Description: Current Transducers, Tx-120, converts either a DC or AC current signal into an optically isolated 4 to 20 mA DC current loop signal with excellent linearity and load driving capability. It is an AC current signal transducer that accepts standard AC current either directly, or from the secondary of a current transformer (CT). The instrument provides optical and galvanic isolation to a potential level of 2.2 KV and operates on AC or DC power supply, as required. It provides a buffered and isolated DC current output (4 to 20 mA) with enhanced load driving capacity. It is widely used for single loop or distributed process measurement and control applications. It is essentially a signal transducer, providing buffering and filtering of the input signal from transients, then converting it into a variable analogue output signal, which is isolated to a potential level of 1.5 kV. It operates on 110 or 230V AC mains power supply or DC power supply of 20 to 70 V DC. The optional features include signal repeating (multiple outputs), digital indication facility and control relay outputs. It is available in standard and rugged industrial grade enclosures for DIN rail/wall-mounting execution, or optionally in field mounting version with IP-65 protected weather-proof enclosures, or in CMRI certified explosion-proof enclosures. It has inherent advantages like immunity to mechanical shocks, dust, ambient temperature, humidity and mildly corrosive ambiences. It can carry a life-time warranty for satisfactory performance.
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