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Watthour Transducer - WHT290
The WHT290 Watt-hour Transducer provides an economical and compact solution to monitoring of single phase AC power consumption applications.
The AC voltage is directly connected for measurement and this also provides power for the internal circuit.
The AC current is measured by using an external current transformer for isolation that is supplied with some models. The split core CT, CST007 is the most common type.
Two DC pulse outputs Slow and Fast are provided. The Slow output is scaled to suit maximum power input while the Fast output is generally used to verify module function. Both outputs are visibly indicated by LEDs on the front of the WHT290
Input
ac Power
Function
ac Transducer
Output
Pulse/Frequency
