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Specification
Brand : FYYKXWD
BulletPoint1 : This instrument is mainly used to amplify tiny currents and is used in conjunction with many experiments in teaching that require current amplification.
BulletPoint2 : This instrument consists of input terminal, output terminal, amplification adjustment knob, power switch, power indicator light, etc.
BulletPoint3 : When a small current is input to the instrument, the output of the instrument can drive the pointer of the ammeter to display the magnitude (qualitative) and direction of the current.
BulletPoint4 : - Simple structure, easy to operate, easy to disassemble, simple and convenient to use.
BulletPoint5 : Brief Introduction of Middle School Physics Research
Color : One Color
ExternallyAssignedProductIdentifier : 8258610046570
ItemName : Adjustable Multiple Physical and Electrical Equipment Teaching Aids and Instruments Microcurrent Amplifier
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 3 centimeters
ItemPackageDimensions_Width : 2 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : science-classroom-measurement-kits
Manufacturer : FYYKXWD
ModelNumber : FYYKXWD
NumberOfBoxes : 1
NumberOfItems : 1
PartNumber : FYYKXWD
ProductDescription : Size: length 130* height 95mm
Material: plastic outer box, metal components Weight: about 180g
Purpose: This instrument is mainly used to amplify tiny currents and is used in conjunction with many experiments in teaching that require current amplification.
1. Power supply voltage: DC6v
2. Magnification: not less than 600 times
3. Input current: 0.5~10 u A

The instrument uses an integrated amplifier circuit with high input impedance as the amplifier. The output terminal of the instrument is the output terminal of two amplifiers of the integrated circuit. One of them amplifies the micro current, and the other amplifier is used to adjust the zero position of the initial state output so that the amplifier can operate without When connected to an external input, the output of the instrument is zero. In this way, when a small current is input to the instrument, the output of the instrument can drive the pointer of the ammeter to display the magnitude (qualitative) and direction of the current.

Before the experiment, open the back cover of the instrument, insert the battery, use a connecting wire to connect the output terminal of the instrument to the input terminal of the sensitive ammeter, then connect the microcurrent output terminal to be amplified to the input terminal of the instrument, and then amplify the When the sensitivity adjustment knob is turned counterclockwise to the end, the current amplification is the smallest. Turn on the power switch, input the micro current, and turn the magnification adjustment knob clockwise to make the ammeter pointer swing at a moderate level, so that the observation effect is good without damaging the ammeter, so that the micro current can be seen from the ammeter. Changes in size and direction.
Size : One Size
UnspscCode : 31162400