Compression Tester G5 ，ISO 3386 compression strength tester for textile samples

The G5 Compression Tester is designed to simulate fingertip or other localized contact pressure on materials. It accurately measures compression hardness, compression work, and recovery properties, providing quantitative data for evaluating material tactile comfort and mechanical performance. It is suitable for testing compression characteristics of fibers, rubber, foam, footwear materials, mattresses, and soft materials used in consumer electronics.

Application

The G5 Compression Tester is suitable for:

Fibers and Textiles: Compression comfort testing of underwear, bedding, and apparel fabrics

Rubber and Foam Materials: Footwear soles, seat cushions, packaging materials

Bedding Products: Evaluation of compression and recovery of mattresses, pillows, and lumbar cushions

Consumer Electronics: Testing compression performance of touch buttons, soft housings, and cushioning pads

Medical Products: Assessment of compression characteristics of dressings, protective pads, and soft materials

Scientific Research: Studies on material compression mechanics, tactile comfort, and rebound performance

Standards

GB/T 6669-2011 — Test methods for compression properties of rubber, foam, and soft materials

ISO 3386-1/2 — Determination of compression properties of foam

ASTM D3574 — Standard test methods for flexible polyurethane foam

Technical Parameters

Parameter	Specification
Dimensions / Weight	Tester: W170 × D220 × H460 mm / 13 kg Electronic Amplifier: W180 × D400 × H400 mm / 13 kg
Power Supply	AC 100V, max. power 20W
Measurement Environment	Temperature 20–30℃, Humidity 50–70% RH, non-condensing
Compression Load Testing	Differential transformer (ring-type load cell)
Compression Load Range	100 gf, 200 gf, 500 gf, 1000 gf (switchable)
Compression Load Accuracy	≤ ±0.5% full scale
Compression Deformation Measurement	Potentiometer
Maximum Compression Deformation	20 mm
Deformation Accuracy	≤ ±0.5% full scale
Compression Platen Area	2 cm² (standard circular platen)
Compression Speed	Standard: 0.02 mm/sec High Sensitivity: 0.0067 mm/sec Adjustable
Sample Size	Square 2–10 cm

Features

High-Sensitivity Measurement: Capable of detecting extremely small downward forces, suitable for fine materials.

Compression Recovery Testing: Accurately measures subtle recovery forces, assessing material elasticity and tactile comfort.

Multiple Load Settings: Switchable range from 100 gf to 1000 gf to accommodate different material requirements.

Adjustable Deformation Speed: Standard and high-sensitivity testing modes for flexible testing conditions.

Compact and Easy to Operate: Compact design ideal for laboratory and R&D use, providing stable and reliable data.

Test Principle

The G5 Compression Tester measures the material response under localized pressure. A standard circular platen applies controlled compression to the sample. Load cells (differential transformers) measure applied force, while potentiometers record deformation. The device can calculate compression hardness, compression work, and recovery properties, providing quantitative analysis of tactile performance and material elasticity.

Operation Instructions

Prepare a sample (2–10 cm square, thickness as required).

Place the sample under the circular compression platen.

Select the desired load (100 gf–1000 gf) and compression speed (standard or high sensitivity).

Start the test; the instrument measures compression force, deformation, and recovery.

Record and analyze data to evaluate material compression performance.

Maintenance Information

Clean the compression platen before and after each test.

Inspect load cells and potentiometers for calibration and wear.

Avoid exposure to moisture or corrosive materials.

Store in a stable environment, avoiding vibration and direct sunlight.

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