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. Dynamometric instruments are used for measurement of active, reactive & absolute power in 1 phase & 3 phase systems for balanced / unbalanced load conditions. The following are its salient features:
1. watt, var & va instruments incorporate current coils, connected in series with the load & pressure coils connected across the load.
2. dynamometric instruments work on "air cored electro-dynamometric" principle.
3. power factor meter incorporates two pressure coils, one with non-inductive resistance in series & other with capacitance in series
4. linear, side zero or center zero scale are available.
5. sheet metal [black painted] housing
6. terminal protection provided by shrouded terminals
7. anti - glare glass
