Gefran I3: Fluid Free Melt Pressure Transmitter, mV/V Output
Gefran I3: Melt Pressure Transmitter, mV/V Output
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  • Pressure ranges: 0-100 to 0-1000 bar / 0-1500 to 0-15000 psi
  • Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)
  • Standard threading 1/2-20UNF, M18x1.5; other versions on request
  • Other types of diaphragms are available on request
  • Autozero function on board / external option
  • 15-5 PH stainless steel diaphragm GTP coated
  • 6-pin connector
Custom Product Options
Pick your custom options from the list below and click "Add To List".
* Not available for I30 and I32 versions
* 10 bar (B01D) or 150psi (P15D) for M18x1,5 version
*available on request

The "IMPACT" series of Gefran are pressure transmitters, without transmission fluid, for using in high temperature environment (350°C).

Medium pressure is transferred directly to the sensitive silicon element via a thick diaphragm. Strain is transduced by a micro-machined silicon structure (MEMS).

The operating principle is piezoresistive. The micro structure includes the measurement membrane and piezoresistors. The minimum deflection required by the sensitive element makes it possible to use very robust mechanics.

The process contact membrane can be up to 15 times thicker than the membrane used in traditional Melt sensors.

  • Total compatibility with the European RoHS Directive
  • High strength
  • Long life
  • Working temperature: up to 350°C
  • Excellent read stability over time
  • Fast response time < 1ms
  • Pressure ranges: 0-100 to 0-1000 bar / 0-1500 to 0-15000 psi
  • Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)
  • Standard threading 1/2-20UNF, M18x1.5; other versions on request
  • Other types of diaphragms are available on request
  • Autozero function on board / external option
  • 15-5 PH stainless steel diaphragm GTP coated

AUTOZERO FUNCTION
All signal variations in the absence of pressure can be eliminated by using the Autozero function.

This function is activated by closing a magnetic contact located on the transmitter housing or by means of external autozero.

The procedure is permitted only with pressure at zero”. The Autozero function should be activated ONLY when the sensor is completely installed on the system.

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