Application

GTR-7004 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.

Feather

(1) Standard Gurley method
(2) Touch screen operation
(3) Specimen manual clamping
(4) Test pressure manual adjustment
(5) Test pressure real time display
(6) Test data curve real time display
(7) Output in seconds, um/Pa.s, other units optional
(8) Interchangeable test heads
(9) Embedded system, remote service
(10) Built in micro-printer to print reports
(11) Built in data query function
(12) Automatic overload protection
(13) Highly accurate sensors to ensure the accuracy and
repeatability
(14) Standard communication interface
(15) The calibration can be traceable to ensure the
measurability of the test data

Standards

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

Configuration

Standard: mainframe, moisture super filter,
precision pressure regulator.
Optional: drying tube, desiccant,
calibration assembly.
Note: Specifications are subject to change without prior notice.

Main Technical Parameters

Technology   table
Test range	30～60,000 Gurley seconds (Standard)         0.0021～200um/Pa.s(Standard)      300～60,000Gurley   seconds（Optional）      0～60,000 Gurley seconds（Optional）
Resolution	0.1Gurley seconds
Samples:	1（Standard）
Differenttial   pressure	0.01kPa～20kPa（STD：1.22kPa）
Accuracy	0.01kPa
Sample   thickness	≤3mm
Test area	1.0in2. （0.25in2, 0.1in2 optional）
Test gas	Air, O2, N2, CO2（Self-provide）
Gas pressure	-0.1MPa - 0.1MPa
Gas interface	Ф6mm
Dimension	370mm(L) * 320mm(W) *   390mm(H)
Power supply	AC 220V 50Hz
Net weight	28kg