.Sturdy, simple and extremely safe to use .High accuracy and reliability .Combination of electonic and mechanical advantage

Feature.Sturdy, simple and extremely safe to use.High accuracy and reliability.Combination of electonic and mechanical advantage.Single switch for range selection.Safety sockets and dual insulation.Moulded, water-resistant casing

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 100mA(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
Technical data	MS-404	MS-405	MS-406
Function	Single phase wattmeter	Single and 3-phase wattmeter	Multi- meter
Range	AC/DC 60-120-240-480VAC/DC 1A	AC/DC 60-120-180- 240-360-480V(1Ph.)AC/DC60√3-120√3-180√3-240√3V(3 Ph.)	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

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