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    Human body electrostatic discharge instrument

    • Product Name:Human body electrostatic discharge instrument
      Product Model:WH-7900A
      Product Feature:Small and light; requiring no power supply; easy to install; insensible during electrostatic elimination; working normally in -50-100℃.
    • Service Hotline:
      86-755-29981716
    Product Description

    WH-7900 series human body electrostatic discharge instrument (also called: touching-type static elimination ball) is made of stainless steel pipe and stainless steel ball. It is suitable for the chemical industry, metallurgy industry, military industry, oil field, computer room, high-standard hotels, high-ranking offices and other flammable and explosive places. The most prominent characteristic of the instrument is that it works normally in -50-100℃. WH-7900 human body electrostatic discharge instrument adopts a kind of passive circuit, uses static electricity on human body to make the circuit work and finally achieve the purpose of eliminating static electricity. Its features are: small and light; requiring no power supply; easy to install; insensible during electrostatic elimination.

    Medical research has proved that the accumulation of static electricity on human body is harmful to health: some people may have skin allergy, heart rhythm disorders, headachy, insomnia, dysphoria and other symptoms, and some even have their hairs stand on end and mental stress. These people are afraid of touching metal objects. In addition, the static electricity accumulated on human body may cause a computer crashes, electronics components breaks down and lighting flammable materials through touching.

    WH-7900A: Adopt expansion screws directly to fix the release ball on the ground.

    WH-7900B: Equip with pedal baseboard, which adds stainless steel humanoid footprints on the PVC photochemical board.

    WH-7900C: Equip with foundation, can be placed on the ground directly, easy to move.

    Technical Parameters
    Human body electrostatic voltage 3.0KV
    Electrostatic release time 100UA
    Maximum release current I≤0.1mA
    Environment temperature Environmental humidity :≤65%
    Product specifications
    NameWH-7900AWH-7900BWH-7900C
    Diameter of release ball 12CM12CM11CM
    Support 85--140CM(adjustable)85--140CM(adjustable)Height 110cm (not adjustable)
    Pedal bottom __SG-800B: 40*45CM (stainless steel footprints: 12*30cm) SG-800C: 300mm foundation
    Test results
    Human body electrostatic voltage ±20KVEnvironment temperature 22℃
    Release time of five fingers +0.09sResidual voltage -50V
    Release time of five fingers +0.094sResidual voltage -50V
    Release time of palm +0.08sResidual voltage -50V
    Release time of palm +0.081sResidual voltage -50V

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