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wattmeter & nbsp; D50049 & nbsp; is & nbsp; to measure power in single-phase circuits of the AC and DC
basic specifications
& nbsp;.
& nbsp; & nbsp; & nbsp; & nbsp; accuracy 0.5 according to GOST 8476-78. Rated currents and voltages wattmeter & nbsp; D50049ukazany in Table. 1. The power consumed in the sequential chain of normal frequency range does not exceed 0.35 & middot; And, in a working frequency region - 0.7 & middot; A. Normal range of frequencies from 45 to 65 Hz. Workspace frequencies above 65 to 500 Hz. Rated power factor 1. Nominal current 3mA parallel circuit
& nbsp;. & Nbsp; & nbsp; & nbsp; Maximum permissible additional error wattmeter & nbsp; D50049 induced deflection frequency of 65 Hz and any frequency in the operating frequency range is & plusmn 0.5% of the final value of the measurement range. Response time less than 4 seconds. Dimensions do not exceed 140h200h92mm. Weight not more than 1.5 kg
