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The DJB piezo-electric accelerometers
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DJB is patentor of the “konic” accelerometer,
based on a piezo-electric element in the form of a truncated hollow cone. This method
offers advantages such as a better reliability, and gives a higher sensitivity in a
smaller unit when compared with a compressive type.
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Piezo-ceramic shear plate technology is also now used since
offering even higher miniaturisation advantages, and sensitivity enhancement by virtue of
parallel plate construction.
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Piezo-tronic accelerometers integrate charge/voltage
converter and are energised from a constant current source, they generate a low impedance,
noise immune voltage output.
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Industrial, high temperature, pressure tested and
Intrinsically safe accelerometers are available.
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These transducers can be periodically checked by a DJB
recalibration service
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Lower weight titanium versions can be supplied.
Mono-axial charge output accelerometers
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 |
 |
| A/20, A/20/T, A/20/TC |
A/28/E |
A/800 |
|
Type |
Sensitivity |
Weight
(gm) |
Resonant
Frequency
(KHz) |
Temperature Range
min/max °C |
Connector
M : Microdot
T :TNC |
Mounting
A : M5
B : 10-32 UNF
C : 1/4 UNF |
A/28/E
 |
0.3/0.6 pC/g |
0.25 |
45 |
-50/+200 |
L8 side entry |
adhesive |
A/25/E
|
1.3/2.4 pC/g |
1.5 |
60 |
-50/+220 |
L5 side entry |
adhesive |
A/23/E
|
5/9 pC/g |
4.2 |
50 |
-50/+250 |
M side entry |
adhesive |
A/23/TE
|
5/9 pC/g |
4.5 |
50 |
-50/+250 |
M top entry |
adhesive |
A/23/S
|
5/9 pC/g |
4.7 |
50 |
-50/+250 |
M side entry |
integral stud A |
A/23/TS
|
5/9 pC/g |
5 |
50 |
-50/+250 |
M top entry |
integral stud A |
A/23/SIT
|
5/9 pC/g |
8.3 |
30 |
-50/+250 |
isolated M top
entry |
integral stud A |
A/23/IT
|
5/9 pC/g |
8 |
50 |
-50/+250 |
isolated M top
entry |
adhesive |
A/23/SI
|
5/9 pC/g |
10 |
30 |
-50/+250 |
isolated M side
entry |
integral stud B |
A/26/E
|
8/12 pC/g |
6.7 |
50 |
-50/+250 |
M side entry |
adhesive |
A/26/S
|
8/12 pC/g |
7 |
50 |
-50/+250 |
M side entry |
integral stud A |
A/22
|
18/28 pC/g |
12 |
20 |
-50/+250 |
M side entry |
through hole |
A/20
|
25/38 pC/g |
17 |
28 |
-50/+250 |
M side entry |
tapped base B |
A/20/T
|
25/38 pC/g |
17 |
28 |
-50/+250 |
M top entry |
tapped base B |
A/20/TC
|
25/38 pC/g |
27 |
23 |
-50/+250 |
T top entry |
tapped base B |
A/29
|
100 pC/g |
46 |
22 |
-50/+250 |
M side entry |
tapped base B |
A/29/T
|
100 pC/g |
46 |
22 |
-50/+250 |
M top entry |
tapped base B |
A/29/TC
|
100 pC/g |
50 |
20 |
-50/+250 |
T top entry |
tapped base B |
A/21
|
270/400 pC/g |
95 |
10 |
-50/+250 |
M side entry |
tapped base B |
A/21/T
|
270/400 pC/g |
95 |
10 |
-50/+250 |
M top entry |
tapped base B |
A/21/TC
|
270/400 pC/g |
102 |
10 |
-50/+250 |
T top entry |
tapped base B |
A/600
|
800/1300 pC/g |
110 |
8 |
-50/+250 |
M side entry |
tapped base B |
A/600/T
|
800/1300 pC/g |
110 |
8 |
-50/+250 |
M top entry |
tapped base B |
A/600/TC
|
800/1300 pC/g |
117 |
8 |
-50/+250 |
T top entry |
tapped base B |
A/800
|
6000/9000 pC/g |
400 |
4 |
-50/+250 |
M side entry |
tapped base C |
A/800/T
|
6000/9000 pC/g |
400 |
4 |
-50/+250 |
M top entry |
tapped base C |
A/800/TC
|
6000/9000 pC/g |
407 |
4 |
-50/+250 |
T top entry |
tapped base C |
Further comprehensive details,
specifications regarding our products can be supplied on request.
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