ASTM D257 Compliant Static Decay Equipment
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The Electrostatic Decay Tester is professionally designed to evaluate the static electricity attenuation characteristics of textile and non-textile materials. It is used to measure corona discharge time, static voltage attenuation half-life, static decay curves, and other electrostatic properties.The instrument provides quantitative analysis of electrostatic diffusibility, enabling accurate assessment of anti-static performance for research, quality control, and compliance testing.
Standards
The instrument complies with and can be applied to the following standards (including but not limited to):
(1) JIS L 1094 – Testing Methods for Electrostatic Properties of Textiles
(2) GB/T 12703 – Textiles — Evaluation of Electrostatic Properties
(3) ISO 18080 – Textiles — Test method for electrostatic properties
(4) AATCC 76 – Electrical Resistivity of Fabrics
(5) AATCC 84 – Electrical Resistance of Conductive Yarns
Features
(1) Integrated analysis and calculation unit capable of automatically computing voltage decay half-life from the static decay curve
(2) One-touch automatic measurement by connecting the analyzer and host meter
(3) Separation design of tester and controller for safe and convenient operation
(4) Digital voltmeter for direct display of test results
(5) Automatic shutdown function for high voltage and motor protection
(6) Optional data analysis software for detailed curve analysis and result reporting
(7) Stable and repeatable testing performance suitable for laboratory and industrial use
Technical Parameters
| Item | Specification |
|---|---|
| Electrostatic Voltage Measuring Range | 0 – 10 kV |
| Half-life Time Range | 0 – 99.99 h |
| Rotation Speed | 1500 RPM |
| Discharge Time | 0 – 99.99 s (standard test time: 30 ± 0.1 s) |
| Discharge Distance (Needle Electrode to Specimen) | 20 mm |
| Measurement Distance (Probe to Specimen) | 15 mm |
| Sample Size | 60 mm × 80 mm |
| Power Supply | AC 220 V, 50 Hz |
| Power Consumption | 1.5 kW |
Accessories
Main testing unit
Analyzer and controller module
Needle electrode assembly
Digital voltmeter
Sample holder
Power cable
Operation manual
Calibration certificate
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