Fabric Surface Charge Testing Machine ASTM D257 Industrial Supply
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Feature
The measuring device integrates a friction device and potential measurement system for precise testing.
The potential measurement system consists of Faraday tube and electrostatic potentiometer components.
Faraday tube is grounded, while the potentiometer is placed on the bench or desktop.
Measures electrostatic charge accurately under controlled laboratory conditions.
Suitable for R&D, quality control, and antistatic textile evaluation.
High measurement sensitivity with stable readings.
Compact design with easy installation and operation.
Parameters
| Parameter | Specification |
|---|---|
| Measurement range | 0 – 2 μC |
| Precision | 0.001 μC |
| Input impedance | >10 Ω |
| Roller friction machine | Diameter ≥ 590 mm; depth ≥ 360 mm |
| Faraday tube | Diameter 500 mm; depth 1350 mm |
| Dimensions | 1200 × 600 × 1400 mm |
| Power supply | AC 220V 50Hz, 1.5 KW |
| Weight | 65 kg |
Accessories
Faraday tube
Electrostatic potentiometer
Roller friction machine
Dedicated connecting cables
Optional accessories include additional roller types or sizes for different fabric types.
Maintenance
Connect the Faraday tube to the charge measuring device using the dedicated cable.
Turn on the tester; set the power switch to "1".
Press the "clear" button to reset the charge meter to zero.
Perform friction test with the roller machine. After friction, insert the specimen into the Faraday tube using the insulating rod, keeping other objects at least 300 mm away.
Read the measurement on the charge meter.
Regularly calibrate the potentiometer and Faraday tube for accurate readings.
Keep the instrument clean and avoid exposure to moisture.
Perform electrical safety checks periodically.
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