Bently Nevada 74712-06-05-03-00 Seismoprobe Velocity Transducers Dual Probe Transducer
Brand Name:BENTLY NEVADA
Certification:ROHS
Model Number:74712-06-05-03-00
Minimum Order Quantity:1
Delivery Time:on request
Payment Terms:T/T
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Description Bently Nevada Seismoprobe Velocity Transducer Systems
are designed to measure absolute (relative to free space) bearing
housing, casing, or structural vibration. The two-wire systems
consist of a transducer and appropriate cable. The Seismoprobe
family of velocity transducers is a two-wire design that uses
moving-coil technology. It provides a voltage output directly
proportional to the transducer's vibration velocity. Moving-coil
transducers are less sensitive to impact or impulsive excitation
than solid-state velocity transducers, which are inherently
accelerometers with embedded integration electronics. Moving-coil
transducers are less sensitive to impact or impulsive excitation
and can represent a good choice for certain applications. Because
they don’t require external power, they are convenient for portable
measurement applications.
74712: The 74712 is a high temperature version of the 9200.
Specifications Specifications are at approximately +22°C (+72°F)
with 25 mm/s (1 in/s) of machine casing vibration at 100 Hz (6000
cpm) with a 10 kΩ load unless otherwise specified.
Electrical Sensitivity 20 mV/mm/s (500 mV/in/s), ±5% when properly
terminated and oriented at the angle of calibration. Calibration
Load 10 kΩ Terminal "A" to "B" Output taken across pins "A" and "B"
Sensitivity Temperature Coefficient 0.2%/°C Frequency Response -
See Theoretical Velocity Seismoprobe Frequency Response on page 10.
4.5 to 1000 Hz (270 to 60,000 CPM); +0, -3dB typical. 10 to 1000 Hz
(600 to 60,000 CAM); +0, -3dB typical. 15 to 1000 Hz (900 to 60,000
CPM); +0, -3dB typical.
Frequency response From minimum operating frequency (see Ordering
Information) to 1 kHz (60,000 cpm); +0, -3dB typical. Please
contact Bently Nevada for detailed calibration data.
Dynamic operating range 2.54 mm (0.100 in) peak to peak maximum
displacement. Velocity Range 25 mm/s (1 in/s) (at +22 °C of casing
vibration at 100 Hz with a 10 kΩ load. Coil Resistance 1.25 kΩ ±5%
Locked Coil Inductance 125 mH, typical Amplitude Linearity ±5% from
0.01 to 5.0 in/s (0.254 to 127 mm/s) at 100Hz (6000CPM)
Shock resistance Withstands 50 g peak maximum acceleration along
non-sensitive axis. Transverse sensitivity ±10% maximum of the
sensitive axis sensitivity at 100 Hz and 1.0 in/s (2.54 cm/s)
Polarity of output signal Pin A goes positive with respect to Pin B
when the transducer case velocity is towards the connector. Lead
wire length 305 meters (1,000 feet) maximum between Seismoprobe
Velocity Transducer and 3300 or 3500 Monitor. Consult manual for
frequency roll-off at longer lengths.
The use of the product:
1. Oil and Gas;
2. Petrochemical;
3. Municipal Engineering.
Related Product Recommendation:
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Our Advantage:
Best possible prices and delivery time
Long time experience in the field
Well trained staff
Own warehouse facilities
Best relationships with branch office of manufacture
Flexible and individual service for you
Cheap and safe forwarder for shipments (air)
Frequently Asked Questions:
1. Q: Does your goods are new and original?
A: Yes, they are new and original.
- Q: How long warranty?
A:One-year warranty.
- Q: Does any certificates can be provided?
A: Yes, it depends on what product you request, please check details with our sales.
Bently Nevada 74712-06-05-03-00 Seismoprobe Velocity Transducers Dual Probe Transducer
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