Also this device can be referred to: M-231, M 231.
M231 voltammeter multirange is a portable instrument magnetoelectric system and is designed to measure DC current and voltage.
Accuracy class - 1,5.
Measurement limits current - 0,005 A; 0,05 A; 0,1 A; 1 A; 5 A; 10 A.
Measurement range voltage - 75 mV; 0,5 V; 1 V; 5 V; 10 V; 50 V; 100 V.
Maximum permissible error for all measuring ranges, expressed as a percentage of the final value of the measuring range - ±1,5%.
The input resistance - not less than 20 kOhm/V.
- in the range from 0,005 A to 1 A - not more than 0,5 V;
- in the ranges 5 A; 10 A - not more than 1 V.
Current full-scale deflection on all ranges - not more than 50 mcA.
Dielectric strength - 2 kV.
Scale voltammetry - bilateral, symmetrical.
Response time - no more than 3 seconds.
Measuring mechanism - ammeter magnetoelectric system.
Housing material - metal.
Panel material - plastic.
Reading device - drag pointer.
Dimensions - 181×179×95 mm.
Weight of voltammeters M231 - no more than 1,4 kg.
Operating conditions of devices voltammeters M231:
The ambient air temperature - from -30° C to +40° C.
Relative humidity at +30° C - 90%.
The degree of resistance to mechanical stress - plain with increased strength.
Degree of protection against external magnetic influences - category I.