SDM-03 Safety Helmet Impact Puncture Resistance Tester
Main usage
Produced according to GB/T2812-2006 and GB2811-2019, it is mainly used to test the impact absorption performance and puncture performance of safety helmets. Widely used in special labor protection equipment supervision and inspection stations, building science research institutes, construction engineering quality inspection stations, power departments, and safety helmet production enterprises.
Main indicator
1. Impact hammer: with a mass of 5-5.01kg, the hammer head is hemispherical with a radius of 48mm, made of 45 # material, and has a symmetrical shape.
2. Puncture hammer: made of 45 # steel, with a mass of 3-3.05kg; the cone angle of the puncture part is 60 °; Cone tip radius 0.5mm, length 40mm, maximum diameter 28mm, hardness HRC45.
3.Sensor: Dynamic force sensor, range 0-20000N, frequency not less than 5KHZ, accuracy 1.5%.
4. Data system: Sampling frequency 20kHz, sampling time 50ms, acquisition lower limit 500N, accuracy 1N.
5. Impact height: adjustable from 1000mm ± 10mm.
6. Test head mold: mass 5.0 ± 0.1kg, height 250mm, made of aluminum magnesium alloy material, can be repaired after impact.
7.Equipment power supply: AC220V, 50Hz.
8.Weight: Approximately 100kg
SDM-17 Safety Helmet Vertical Space Wearing Height Tester
Main purpose
Produced according to GB/T2812-2006 and GB 2811-2019 safety helmets, mainly used for testing the vertical spacing and wearing height of safety helmets. Widely used in special labor protection equipment supervision and inspection stations, building science research institutes, construction engineering quality inspection stations, power departments, and safety helmet production enterprises.
Main feature
1.The head mold adopts a plug-in type, which does not require the replacement of the digital ruler, making it convenient and fast to replace the head mold.
2.Humanized horizontal display ruler design, with no blind spots for observation, improves the convenience and comfort of testing.
3.Configure one dedicated tester 1 # and one head mold.
Main indicator
Scale accuracy: 0.1mm.
Wear height resolution: 0.01mm.
Weight: approximately 13Kg
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