Devices M42303 are designed to measure current and voltage in DC electric circuits. Devices with upper values of measuring ranges 0,5 mA, 20 V and all multipredelnye are made only accuracy class 4,0. DC instruments can be manufactured: with zero mark at the edge or inside the measuring range; with other measuring ranges and with scales calibrated in units of any physical quantities, with special marks, inscriptions, etc. according to the customer's data.
The normal position of the instruments is vertical or horizontal. It is possible to produce instruments of normal position at an angle to the horizon. The design of enclosures provides protection degree IP50 or IP54 for the front panel, IP00 for live parts. Verification of the devices is performed in accordance with the requirements of GOST 8.497-83.
The dials and scales of the devices are made in accordance with GOST 5365-83. M42303 are included in the State Register of measuring instruments of the Russian Federation No. 68770-17. Interverification interval - 2 years.
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