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Electronic Component Testing

Electrical Ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.A familiar and widely used example is the inductive ballast used in fluorescent lamps to limit the current through the tube, which would otherwise rise to a destructive level due to the negative differential resistance of the tube's voltage-current characteristic.

Ballasts vary greatly in complexity.They may be as simple as a resistorinductor, or capacitor (or a combination of these) wired in series with the lamp;or as complex as the electronic ballasts used in compact fluorescent lamps(CFLs) &  high-intensity discharge lamps (HID lamps).

Electronic ballasts are more efficient and more compact in size and weight. They also provide the ability for continuous power adjustment at different settings. A disadvantage is that power fluctuations may cause a failure but this can be offset by adding a buffer capacitor. Operation of the ballasts generates heat.CAL provide the following testing facility on very best price-  AC Supplied Electronic Ballasts for Tubular Florescent Lamps:(Parameters List)- AbnormalConditions,Classification,Creepage distances & clearances,electric strength,moisture resistance & insulation,marking,provision for earthing,protection against electric shock,protection against accidental contact with live parts,terminals.

AC Supplied Electronic Ballasts for Tubular Fluorescent Lamps:(Parameters List)-

Circuit Power Factor Current Waveform,Endurance,General Requirement,Impedance of Audio Frequencies,Magnetic Screening,Mains Transient Over Voltage,marking,Operating Conditions,Operational Tests for Abnormal Conditions,Supply Current,Starting Conditions.

Ballasts for Fluorescent Lamps For Switch Start Circuits :(Parameters List)-

General Design Construction & Workmanship,Screws, current-carrying parts & connections,Terminal for external wiring.





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