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Ningbo TianHou Import and Export Co., Ltd.
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Measuring Planck's Constant 

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Place of Origin: Zhejiang, China (Mainland) 
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Means of Transport: BY AIR/BY SEA
Packing: Individually Foam and carto...
Certificate: ISO,CE
Production Capacity: 10000/month
Delivery Date: 15 DAYS
Export Area: EUROPE /ASIA /AFRICA/AMERIC...

Planck's Constant Measuring Instrument is Measuring Planck's Constant

Plancks Constant Measuring Instrument /Measuring Planck's Constant
Wave length of color filter
Red 625-635nm, orange 575-585nm
Green 515-525nm, blue 465-475nm
Wave lengh of LED diode:
Red 618-622nm, orange 584-588nm
Green 528-532nm blue 483-487nm
Light source 12V/35W halogen tungsten lamp
Sensitive compontent: Vacuum phototube
Dark current: Less than 0.003ma
Precision of accelerate voltage: Less than ± 2%
Measuring error: Less than ± 15% compared with the recognized value(h=6.62619x10x34
Power supply: 220V/50Hz± 1Hz or 110V/60Hz± 1Hz
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Ningbo TianHou Import and Export Co., Ltd. [China (Mainland)]


Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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