Frequency counter D1606 (D-1606, D 1606) D166 analog (D 166, D-166)
For frequency measurement in AC in mobile power plants.
45Hz - 55Hz, 55Hz - 65Hz (nominal voltage of 127V, 220V, 380V)
350Hz - 450Gts (nominal voltage of 127V, 220V, 380V)
Accuracy class 2.5.
In terms of resistance to mechanical impact devices are common.
Frequency counter D1606 used at an ambient temperature of -40 ° C to +50 ° C and relative humidity up to 100% (at 50 ° C). Use the equipment at a temperature of -50 ° C to +65 ° C and relative humidity up to 100 % (at 50 ° C). performance of routine and tropical.
Key device parameters D1606 (D166) are shown in Table. 1.
Power Consumption 9V ∙ A. Settling time moving part 3c. Position upright. The length scale of the instrument Frequency D1606 185mm. The scale of the instrument is circular. Changing readings D1606 caused deviation of ambient temperature from the normal, does not exceed 1.2% for every 10 K under the influence of an external magnetic field of 400 A / m - not more than 2.5%, when the instrument is on a ferromagnetic shield - less than ± 0,5%.
Weight 2.1 kg, the size of additional devices such as R1816 / 2 150h200h107mm, weight 3.6 kg, type R1826 / 4 110x 155h95 mm, weight 1.7 kg. Time to failure of at least 31250ch. Average service life of 15 years.
Table 1 Main parameters of the device frequency counter D1606