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China Wholesale Helmholtz Coil Factory – LEEM-2 Construction of an Ammeter and a Voltmeter – Labor

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China Wholesale Helmholtz Coil Factory – LEEM-2 Construction of an Ammeter and a Voltmeter – Labor Detail:

Pointer type DC ammeter and voltmeter are refitted from meter head. The meter head is usually a magnetoelectric galvanometer, which only allows the current of micro ampere or milliampere level to pass through. Generally, it can only measure very small current and voltage. In practical use, it must be modified to enlarge its measuring range if it is to measure large current or voltage. The modified meter should be calibrated with standard meter and its accuracy level should be determined. This instrument provides a complete set of experimental equipment for refitting micro ammeter into milliammeter or voltmeter. The experimental content is rich, the concept is clear, stable and reliable, and the structure design is reasonable. It can be mainly used for middle school students’ physics expansion experiment or college general physics experiment and design experiment.

 

Functions

1. Understand the basic structure and usage of a microamp galvanometer;

2. Learn how to extend the measurement range of a galvanometer and understand the principle of constructing a multimeter;

3. Learn the calibration method of a electric meter.

 

Specifications

Description Specifications
DC power supply 1.5 V and 5 V
DC microamp galvanometer measurement range 0 ~ 100 μA, internal resistance about 1.7 kΩ, accuracy grade 1.5
Digital voltmeter measurement range: 0 ~ 1.999 V, resolution 0.001 V
Digital ammeter two measurement ranges:

0 ~ 1.999 mA, resolution 0.001 mA;

0 ~ 199.9 μA, resolution 0.1 μA.

Resistance box range 0 ~ 99999.9 Ω, resolution 0.1 Ω
Multi-turn potentiometer 0 ~ 33 kΩ continuously adjustable

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China Wholesale Helmholtz Coil Factory –  LEEM-2 Construction of an Ammeter and a Voltmeter – Labor detail pictures


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We have been commitment to supply the competitive price ,excellent products and solutions high-quality, at the same time as fast delivery for China Wholesale Helmholtz Coil Factory – LEEM-2 Construction of an Ammeter and a Voltmeter – Labor , The product will supply to all over the world, such as: Florence, Albania, Thailand, In order to meet our market demands, we have paied more attention to the quality of our products and services. Now we can meet customers' special requirements for special designs. We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Kama from San Diego - 2018.12.30 10:21
    The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Olga from Bulgaria - 2017.08.16 13:39
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