω~1kΩ(4 Steps)  | 
| Accuracy | 2.5%(DC), 1%(AC) | 2.5%(DC),1%(AC 1 Ph.), 2%(AC 3 Ph.)  | 
1.5%(DC), 2.5%(AC) | 
| Operating frequency | 0~500Hz | 15~500Hz | 20~400Hz | 
| Fuse | 1A | 5A | 10A and 1A | 
| Accessories | Bag X 1 | Bag X 1 | Test lesds X 2 Bag X 1  | 






