Voltmeter S5021 (S-5021, S 5021, c-5021, c 5021, c5021)
Voltmeter S5021 intended to measure alternating voltage in a wide range of frequencies and DC voltage.
Voltmeter S5021 are designed for use in moderate climate in enclosed dry heated rooms at the ambient temperature of 10 to 35 ° C and a relative humidity of 80% (at 25 ° C);
Voltmeter S5021 T4.1 - tropical version - in dry and humid tropical climate in closed rooms with air conditioned or partially air-conditioned at the ambient temperature from 1 to 40 ° C and a relative humidity of 80% at 25 ° C and at lower temperatures no condensation (at higher temperatures, relative humidity below) in accordance with GOST 15150-69.
Accuracy Class 0.5 voltmeter S5021 according to GOST 8711-78. Additional error S5021 voltmeter, frequency deviation caused by the upper limit of the normal range of frequencies up to any frequency in the working frequency range does not exceed ± 0,5% of the final value of the measuring range.
Time for reading voltmeter S5021 does not exceed 10 s. Voltmeter S5021 can be used for measurements at frequencies above the work area. Frequency limits and measurement errors are shown in Table 1. Input impedance voltmeter DC S5021 more than 10 10 ohms.
Dining lighting circuit voltmeter is provided from AC power supply (220 +22), frequency 50-60Hz through a step-down transformer, can be combined with a voltmeter S5021, either on AC or DC voltage of 4 V. Dimensions: voltmeter 205h290h135 mm transformer housing - 65h85h45 mm. Weight voltmeter S5021 is not more than 4 kg transformer not more than 0.5 kg.