Diaper impurity testing machine

The Diaper Impurity Testing Machine is designed for visual inspection of disposable diapers under controlled lighting conditions to detect residual fibers, particles, or foreign matter. It provides accurate and reliable results, supporting quality control, batch inspection, and research in the hygiene product industry.

Application

This instrument is suitable for impurity detection in a wide range of hygiene products:

Disposable diapers

Baby pants and training pants

Adult incontinence diapers

Sanitary napkins

Absorbent underpads

Wet wipes

Plastic-backed hygiene sheets

Laboratory research on raw materials and finished hygiene products

Evaluation of new absorbent materials and hygiene product designs

Standards

The instrument complies with multiple national and international standards:

(1) GB/T 28004.1-2021 Appendix C – Baby diaper impurity detection

(2) GB/T 28004.2-2021 Appendix C – Sanitary napkin inspection

(3) ASTM F2512 – Standard Test Method for Visual Inspection of Hygiene Products

(4) ISO 11948-1 – Absorbent hygiene product impurity evaluation

(5) JIS T 8130 – Disposable diaper testing

(6) EN 14619 – Disposable diaper residual foreign matter evaluation

Feature

(1) Adjustable LED light source with 0.01 lx to 8000 lx illumination.

(2) Durable electrostatic spray-painted surface, easy to clean.

(3) Imported aluminum brushed control panel with robust metal keys.

(4) Optimized platform and lighting for efficient impurity detection.

(5) User-friendly interface for simple visual inspection.

Parameters

Parameter	Specification
Light source intensity	0.01 lx – 8000 lx
Specimen placement plane	Polyethylene plate
Platform size	300 mm × 250 mm
Power supply	AC 220V, 50 Hz, 80 W
Overall size	420 mm × 370 mm × 600 mm (L × W × H)
Weight	25 kg

Accessories

Standard accessories:

Main unit

Portable carrying case

User manual

Optional accessories:

USB data output

Bluetooth data output

Test Procedures

(1) Prepare the instrument and press the power/selection button to turn on the device.

(2) Press the power/selection button to select the desired measurement mode: visible light transmission, three-light cycle, ultraviolet light transmission, or infrared light transmission. The instrument retains the last used mode after shutdown.

(3) Confirm calibration before measurement. Recalibrate if previous calibration is in doubt; calibration results are automatically stored.

(4) Position the instrument over the sample; the measurement value will be displayed. Avoid operating under strong ambient light.

(5) After measurement, press the power button until “OFF” appears to shut down the device.

Maintenance

(1) Keep the instrument clean; wipe the surface with a soft, dry cloth.

(2) Regularly check the LED light source for consistent illumination and replace if necessary.

(3) Store in a dry environment, avoiding direct sunlight and high humidity.

(4) Ensure proper calibration before extended use.

(5) Avoid exposure to corrosive substances or strong mechanical shock.

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