01-999124-00 J 0606
Dual and Dual Broadband NMR Probes Installation
7
Sample Tube Specification
Tuning Ranges for 200-MHz Dual And Dual Broadband Probes
Tuning Ranges for 300-MHz Dual And Dual Broadband Probes
Tuning Ranges for 400-MHz Dual And Dual Broadband Probes
Tuning Ranges for 500-MHz Switchable Probes
Sample Tube Specification
Tests are performed with the following sample tubes:
• 5-mm probes: 5-mm tubes with 0.38-mm wall (Wilmad 528-PP, or equivalent).
• Using sample tubes with thinner wall thickness (e.g., Wilmad 5-mm 545-PPT, or
equivalent) increases signal-to-noise.
Capacitor Stick
(pF)
Range
(MHz)
Capacitor Stick
(pF)
Range
(MHz)
none
43–83
36
25–28
11
34–45
50
22–24
19
30–37
66
19.5–22
27
27–31
Capacitor Stick
(pF)
Range
(MHz)
Capacitor Stick
(pF)
Range
(MHz)
none
55–125
30
32–36
11
42–57
36
30–33
23
35–42
40
28–31
Capacitor Stick
(pF)
Range
(MHz)
Capacitor Stick
(pF)
Range
(MHz)
none
85–165
33
47–52
9
66–88
36
44–48
17
57–67
43
42–45
26
51–58
48
39.5–42
Capacitor Stick
(pF)
Range
(MHz)
Inductor Stick
(turns)
Range
(MHz)
none
88–180 (
13
C)
13
180–202 (
31
P)
7
67–88
14
59–67
21
53–59
27
50–53 (
15
N)
