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Voltage Indicator M259 (m 259, m-259)
Voltage Indicator M259 is designed to measure DC voltage and simultaneous signaling devices in portable mine.
Technical characteristics of the instrument voltage indicators M259:
Full deflection voltage - 15V;
Current consumption voltage detector device M259 - 2mA;
Current in the contact device - 1mA-100mA;
Voltage at open contacts - 20V-60V;
The main error of the instrument voltage indicator M259 - ± 4%;
- The right contact - 15V;
- Left contact - 50mV, 150mV;
The length scale of the instrument voltage indicator M259 - 20 mm;
Basic error at levels of 2.1, 2.5 - ± 4% of full scale range;
Burst Tolerance contact voltage detector device M259 - ± 3,5%;
Overpressure indicator forward and reverse polarity, of 200% of the nominal;
Positional errors in the device at an angle of 45 º from the working position in any direction does not change the reading more permissible basic error;
System of the device LED M259 - with the magneto vnutriramochnym magnet, moving part on cores and thrust bearings, self-indicating and contact device is electrically isolated from the scope of the indicator;
Indicator housing dust-and splashproof
Dimensions of the device voltage indicator M259 - 43h43h57mm;
Weight - 0.1 kg;
MTBF - not less than 19,000 hours;
The manufacturer guarantees that the quality of the instrument voltage indicator M259 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

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