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Home Edu. Lab Materials Physics Lab Materials DC Analog Ammeter Model-0407,A-Meter
Meter Bridge with Pencil Jockey Bangladeshi ৳ 1,550 Original price was: ৳ 1,550.৳ 1,450Current price is: ৳ 1,450.
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Analog DC Voltmeter Type-0408,Volt meter-China ৳ 750 Original price was: ৳ 750.৳ 700Current price is: ৳ 700.

DC Analog Ammeter Model-0407,A-Meter

৳ 750 Original price was: ৳ 750.৳ 700Current price is: ৳ 700.

If you have any query, please feel free to contact us

Hotline : 01715575665, 01713297170

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Categories: Edu. Lab Materials, Physics Lab Materials Tags: A-Meter, Ammeter, Analog Ammeter, DC Ammeter
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Description

Description

DC Ammeter, Model: 0407, Origin: China is most used in the laboratories of school, college, university & polytechnic to measure the current intensity in DC circuit.

Main Standards and Technical Parameters of The Ammeter:

  • The dial is at an angle of 40 degree to the horizontal face.
  • Reference Conditions: Ambient temperature 23ºC ± 2ºC; Relative humidity 40%∼60%
  • Measuring Range: (-0.2~0.6A); (-1~0~3A).
  • Accuracy: Class 2.5
  • Dimensions: 133mmX97X100mm
  • Damping Time: ≤ 4S.
  • Magnetic Screening: Grade – III.
  • Sensitivity: 75mV

Working Principle and Main Structure of This Ammeter:

DC Ammeter, Model: 0407, is mainly composed of the meter head and the meter shell. There are three terminals in the meter shell (“-“, “0.6A” and “3A” terminal). The meter head is a type of moving-coil instrument. It consists of permanent magnetic steel, pole piece, soft iron core and coil, etc. The coil which can rotate around its central axis is placed in the magnetic field. Two hairsprings are welded on both end of the axle of the coil respectively. On one end the pointer is fitted. The dial and the zero adjuster are fixed on the support.

Use and Operation of DC Ammeter: 

Check and adjust the pointer to zero before using. The meter firstly connect in series with the circuit under test. The “-” terminal is connected with negative electrode. Make an estimate of the current intensity in the circuit beforehand in order to avoid damage to the meter by overloading.

Maintenance and Precautions:

  • The meter should be avoided bumping or vibrating violently and it should not be dismounted arbitrarily.
  • Keep the meter clean and protect it from invasion of corrosive gases and influence of strong magnetic field.
  • The meter should be stored in the ambient temperature 0ºC~40ºC and relative humidity ≤85%, and prevent it from dust, heat, moist.supplier and hole seller S.T INTERNATIONAL Bangladesh
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    DC Analog Ammeter Model-0407,A-Meter

    ৳ 750 Original price was: ৳ 750.৳ 700Current price is: ৳ 700.
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