Gefran KE: Melt Pressure Transmitter, Performance Level 'c'
Gefran KE: NaK Melt Pressure Transmitter, Performance Level 'c'
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SKU: product options

KE NaK filled Melt pressure transmitters Performance Level 'c' are the ideal solution for increasing the safety of extruders.

  • Perfromance Level 'c'
  • Pressure ranges from:
  • 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
  • Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)
  • Hydraulic transmission system for pressure signal guarantees stability at working temperature (NaK). Liquid conforming to RoHS Directive.
  • NaK is defined as a safe substance (GRAS)
  • Quantity of NaK contained per model: KE0 series (30mm³)
  • [0.00183 in³], KE1, KE2, (40mm³) [0.00244 in³]
  • 1/2-20UNF, M18x1.5 standard threads; other types available on request
  • Autozero function on board / external option
  • Inconel 718 diaphragm with GTP coating for temperatures up to 538°C (1000°F)
  • 15-5 PH diaphragm with GTP coating for temperatures up to 400°C (750°F)
  • Hastelloy C276 diaphragm for temperatures up to 300°C (570°F)
  • 17-7 PH corrugated diaphragm with GTP coating for ranges below 100bar-1500psi
  • Stem material: 17-4 PH
Custom Product Options
Pick your custom options from the list below and click "Add To List".
*M18x1.5 (not available with membrane in Inconel)
*available on request
* max temperature
*as an alternative to the CAL function

The KE Performance Level 'c' Series are pressure sensors  for use in high temperature applications where the process temperatures may reach 538°C (1000°F) such as high temperature engineered polymers.

The K Series utilizes standard melt pressure principles and construction; strain sensing technology is bonded foil strain gage.

A near incompressible sodium-potassium (i.e. NaK) mixture is used for pressure transmission. NaK is FDA recognized safe (GRAS) substance.

  • Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
  • Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)
  • Hydraulic transmission system for pressure signal guarantees stability at working temperature (NaK). Liquid conforming to RoHS Directive. NaK is defined as a safe substance (GRAS)
  • Quantity of NaK contained per model: KE0 series (30mm³)[0.00183 in³], KE1, KE2, (40mm³) [0.00244 in³]
  • 1/2-20UNF, M18x1.5 standard threads; other types available on request
  • Autozero function on board / external option
  • Inconel 718 diaphragm with GTP coating for temperatures up to 538°C (1000°F)
  • 15-5 PH diaphragm with GTP coating for temperatures up to 400°C (750°F)
  • Hastelloy C276 diaphragm for temperatures up to 300°C (570°F)
  • 17-7 PH corrugated diaphragm with GTP coating for ranges below 100bar-1500psi
  • Stem material: 17-4 PH
  • GTP (advanced protection)

Coating with high resistance against corrosion, abrasion and high temperature

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.

The procedure is permitted only with pressure at zero.

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