PASCO SE-9638 e-m APPARATUS - Manual (Page 10)

5
012-03471E e/m Apparatus
®
Voltmeter
(0-300 VDC)
DC Ammeter
(0-2 A)
Power Supply
(6-9 VDC,
ripple < 1%)
Current Adjust
for Helmholtz Coils
Helmholtz Coils
Heater
Grid
Anode
Deflection
Plates e/m Tube
Cathode
Power
Supply
Heater
Voltage
150-300 VDC
Focus Adjust
Variable
Resistor
Slide/Toggle Switch
(e/m MEASURE ⁄ELECTRICAL DEFLECT)
+ - + +
- -
- +
+
Upper
Lower
+ +
- -
-
BLK
BLK
WHT
YEL
BLK
ORG
ORG
WHT
RED
ORG
15K
15W
5K
5 ý
BLK
BLK
BLU
pin 1
pin 2
pin 6
pin 10
YEL
pin 12
pin 11
Diagram of Connections for the
SE-9638 e/m Apparatus