China Wholesale Voltmeter Manufacturers – LEEM-2 Construction of an Ammeter and a Voltmeter – Labor

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We stick to our enterprise spirit of "Quality, Performance, Innovation and Integrity". We purpose to create a lot more price for our prospects with our rich resources, innovative machinery, experienced workers and great products and services for Rotate Liquid, Mercury Lamp, Interference, We sincerely expect exchange and cooperation with you. Let us move forward hand in hand and achieve win-win situation.

China Wholesale Voltmeter Manufacturers – 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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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" and the theory of "quality the basic, trust the first and management the advanced" for China Wholesale Voltmeter Manufacturers – LEEM-2 Construction of an Ammeter and a Voltmeter – Labor , The product will supply to all over the world, such as: Chicago, Kuwait, Sacramento, With nearly 30 years' experience in business, we are confident in superior service, quality and delivery. We warmly welcome customers from all over the world to cooperate with our company for common development.

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Work Functio

We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.