Parts and Materials for Electrostatic

Force Demonstration Apparatus

 

Equipment

Supplier

Website

Bulk Price

Price Per Unit

Jennings JS-50x Precision Digital Pocket Scale

SaveOnScales

http://www.saveonscales.com/product_jennings_js50x_digital_pocket_scale.html

$35.90

$35.90

Plastic Board (21 x 31 cm) PVC Recommended

McMaster Carr

http://www.mcmaster.com/itm/find.ASP?tab=find&context=psrchDtlLink&fasttrack=False&searchstring=8747K139

$41.75

$10.41

1" Dia. Black Delrin Rod

McMaster Carr

http://www.mcmaster.com/itm/find.ASP?tab=find&context=psrchDtlLink&fasttrack=False&searchstring=8497K313

$4.75

$4.75

PVC Block for Caliper Support

McMaster Carr

http://www.mcmaster.com/itm/find.ASP?tab=find&context=psrchDtlLink&fasttrack=False&searchstring=8662K19

$16.23

$5.40

Banana Jack Dual Binding Post - 274-718

Radio Shack

http://www.radioshack.com/product/index.jsp?productId=2102838&cp

$4.99

$4.99

Alloy Steel Button Head Socket Cap Screw 1/4"-20 Thread, 3/4" Length - 100 per package

McMaster Carr

http://www.mcmaster.com/nav/framework.asp?reqtyp=catalog&CtlgPgNbr=2979&sesnextrep=616853790379949&CtlgEdition=112&k1=91255A540&t1=PN

$13.91

$0.56

Two 10 cm Diameter 1/16 Thick Aluminum Plates

 

 

 

      ~$2.00

 

6 Digital Caliper

Harbor Freight

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=47257

     $19.99

 

        $19.99

 

Misc:  Short Length Fine Copper Wire, Small Piece of Copper Tape

 

 

 

     ~$0.50

 

Plastic Spring Clamp 2

 

McMaster Carr Part Number 50065A22

 

       $2.50

 

Machine Shop and Assembly Labor

 

 

 

$50.00

 

 

 

Total:

$137.00