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BENTLY NEVADA 74712-07-02-04-04 Seismoprobe Velocity Transducer with Two-Wire Technology for High Temperature Range and Portable Measurements

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BENTLY NEVADA 74712-07-02-04-04 Seismoprobe Velocity Transducer with Two-Wire Technology for High Temperature Range and Portable Measurements

9200 & 74712 Seismoprobe Velocity Transducer

Our Seismoprobe Velocity Transducer Systems measure bearing housing, casing and structural vibration.

These two-wire transducers use moving-coil technology to provide a voltage output that is directly proportional to the transducer's vibration velocity. Moving-coil transducers are less sensitive to impact excitation than integrating accelerometers and can be appropriate for certain applications.

The 9200 and 74712 sensors offer convenience when taking portable measurements as neither device requires external power.

Product Features
  • 9200 sensor qualified for range from -29°C to +121° C (-20 °F to +250°F). 74712 high temperature sensor qualified for range of -29°C to +204°C (-20°F to +400°F).
  • Both 9200 and 74712 offer 20 mV/mm/s (500 mV/in/s), ±5% when properly terminated and oriented at the angle of calibration. Transverse sensitivity is 10% or less of axial sensitivity. Both sensors withstand mechanical shocks up to 50 g peak along the non-sensitive transverse axis.
  • Ranges from a minimum operating frequency of 4.5, 10 or 15 Hz to a maximum of 1 kHz (60,000 cpm); +0, -3dB typical.

Mechanical

Case and Adapter Material
Anodized aluminum A204

Gasket Material
9200: Neoprene
74712: Silicone

Connector Material Top and Side Mount Options
Cadmium-plated aluminum, neoprene, and silver-plated copper

Terminal Block Option
Polyphenylene Sulfide with nickel-plated copper contacts.

Mounting Torque 1/2-20, 1/4-20, 1/4-28, 5/8-18, or M10X1 mounting base options:
5.6 N•m (50 in•lb)

8-32 threaded studs
1.41 N•m (12.5 in•lb)

Physical

Height
102 mm (4 in) typical (depending on connector option).
Diameter 41 mm (1.6 in) typical.

Weight
9200 = 300 grams (10.5 ounces) typical.
74712 = 480 grams (17 ounces) typical.

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