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China Wholesale Magnetoresistance effect Suppliers – Apparatus for Determining Planck’s Constant – Advanced Model – Labor

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Our goods are commonly recognized and reliable by consumers and may satisfy continually developing economic and social needs for Heat Conductivity, Harmonic Motion, Heat Capacity Of Metal, Our merchandise are widely recognized and trusted by users and can meet up with continuously changing economic and social needs.
China Wholesale Magnetoresistance effect Suppliers – Apparatus for Determining Planck’s Constant – Advanced Model – Labor Detail:

Features

 

  • Manual or auto measurement modes

  • Integrated structure and easy to operate

  • No crosstalk between spectral lines

  • Built-in data acquisition card with software for PC use via USB port

Introduction

It used for determining Planck’s constant is used to demonstrate the photoelectric effect, The filter adopts high-grade integrated operational amplifier and special circuit design, high-performance photoelectric tube, and the dial is a filter structure with novel design and complete functions.

Photocell sensitivity ≥ 1mA / LM, dark current ≤ 10A; zero drift ≤ 0.2% (full scale reading, 10a gear, after 20 minutes of preheating, measured within 30 minutes under normal environment); 3.5-bit LED display, the minimum current display is 10a, the minimum voltage display is 1mV, so the “zero current method” or “compensation method” can be used to accurately measure the cut-off voltage

 

 

Specifications

 

Description Specifications
Wavelength of filters 365 nm, 405 nm, 436 nm, 546 nm, 577 nm
Size of apertures 2 mm, 4 mm, 8 mm, 10 mm, 12 mm
Light source 50 W Mercury lamp
Photocell Wavelength range: 340 ~ 700 nm
Cathode sensitivity: ≥1 µA (-2 V ≤ UKA ≤ 0 V)
Anode dark current: ≤5×10-12 A (-2 V ≤ UKA ≤ 0 V)
Current range 10-7 ~ 10-13 A, 3-1/2 digit display
Voltage range I: -2 ~ +2 V; II: -2 ~ +20 V, 3-1/2 digit display, stability ≤0.1 %
Zero drift < ±0.2% of full scale (for scale 10-13 A) within 30 minutes after warm-up
Measurement method Zero current method and compensation method
Measurement error 3%

 

Parts List

 

Description Qty
Main Unit 1
Electric Control Unit 1
Special BNC Cable 2
USB Cable 1
Software CD 1
Power Cord 1
Instructional Manual 1

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China Wholesale Magnetoresistance effect Suppliers –  Apparatus for Determining Planck’s Constant – Advanced Model – Labor detail pictures


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  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By King from Belgium - 2018.06.18 19:26
    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
    5 Stars By Judy from Libya - 2017.11.29 11:09
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