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high frequency tuning fork
 
Medical tuning fork,Steel material,5+1pcs.
 
Medical tuning fork,128HZ,it's good for promotion gifts.
 
Resonance Tuning fork,440HZ
 
Tuning fork,chromeplated surface,The Resonator 4sides is made by high quality pine,512HZ.
 
Tuning fork,aluminium material,512HZ
 
Resonance Tuning fork,440HZ,Steel material.
 
Three globe Instruments Package:26*56*40CMQuantity:4pcsWeight:10kg20':152040':3040
 
Astronomy globe Diameter:20cmPackage:64*43*70CMQuantity:12pcsWeight:15kg20':183540':3648
 
Lamp globe Diameter:20cm Package:64*43*70CMQuantity:12pcsWeight:15kg20':183540':3648
 
Educational globe longitude and latitude modelPackage:72*36*37CMQuantity:2pcsWeight:5kg20':57640':1188
 
interactive white board for boardroom and classroom presentations. The WATCHBOARD can replace the traditional whiteboard and blackboard, the projection screen, the flipchart and the electronic whiteboard completely. It makes any presentation far more interactive and professional. The WATCHBOARD enables you to:1.Directly control applications..
 
DescriptionPurpose:The set is intended to demonstrate phenomena and regularitiesof the "Direct current laws" courseDevice configuration1. Switch2. Resistor of 1 Ohm3. Resistor of 2 Ohm4. Resistor of 3 Ohm5.Lampof12Vvoltage6. Clip module7. Variable resistor of 6 Ohm8. Power supply module9. Copper wire of 0.16 mm diameter (5 m..
 
DescriptionPurpose:The set is intended to demonstratephenomena and regularities of the "Current in semiconductors" course.Device configuration1. Diode2. Transistor3. Photocell4. Thermistor5. Photoresistor6. Resistor (360 Ohm)7. Variable resistor (470 Ohm)8.Lamp(3.5V,0.25A)The experiments1. Observing how resistance of semiconductor..
 
DescriptionPurpose:The set is intended for demonstratingexperiments on capacitor and coil andstudying phenomena and regularities of the"Alternative current" course.Device configuration1. Switch2. Capacitor (18.8 microF)3. Capacitor (4.7 microF)4. Capacitor (4700 microF)5. Capacitor (2200 microF)6. Ferrite choke-coil7. Inductor..
 
ItemPH-9500 OpticsCameraF1.6~3.7, f3.9~85.8mmShooting Area380×280mmZoomOptics zoom≥12 ,Digital zoom≥8FocusAuto / manualApertureAutoVideo SystemImage Apparatus1/3" Image SensorTotal Pixels2,000,000Horrizontal clarity≥750TV lineSNR≥50dBWhite BalanceAuto / manualComparision≥2 separate screenFunctionColor/BW,,..
 
2MP,Visualizer,Visualiser,video presentation equipment,classroom document camera,USB,High Resolution,Education Equipment,PH-200W ItemPH-200WOpticsShooting Area300×245mmZoom12×optical zoom, 13×digital zoomFocusAuto / manualApertureAutoVideo SystemImage Apparatus1/3" Image SensorTotal Pixels2,000,000Horizontal..
 
interactive whiteboard as presentation equipment for meeting halls and education.Benefits:1.Directly control applications from the whiteboard with the electronic pen.2.Write,draw,edit or surf the Internet on the surface of the board with the fast response time3.Annotate over PC software presentation while it’s running and save the..
 
OpticsCameraF1.6~3.7, f3.9~85.8mmShooting Area357*280mmZoom Optics zoom>=12, Digital zoom>=8FocusAuto / manualApertureAutoVideo System Image Apparatus1/3" CMOS Image SensorTotal Pixels850,000Horrizontal clarity>=650TV lineSNR>=50dBWhite BalanceAuto/ manualComparision>=2 separate screenMulmedia FunctionFunctionW/B,..
 
 
 

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