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China Wholesale para-magnetism Manufacturers – Apparatus for Determining Planck’s Constant – Advanced Model – Labor

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China Wholesale para-magnetism Manufacturers – 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 para-magnetism Manufacturers –  Apparatus for Determining Planck’s Constant – Advanced Model – Labor detail pictures


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The key to our success is "Good Product Quality, Reasonable Value and Efficient Service" for China Wholesale para-magnetism Manufacturers – Apparatus for Determining Planck’s Constant – Advanced Model – Labor , The product will supply to all over the world, such as: New Zealand, Turin, Brunei, Being guided by customer demands, aiming at improving the efficiency and quality of customer service, we constantly improve products and provide more comprehensive services. We sincerely welcome friends to negotiate business and start cooperation with us. We hope to join hands with friends in different industries to create a brilliant future.
  • This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Elaine from Slovenia - 2018.06.18 17:25
    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Alva from Kuwait - 2017.12.02 14:11
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