KJ-20 Filter Paper Pore Size Tester

Pore Size Range: 5–150 μm
Pressure Range: 0–20 kPa
Pressure Accuracy: ±1%
Pressure Resolution: 0.01 kPa
Test Piece Thickness: 0.10–3.5 mm
Test Area: 10 ± 0.2 cm²
Power Supply: AC220V

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Product Description

KJ-20 Filter Paper Pore Size Tester is designed for determining the maximum pore size of filter paper and testing the aperture of oil filter materials, air filter elements, filter cloth, and filter paper. It is suitable for new product development, laboratory testing, and routine quality control in filter manufacturing and inspection applications.

Applicable Standards

This tester can be used for pore size and fabrication integrity testing according to the following standards:
ISO 2942:2001
GB/T 14041.1-1993
CFS/T 8002-2011
ISO 4003

Suitable For

• R&D of new products
• Laboratory testing
• Quality control departments
• Filter manufacturers and users
• Testing centers
• Quality inspection and supervision institutions

Parameter

Parameter	Value
Model	KJ-20
Air Pressure	0–20 kPa
Compression Speed	2–2.5 kPa/min
Display	LCD
Pressure Accuracy	±1%
Pressure Resolution	0.01 kPa
Pore Size Range	5–150 μm
Pore Resolution	0.01 μm
Test Piece Thickness	0.10–3.5 mm
Test Area	10 ± 0.2 cm²
Inner Diameter of Clamp Ring	φ35.7 ± 0.5 mm
Cylinder Volume	2.5 L
Instrument Size	275 × 440 × 315 mm
Power Supply	AC220V

Features

Wide Testing Application
Suitable for testing filter paper, oil filter material, air filter element material, filter cloth, and related porous media.

Automatic Aperture Calculation
The tester can automatically calculate and display the aperture value during the test.

Large LCD Display
Uses a large LCD screen for clear pressure display and parameter viewing.

Presettable Parameters
Test parameters can be preset for more convenient operation.

User-Friendly Interface
Each test step includes text prompts to make operation easier.

Compact and Easy to Move
The equipment is small, lightweight, and convenient for laboratory use.

Data Output Function
Can print the average pore size value for each specimen and for a group of specimens.

Applications

• Maximum pore size testing for filter paper
• Aperture testing for oil filter materials
• Pore size testing for air filter elements
• Quality control and R&D testing for filter manufacturers and testing institutions