Automatic electric ltd. Is engaged in manufacturing electrical instruments, power systems and instrument transformers in india. The company has been accredited with an iso 9001 certification. Electronic led frequency meter is used to measure the applied frequency, functionally similar to vibrating reed meter. The meter incorporates light emitting diodes leds. The following are its salient features:
1. all voltage ranges are available in single meter.
2. terminal screws with washers are provided only for specific voltage as per requirement remaining two terminals are covered with insulated caps.
3. no vibrating parts.
4. no aging effect.
5. faster response.
6. light in weight.
7. low power consumptio
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8. no effect of external vibration
9. visible in dark & from distance.
10. it is an electronic type instrument
11. operating voltage ranges are 110v125v, 220v-250v, 380v440v.
12. power consumption is less than 3va [single scale], less than 6va [double scale].
13. conforms to i.S. 1248 / b.S. 89. / i.E.C. 51. [part - 4]
