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Products - Transducers
DC To DC Isolator Transducer

DC To DC Isolator Transducer

In measuring and control circuit where a direct connection of current carrying circuit is not possible, a galvanic separation is necessary to have an interference-free operation. This transducer converts input DC current into proportional load independent DC voltage at output with galvanic isolation between input and output. This transducer is used mainly as an amplifying and isolating element in telemetering, computer and control systems. The input signal is buffered and amplified by a precision operational Amp. This signal drives a linear opto coupler. The output of the linear opto coupler drives a buffer amplifier which is factory set to provide load independent output proportional to the input. The transducer is designed to accommodate two isolating circuits. The input and output circuits are powered by an isolated supply derived from an AC auxiliary transformer.

Features Characteristics Technical Data Block Diagram


Features

  • High accuracy class : 1.0

  • Withstands wide temperature variations.

  • Wide range of Input / Output to meet National / International requirements.

  • Rugged and vibration resistant.

  • Available in dust proof sheet plastic enclosures suitable for Back panel / Din rail mounting.

  • High input / output isolations : 1.0 KV.

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Characteristics

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Technical Data

Measuring Range 0 - 1.2 In
Rated Input Current 4 - 20 mA
Internal Consumption < 1.0 V for current input
Auxiliary Power Supply 24V ac 50/60 Hz
3 VA burden
Nominal Output
(Unipolar/Bipolar)
0 - 10V DC
Load Range (Ohms)
Voltage Output

Min 500 Ohms
Residual A.C. Ripple < 0.1% PP
Overload Capacity
a) Continuous

2.0 In
Accuracy Class 1.0
Response Time < 0.3 sec.
Input/Output/Auxiliary 1.0KV
Operating Temperature 0 - 50°C
Environment Condition User group II as per IEC 60688
Number of output 2


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.Block Diagram

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