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Dongguan City Leya Electronic Technology Co. Ltd

electronic desktop calculator with 12-digit
electronic desktop calculator with 12-digit
electronic desktop calculator with 12-digit

electronic desktop calculator with 12-digit

Payment Type: T/T
Incoterm: FOB
Min. Order: 3000pcs Pack/Packs
Delivery Time: 30 Days

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Basic Info

    Model No.: OS-3M

    Condition: New

    Customized: Non-Customized

    Certification: Other, RoHS, CE

    Color: Other

    Network Function: Not Support Network

    Video: Without Video

    Size: 135x171x27mmmm

Additional Info

    Packaging: Color box packaging, single side suction, double-sided suction plastic

    Productivity: 1,000,00 pcs/month

    Transportation: Ocean,Land,Air

    Place of Origin: CHINA

    Supply Ability: 1,500,00 pcs/month

    Port: ShenZhen,China

Product Description

The cold-cathode display tube and the neon lamp operate on the same principal.
The simple neon indicator lamp consists of a sealed glass tube with two closely spaced non-heated electrodes, an anode and a cathode. The tube contains neon gas at very low pressure together with a small percentage of mercury vapour. They are often used in AC power sockets to indicate that they are switched on.
The gas in the tube initially acts as an insulator and as the voltage between the anode and cathode is increased practically no current flows. However, a little of the gas in the tube will be ionised by naturally occurring cosmic rays, radioactivity, or ambient light into positive ions and negative electrons. The electric field being applied to the electrodes will cause the positive ions to move towards the cathode and the electrons towards the anode. As the applied voltage is increased so these will start to move faster and faster, colliding with other gas atoms and ionising them by knocking off electrons.
At the "striking" or "ignition" voltage the ions and electrons move which such high speeds that an avalanche of further ions and electrons is produced by all the collisions. This leads to a high current flow, which is kept in check by an external resistor in series, and an amber glow at the cathode.

12 digits desktop calculators
Battery, solar, two-way power
Big display
Metal faceplate
Certifications: RoHS Directive, CE
Service: customized logo, color, brand name
Packing: color box with customized logo
Size: 135x171x27mmmm
Packing specification:
Inner carton: 20 pieces
Outer carton: 80 pieces
Size: 75.5x40.2x33cm
Net weight: 14.00kg
Gross weight: 19.70kg
Desktop Electronic CalculatorDesktop Electronic Calculator

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