 The Endevco Model 25A ISOMIN™ is an extremely small,
adhesive mounted piezoelectric accelerometer with integral
electronics, designed specifically for measuring vibration
on very small objects. The unit weighs only 0.2 gm, reducing
unwanted mass loading effects. The unit comes with two
pre-attached fine gauge (34 AWG) wires as output leads.
These leads can be easily replaced in the field, or a
new lead assembly may be reinstalled at the factory. A
heavier gauge (28 AWG) cable is also provided for extension
purpose. The Model 25A is ideal for measuring vibration
in scaled models, small electronic components and biomedical
research. An optional triaxial mounting block (Model 2950M16)
is available for setting up three-axis measurement.
The Model 25A features Endevco's Piezite® Type sensing
element operating in shear mode. The internal electronics
inside the accelerometer converts high impedance input
into low impedance voltage output through the same cable
that supplies the required 4 mA constant current power.
Signal ground is isolated from the mounting surface of
the unit by a hard anodized surface. A removal tool is
included for proper removal in the field.
Endevco Signal Conditioner Models 133, 4416B, 2792B, 2793,
2775A (set to 4 mA +/-0.5 mA), are recommended for use
with this accelerometer.
Features:
• Low impedance output
• World's smallest ISOTRON
• Light weight (0.2 gm)
• Flexible, replaceable cable
• Ground isolated
Endevco Model 25A
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