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Static Testing Equipment
Name：LFY-401E Electrostatic Charge Attenuation Tester
Details
Instrument useUse the inductive effect of the step voltage to charge the sample, and test the half-life and shielding coefficient of the sample in the non-contact state.
Instrument characteristics
1. The pressurizing device can generate a step voltage of (1200±50)V within 30μs;
2. Signal acquisition sensor to solve the problem of zero drift of electrostatic potential and external interference, optimize signal processing, and improve detection accuracy
3. Computer control, real-time display of voltage-time curve, voltage half-life and shielding coefficient of the sample, data storage, historical data query, curve printing.
Technical parameter
1. Step voltage generator: (1200±50)V step voltage.
2. Decay time: the range can be set from 0 to 180 seconds, with an error of ±0.01 seconds.
3. Signal acquisition sensor: φ(30±1)mm metal disc, surrounded by grounding protection ring, probe connected to amplifier. The distance between the sensor surface and the top of the support ring is (50±1) mm.
4. Electrode: a stainless steel disc with a diameter of φ (70±1) mm, fixed on an insulating support.
5. Support ring: metal ring, inner diameter φ (100±1) mm, the distance between the top of the support ring and the electrode surface is (4.0±1) mm, and it is coaxial with the electrode.
6. Specimen clamp ring: It is composed of inner ring and outer ring. The specimen is placed between the inner and outer rings; the outer diameter of the inner ring is (250±1) mm, the inner diameter is (220±1) mm, and it is grounded. Coaxial with electrode and support ring. The outer ring is made of flexible (bendable) material, which is convenient for clamping the sample.
7. Attenuation magnification: the range can be set from 0.1% to 100%
8. Sample size: 300mm×300mm.
9. Power supply: AC220V; 50Hz.
Applicable standards
EN 1149-3-2004 Protective clothing-Electrostatic properties-Test method for charge decay measurement, Method 2
The software of this instrument has obtained the copyright of computer software: Electrostatic charge attenuation test system V1.0, registration number: 2019SR1059150
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