Model
|
A
|
B
|
C
|
D
|
E
|
Comments
|
A11-50-270
|
11
|
50
|
350
|
270
|
100
|
Highly recommended (1) (2)
|
A13-50-270
|
13
|
50
|
350
|
270
|
100
|
Large re-entrant tube (1)
|
B8-30-130
|
8
|
30
|
160
|
130
|
0
|
Slim Cell - Fits Isotech Dry Blocks
|
B12-40-210
|
12
|
40
|
290
|
210
|
75
|
Replacement for NPL, UK Type 32 Cells
|
B12-46-210
|
12
|
46
|
290
|
210
|
75
|
Recommended for Isotech Oceanus
|
B11-50-270
|
11
|
50
|
350
|
270
|
100
|
Highly recommended (1) (2)
|
B11-65-270
|
11
|
65
|
350
|
270
|
100
|
NRCC's favourite Cell (1) (2)
|
B13-65-270
|
13
|
65
|
350
|
270
|
100
|
Large re-entrant tube (1)
|
B16-65-270
|
16
|
65
|
350
|
270
|
100
|
Larger re-entrant tube (1)
|
(1) Isotopic Analysis is available.
(2) Available in Quartz Glass.