Application

GTR-704R II tester is suitable for the analysis and determination of the air permeability and the air resistance of various kinds of battery separation membranes, heat exchange membranes, paper, textiles, non-woven fabrics and other materials. Testing of GTR-704R II is fully automatic during the whole procedure.

Features:

  • Standard Gurley method, patent technology .
  • Touch screen operation .
  • Specimen automatic clamping .
  • Test pressure automatic control.
  • Test pressure real time display.
  • Test data curve real time display.
  • Output in seconds, um/Pa.s, other units optional.
  • Interchangeable test heads(optional).
  • Embedded system, remote service.
  • Built in micro-printer to print reports.
  • Built in data query function .
  • Automatic overload protection.
  • Highly accurate sensors to ensure the accuracy and repeatability.
  • Advanced control device, reliable operation and long service life.
  • Standard communication interface.
  • The calibration can be traceable to ensure the measurability of the test data.

Technical indexes:

  1. Test Range: 30~60,000 Gurley Seconds(Standard).
    0.0021~200um/Pa.s(Standard).
    15~30,000Gurley Seconds(Optional).
    5~15,000 Gurley Seconds(Optional).
  2. Resolution: 0.1 Gurley Seconds.
  3. Sample Amount: 1(Standard).
  4. Differential Pressure:0.01kPa~20kPa(STD:1.22kPa.
  5. Accuracy: 0.01kPa.
  6. Test Area: 1.0in2. (0.25in2, 0.1in2 optional).
  7. Sample Thickness: ≤5mm .
  8. Test Gas: Air, O2, N2, CO2(Self-provide.
  9. Gas Resource: 0.3MPa~1.0MPa.
  10. Interface: Ф6mm .
  11. Dimension: 370mm(L)×320mm(W)×220mm(H) .
  12. Power Supply: AC 220V 50Hz .
  13. Net Wt. 26kg .

Standards:

ISO 5636.5,ASTM D726, TAPPI T460,TAPPI T536,TAPPI T538,TAPP I T490

Configuration:

Standard: mainframe, test head(1.0in2), moisture super filter, precision pressure regulator.
Optional: calibration sheet, drying tube, desiccant.