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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Sifam Tinsley Programmable Multi-Transducers

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Theta 40 Programmable Multi-Transducer - Heavy-Current Power Systems - Sifam Tinsley


The Sifam Tinsley Theta 40 Series of multi-transducers simultaneously measure several variables of an electric power system and process them to produce 2 or 3 or 4 analogue output signals. 2 or 4 digital outputs are available for signaling limits or power metering. For two of the limit outputs up to 3 measurands can be logically combined.

  • Monitor single and 3-phase power systems
  •  Input voltage up to 693 V (phase-to-phase)
  •  Up to 4 analog outputs
  •  Up to 4 digital outputs (meter transmit, limit)
  •  High accuracy: 0.2% V/I, 0.25% P
  •  Wide range auxiliary power AC/DC
  •  RS-232 setup ...


Theta M Programmable Multi-Transducer - Power & Energy - Sifam Tinsley


The Sifam Tinsley THETA - M transducer is used to measure and convert parameter of Three-phase 3W/4W AC power network with balanced or unbalanced system.
It ensures that the measurement and conversion of measured values into standard analog current signals. Relay outputs signal the overflow of the selected quantities, and the pulse output can be used for the consumption monitoring of the 3- phase active energy.

  •  Power & Energy measurement
  •  Onsite programmable PT & CT ratio
  •  THD measurement
  •  Selectable analog output range (0-20mA / 4-20mA / ±20mA)
  •  Detection and signaling ...