DC Voltmeter Physics Teaching Equipment , measuring Millivolt level dc voltage value

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DC Voltmeter Physics Teaching Equipment , measuring Millivolt level dc voltage value


Product information:


HT-J0412 DC Voltmeter is a high-precision metrical instrument mainly for measuring Millivolt level dc voltage value. It is special for all kinds of school to do the electrical experiment during the physical teaching. It is also adopted by factory and research and development institution as the professional metrical instrument.
Adopting the high speed integrated circuit as input impedance transformer and direct-coupled amplification circuit as the signal amplification processing,this instrument has a wide range of measurement, high measuring accuracy and high EFT.


Technical parameters:

2-1,Voltage measurement range: 0.5mV300V. It is divided into 11 grades, the basic deviation is not more than ±3% of full-scale value of each gear. ±1mV

2-2,Level measurement range: 50dB50dB.

2-3,Voltage frequency range: DC voltage

2-4,Input impedance: Ri 1.5MΩ, Ci 50pF.

2-5,Noise: When input shorts, the indicated value of the ammeter of 3mV gear is not more than 2% of full-scale value.
2-6,Power supply: 220V±10%,50Hz.
2-7,Working time: Continuous.

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Mr. Yan
Tel: 86-755-29919517
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China Testing Equipment Online Market
Building B,ShenChangGang Science Park, Shenzhen, Guangdong, China (Mainland)
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