The helmet tester is a national standard GB/T2812-2006 "Hard Hat Test Method" research and development, mainly to detect the hard hat helmet resistance based on the impact absorption performance, puncture resistance, chin strap strength, lateral rigidity, flame retardant performance, Anti-static performance, electrical insulation performance, etc. These test instruments are indispensable test instruments for hard hat manufacturers to apply for production licenses and labor safety certification, and major construction engineering quality inspection units are used to test the qualification of helmets for construction sites. . The following describes various performance indicators of the testing equipment used in the helmet test equipment:
First, ZM-811 helmet impact resistance puncture tester (mainly to detect the helmet impact absorption performance and puncture performance)
1, drop hammer height: 1000mm.
2, automatically release the impact hammer and puncture hammer.
3, impact hammer material is 45# steel, quality 5-5.01kg;
Puncture hammer hardness HRC45, quality 3-3.05kg.
4, dynamic force sensor: measuring range 0-20KN,
5kHz minimum response frequency, accurate to 1N.
5. One head mold with 1# and 2# aluminum-silicon alloy test heads is attached.
6, LED digital display, automatically save the maximum force value.
Second, ZM-815 helmet chin strap strength lateral stiffness tester (mainly to detect the helmet chin strap strength and lateral rigidity)
1, the measurement of force range: 0 ~ 750N
2, measuring force accuracy: 1%
3, displacement display accuracy: 0.1mm
4, time display accuracy: 1s.
Third, ZM-816 safety helmet vertical spacing wear height measuring instrument (mainly measuring helmet vertical spacing and wearing height)
1, with two special heads for measurement 2, measurement accuracy: 1mm
Fourth, ZM-817 helmet flame retardant tester (mainly to detect the flame retardant helmet performance)
1. Equipped with highly sensitive combustible gas leakage alarm device, if found combustible gas alarm and automatically cut off gas.
2, time timer: display value error ± 1%, used to record the continued burning time, accurate to 0.01s.
3, the flame application timer: display value error ± 1%, used to set the flame on the helmet on the time, burning time can be set by itself, ignition timing range: 0-99.99 seconds.
4, equipped with flame height measurement device: ruler height 50mm.
5, fuel supply device: pressure regulating valve, gas volume control valve, gas tank device, to ensure that the flame-spraying head to discharge a 50mm-length blue flame.
6, the use of electronic ignition, safe and convenient, "push-pull" model rack fixture, "positioning wire" and "guide" assisted positioning.
7, burner automatic timing positioning.
8, ignition time 0-99.9 seconds arbitrarily set, automatically record the duration of ignition, smoldering time.
9. The height of the flame can be adjusted, and the height of the flame that measures the height of the flame can help to set the height of the flame.
V. ZM-818 helmet anti-static performance tester (mainly detects the anti-static performance of the helmet)
1, high resistance meter indication error: ± 1%,
2. Voltage: 100VDC
Sixth, safety helmet electrical insulation tester (mainly detects the electrical insulation of the helmet)
1, the current value error ± 1%
2, the voltage error ± 1%
3, timer indication error ± 1%
4, probe diameter 4mm, the top is hemispherical.
5. Within 1min, increase the voltage to 1200V ± 25V for 15s.
6. Regulator: Range 1500V
7, high-quality storage tanks.
8, LED digital display current, voltage value.
Seven, ZM-820 helmet UV aging box (mainly used to do before the helmet test aging pretreatment test)
1, high-quality cold-rolled plate electronic control box, high-quality stainless steel experimental box;
2, using high-precision temperature controller;
3, timing range: 0-999 hours 4, the number of pre-processing helmets: 1-14 top 5, ultraviolet radiation source: high voltage arc arc lamp, 220V, 450W
VIII. High-temperature pretreatment box of ZM-821 hard hat (mainly used for high temperature pre-treatment test before helmet testing)
1, PID self-tuning temperature controller, accurate control of temperature.
2, with a high precision timer and temperature display.
3, all stainless steel fin heating system;
4, high temperature 50 °C ± 2 °C
5, time timing range: 0-99 hours.
Nine, ZM-822 helmet cryogenic constant temperature water immersion pretreatment box (mainly used for low temperature water immersion pretreatment test before the helmet test)
1, water immersion tank temperature: 20 °C ± 2 °C.
2, water immersion tank water way: water pump.
2, low temperature: -20 °C ± 2 °C or -10 °C ± 2 °C optional.
3, time timing range: 0-99 hours.
This article is an article of Qingdao Zhongbang Instrument Co., Ltd. If you need to reprint it, be sure to add the source of the description. Reproduce the misappropriation without permission.
First, ZM-811 helmet impact resistance puncture tester (mainly to detect the helmet impact absorption performance and puncture performance)
1, drop hammer height: 1000mm.
2, automatically release the impact hammer and puncture hammer.
3, impact hammer material is 45# steel, quality 5-5.01kg;
Puncture hammer hardness HRC45, quality 3-3.05kg.
4, dynamic force sensor: measuring range 0-20KN,
5kHz minimum response frequency, accurate to 1N.
5. One head mold with 1# and 2# aluminum-silicon alloy test heads is attached.
6, LED digital display, automatically save the maximum force value.
Second, ZM-815 helmet chin strap strength lateral stiffness tester (mainly to detect the helmet chin strap strength and lateral rigidity)
1, the measurement of force range: 0 ~ 750N
2, measuring force accuracy: 1%
3, displacement display accuracy: 0.1mm
4, time display accuracy: 1s.
Third, ZM-816 safety helmet vertical spacing wear height measuring instrument (mainly measuring helmet vertical spacing and wearing height)
1, with two special heads for measurement 2, measurement accuracy: 1mm
Fourth, ZM-817 helmet flame retardant tester (mainly to detect the flame retardant helmet performance)
1. Equipped with highly sensitive combustible gas leakage alarm device, if found combustible gas alarm and automatically cut off gas.
2, time timer: display value error ± 1%, used to record the continued burning time, accurate to 0.01s.
3, the flame application timer: display value error ± 1%, used to set the flame on the helmet on the time, burning time can be set by itself, ignition timing range: 0-99.99 seconds.
4, equipped with flame height measurement device: ruler height 50mm.
5, fuel supply device: pressure regulating valve, gas volume control valve, gas tank device, to ensure that the flame-spraying head to discharge a 50mm-length blue flame.
6, the use of electronic ignition, safe and convenient, "push-pull" model rack fixture, "positioning wire" and "guide" assisted positioning.
7, burner automatic timing positioning.
8, ignition time 0-99.9 seconds arbitrarily set, automatically record the duration of ignition, smoldering time.
9. The height of the flame can be adjusted, and the height of the flame that measures the height of the flame can help to set the height of the flame.
V. ZM-818 helmet anti-static performance tester (mainly detects the anti-static performance of the helmet)
1, high resistance meter indication error: ± 1%,
2. Voltage: 100VDC
Sixth, safety helmet electrical insulation tester (mainly detects the electrical insulation of the helmet)
1, the current value error ± 1%
2, the voltage error ± 1%
3, timer indication error ± 1%
4, probe diameter 4mm, the top is hemispherical.
5. Within 1min, increase the voltage to 1200V ± 25V for 15s.
6. Regulator: Range 1500V
7, high-quality storage tanks.
8, LED digital display current, voltage value.
Seven, ZM-820 helmet UV aging box (mainly used to do before the helmet test aging pretreatment test)
1, high-quality cold-rolled plate electronic control box, high-quality stainless steel experimental box;
2, using high-precision temperature controller;
3, timing range: 0-999 hours 4, the number of pre-processing helmets: 1-14 top 5, ultraviolet radiation source: high voltage arc arc lamp, 220V, 450W
VIII. High-temperature pretreatment box of ZM-821 hard hat (mainly used for high temperature pre-treatment test before helmet testing)
1, PID self-tuning temperature controller, accurate control of temperature.
2, with a high precision timer and temperature display.
3, all stainless steel fin heating system;
4, high temperature 50 °C ± 2 °C
5, time timing range: 0-99 hours.
Nine, ZM-822 helmet cryogenic constant temperature water immersion pretreatment box (mainly used for low temperature water immersion pretreatment test before the helmet test)
1, water immersion tank temperature: 20 °C ± 2 °C.
2, water immersion tank water way: water pump.
2, low temperature: -20 °C ± 2 °C or -10 °C ± 2 °C optional.
3, time timing range: 0-99 hours.
This article is an article of Qingdao Zhongbang Instrument Co., Ltd. If you need to reprint it, be sure to add the source of the description. Reproduce the misappropriation without permission.
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