. A method carried out by a micro controller for diagnosing a fault in a current channel of a polyphase microcontroller based electrical energy meter, comprising the steps of:
- reading the output of a channel ADC periodically for determining that the load has entered the quiescent state;
- generating a pulse trai...
A non-invasive system for generating constant and stable alternating currteit output for calibrating energy meters, comprising:
- a constant AC voltage source;
- a transformer for obtaining required output current at predeterrnif^d voltage;
- a manual range selector switch for selecting required calibration curre...
The present invention discloses a device to independently log a data from a power meter. The device includes a metering data recording unit configured to record a metering data from the power meter, wherein the metering data recording unit is connected to a meter circuitry. The device includes a clock unit configure...
The present invention relates to a double stacked battery holder and its method thereof, solderable over a PCB (printed circuit board) 108. The battery holder comprises of a cylindrical shell 101, multiple tab mounts (i.e. primary positive 102, common negative 103 and secondary positive 105), two batteries 104, 106,...
The present invention relates to a tamper resistant sealing apparatus comprises of a capsule 100 crafted with tapered sections 203a, 203b over parallel longitudinal walls 202a, 202b along with a set of female protruded members 206 fabricated over lateral walls of the capsule, an anchor lock 101 designed with a first...