![](../img/smoke_setup2.jpg)
The setup; note that speakers are necessary
to hear the click associated with counts
(Jeff has the speakers!) |
![](../img/smoke_claw.jpg)
3-prong beaker clamp, a.k.a. The Claw |
![](../img/smoke_monitor.jpg)
The radiation monitor is held by the claw;
note RJ-11 cable connected to side
|
![](../img/smoke_metal.jpg)
Sort metal pieces into piles, place on
front bench
|
![](../img/smoke_serial1.jpg)
Connect 8-pin serial adapter to COM1;
connect RJ-11 cable |
![](../img/smoke_serial2.jpg)
If necessary, use 8-pin to 25-pin adapter |
The
following demo is set up on the right front bench: |
![Setup](../img/rad_setup.jpg)
The demo setup
|
![Scope trace](../img/rad_trace.jpg)
The scope trace
|
![Counter](../img/rad_counter.jpg)
The Geiger counter in action |
![Counter connection](../img/rad_connection2.jpg)
Connections on back of counter:
Middle wire to Geiger Tube
Bottom wire to Oscilloscope
Gray wire to Timer
Brown wire to 120V AC |
![Oscilloscope](../img/rad_scope2.jpg)
See-thru oscilloscope |
![Scope connection](../img/rad_connection.jpg)
Connection from counter |
![Geiger tube](../img/rad_tube2.jpg)
Geiger tube with Radium source
(in small oval containers: Watson has them!) |
![Geiger tube](../img/rad_tube1.jpg)
Geiger tube in stand over source |
![Counter](../img/rad_voltage.jpg)
High voltage gets set to 1000 volts |
![Timer (with Jeff's thumb)](../img/rad_timer.jpg)
Turn timer on, or counter won't work! |