Electrical measuring instruments >> voltmeters
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Voltmeter S502 (S-502, S 502, c-502, c 502, c502) Voltmeter S502 is designed to measure AC voltage in a wide range of frequencies and DC voltage. Accuracy Class 0.5 voltmeter S502.
The final value of the measuring range (depending on version): 30V, 70V, 150V, 300V, 450V, 600V, 1000V (1kV) 1500V (1.5kV) 3000V (3kV).
Voltmeters S502 intended to measure alternating voltage in a wide range of frequencies and DC voltage.
Voltmeters S502 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);
Voltmeters S502 T4.1 - tropical version - in dry and humid tropical climate in enclosed areas of 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
Technical data
Accuracy Class 0.5 voltmeter S502 to GOST 8711-78. Modifications voltmeters are shown in Table 1. Additional error S502 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 S502 with a finite value of the measuring range 50 V is less than 10 s, voltmeters other modifications - 6. Voltmeter S502 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 S502 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 S502, either on AC or DC voltage of 4 V. Dimensions: voltmeter 205h290h135 mm transformer housing - 65h85h45 mm. Weight S502 voltmeter not more than 4 kg transformer not more than 0.5 kg.
Table 1.
Photos С502
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