Process Signal Isolator

Process Signal Isolator

SERTEL Signal Isolators also called Instrumentation Isolators or field instruments are used to galvanically or optically separate the Input circuits from the output circuits. Moreover, if the power-supply is separately provided, in some models, the power circuits also have no electrical connection to either the Input circuits or the Output circuits.Isolators are important bridges between the Transducers, such as Thermocouples, RTDS or other instruments and data collecting and control equipment like SCADA, DCS, Computers etc., By using Isolators, harmful disturbances and hazardous high voltages are prevented from entering into SCADA, DCS, Computer Systems. Also errors due to common mode voltages and ground loops are eliminated. SERTEL Isolators are specifically designed and meticulously manufactured for long term and reliable operation. These Isolators are repairable by design even after their service life. You need not throw, away these Isolators but can send them back to the factory for a new lease of accurate and reliable performance. SERTEL has endeavored to ensure that discarded Isolators do not increase the Electronic pollution of this planet.

  • The Input signals are DC Current,DC Voltage,Resistance,RTD
  • The Output Signals are DC Current [Load Resistance <250Ω],DC Voltage [Load Resistance >1KΩ]
  • Sertel isolators are Isolation Voltage is 3KV AC
  • RMS and Output current limit is 25mA maximum
  • All ports [input, output, power] are Isolated to withstand 1200VAC rms at 50 - 60Hz
  • Resolution: 0.01% of span
  • Accuracy 0.1%span
  • Temperature co-efficient 0.01% of span per 0C

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