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Thyratron Data
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Charts
Station
21-51
S/N
4722
Currently Installed Thyratron at 21-51
Edit
Station
S/N
Model
Installed Date
In HVRTM
In Res V
Install Notes
Current Hv Hrs
Thy Rem
21-51
4722
CX1937AX
18-MAR-2025
87329
6.3
9,718
N
1 - 1
Install History for Thyratron 4722
Edit
Station
S/N
Model
Installed Date
Removal Date
In HVRTM
Rem HVRTM
Total HVRTM
Install Notes
Removal Reason
Removal Notes
In Res V
Rem Res V
CATER
21-51
4722
CX1937AX
18-MAR-2025
87329
6.3
1 - 1
Previous Thyratrons installed at 21-51
Edit
Station
S/N
Model
Installed Date
Removal Date
In HVRTM
Rem HVRTM
Total HVRTM
Install Notes
Removal Reason
Removal Notes
In Res V
Rem Res V
CATER
21-51
300298
L4888
23-AUG-2023
18-MAR-2025
77883.9
87329
9445.1
Other (see notes)
Upgraded to E2V deuterium
3.55
3.55
173692
21-51
300255
L4888
10-JAN-2022
23-AUG-2023
70844.7
77858.6
7013.9
Unstable performance
3.5
6
164834
21-51
101209
L4888
29-OCT-2015
10-JAN-2022
39714
70844.7
31130.7
Other (see notes)
Filament shorted.
3.4
5.3
154492
21-51
101106
L4888
28-OCT-2014
29-OCT-2015
32572
39714
7142
Unstable performance
3.84
6.5
128115
21-51
100992
L4888
12-OCT-2013
28-OCT-2014
25074
32572
7498
Unstable performance
3.75
10
120514
21-51
375
F310
24-JAN-2013
12-OCT-2013
20057
25074
5017
Unstable performance
"Constant HVOC's & CB7 trips after ranging to 5.25VAC. Tried numerous lower res volts settings, still HVOCs"
6.5
5.25
111688
21-51
100848
L4888
01-OCT-2012
24-JAN-2013
17855
20057
2202
Reservoir open
"Removed for will not range with Vres > 10V"
4
10
104269
21-51
100241
L4888
10-OCT-2011
01-OCT-2012
11413
17855
6442
Reservoir open
:Vres @ 11.5 station in lo limit"
11.5
102940
21-51
100347
11-NOV-2011
11413
Hi Vres >6.5V no note where replacement from.
21-51
100198
L4888
22-JAN-1998
09-JAN-2002
16882
21-51
1227
CX1836A
03-MAY-1993
19-MAR-1998
7084
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