SM-80 DC Ammeter-Voltmeter is suiable in middle schools for students to mecasure the currend and the vltage in the eircuil.
Structure:Mainly consistsof a shell & a meter.There are 9 terminals on the shell. Four terminals in the left is for Ampere. four terminals in the right i for voltage. One terminal at the down side is the negative pole for both Ampeter & Voltage.

Technica property:

1.Indicating panel is in the water level.

2.The ambient temperature at work is from 0c-40c and the relatuve humidity<=85%.

3.Scope of measurement:Ampere:0-100uA-100mA-1A-5A,Voltage:0-100mV-1V-10V-50V;

4.Accuracy:2.5 grade;

5.Exterlor diension:162x114x60mmm;

6.Damping time:not longer than 4s;

7.Grade of resistance to outside magnetic field:3

8.The sensitivity of the current of the meter:35uA.

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