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. Vibrating reed frequency meter is used to measure the applied frequency. Vibrating reed frequency meters indicate the supply frequency by means of individual reeds. The instrument can be operated at 110v, 220v, or 440v. The following are its distinct features:
1. vibrating reed.
2. no aging effect.
3. faster response.
4. lightweight.
5. low power consumption
6. rugged construction
7. high reliability
8. it is a vibrating reed type instrument
9. its operating voltages are 110v125v, 220v250v, 380v440v.
10. power consumption is less than 0.3va, 0.6va and 1.2va for respective operating voltage in 72 & 96. 26 sizes
11. dielectric strength is 2kv rms for 1 minute.
12. operating temp.-10°c to 55°c
13. conforms to i.S.1248 / i.E.C. 60051[part4].
14. there are 11 reeds in a row in steps of 1hz for range 45 - 50 - 55hz [55 - 60 - 65hz] with additional 2 reeds for 49.5 and 50.5hz [59.5 and 60.5hz] respectively.