Electrical measuring instruments >> frequency meters laboratory
Frequency counter D577 (D 577, D-577)
Frequency counter D577 - a portable device electrodynamic system, designed for accurate measurement of frequency in AC circuits.
Accuracy class - 0.2.
Measuring range - 45Hz - 55Hz, 350Hz - 450Hz, 450Hz - 550Hz; 900Gts - 110Hz; 1350Gts - 1650Gts.
Rated voltage - 100 V, 127 V, 220.
Power consumption - 8W.
Dimensions - 352 × 370 × 170mm.
Weight - 12kg.
Also, frequency counters D577 used as model units for inspection and calibration of frequency counters.
The execution frequency counters D577 body are dust-and splash-proof. Scale - 500mm dvuhstrochechnaya cosine with a light pointer ..
Frequency counter D577 is produced in several versions, the range of measurements are given in Table 1.
Frequency counter D577 are designed for use in the following conditions:
- Ambient air temperature - from +10 ° C to +35 ° C;
- Humidity of the ambient air - up to 80%.
The manufacturer guarantees the quality of the instrument D577 technical requirements specifications subject to the consumer the terms and conditions of storage, transportation, installation, operation, established specifications and operational documentation.
Frequency D577 meets the requirements for ensuring safety of life, health, consumer and environmental protection.