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Enameled wire tester

Back and Forth Scratching Tester

Back and Forth Scratching Tester

Performance Characteristics of Product
Executive standard: NEMA、JIS; Inspection standard: JB/T4279.15-2008
Used to detect the scraping resistance of coating and cable insulation layer of flat wires of 0.800~5.600mm (narrow side) and the silk and enamel covered round wires with nominal conductor diameter of 0.100~5.000mm;
Application of SCM control allows for fast operation and strong anti-interference capacity;
Sample support table allows for parallel rise and fall, maintaining close contact between the entire plane with sample;
Scratching needle is vertical to the paint scraping direction and parallel with sample supporting table;
When film is scratched and the action current is ≥5mA, painting scraper would automatically stop scraping;
LED would automatically display the number of scraping.

Major Technical Parameter

Scraper stroke


Scraping speed

60±1 times /min

Test voltage

DC1~20±0.5V, adjustable

Number of scraping

Ranging 1~999



Diameter of scratching needle

0.45±0.01mmor 0.55±0.01mm

Input power

AC220V±10%  50Hz

Consumed power


Overall dimensions

L×W×H  560×314×360mm



Preparation of weights: 1N×1,2N×2,5N×2,0.1N×1,0.2N×2,0.5N×1