1. 1 2 1 J ka 2. Material Electrical Material Electrical conductivity S m conductivity S m silver 63 01 x 105 nickel 14 3 x 105 copper 59 6 x 106 iron 9 93 x 10 gold 45 2 x 10 platinum 9 66 x 10 aluminium 37 8 x 10 tin 9 17 x 10 calcium 29 8 x 10 sea water 4 788 Zinc 16 6 x 108 drinking water 0 0005 0 05 3. 3 5mm ALL METAL 4. ENSHTI 4 12 1 TEL 03 53773838 5 1 1 EE Se RAE Ver a 6 5 2 S CAP 1 8 IO 2 a 1 25 6 DISC amp NOTCH 7 8 or DOSC amp NOTCH 5. DISC 4 4 S CAP 1 25 NOTCH NOTCH DISC NOTCH ALL METAL DISC NOTCH 3 15 SENS 6. 1 12 ON 1 25 5cm x ff 2 7772 77 7 7 3 ALL METAL SENS DISC DISC DISC 7. CS200 12 TEL 4 12 1 TEL 03 5377 3838 CS200 1 ALL METAL DISC NOTCH SENS or DISC NOTCH 1 2 3 8. 2 5cm 4 5 1 2 9V 2 1