Horizontal execution
9200-03-02-02-00 holds the sensitive axis at 90° within ±2.5°.
9200Bently Nevada
Bently Nevada 9200-03-02-02-00 / 9200-01-02-02-00 Seismoprobe Velocity Transducers
Horizontal and vertical executions4.5 Hz lower limit1/4-28 circular base
01
Product Description
The Bently Nevada 9200-03-02-02-00 and 9200-01-02-02-00 are two-wire Seismoprobe velocity transducers that share a circular 1/4-28 UNF base, a side-mounted connector and a 4.5 Hz lower response. Their primary catalog difference is the calibrated direction of the internal moving-coil mechanism.
Horizontal casing motion is measured by 9200-03-02-02-00 at 90° ±2.5°, whereas 9200-01-02-02-00 is the 0° ±2.5° vertical execution. Both produce 20 mV/mm/s across a 10 kΩ load and can feed compatible machinery monitors over a shielded two-wire path.
02
Technical Specifications
| Technical Item | 9200-03-02-02-00 | 9200-01-02-02-00 |
|---|---|---|
| Brand | Bently Nevada | Bently Nevada |
| Product Type | Seismoprobe velocity transducer | Seismoprobe velocity transducer |
| Product Origin | USA | USA |
| Product Family | 9200 two-wire transducer | 9200 two-wire transducer |
| Mounting Angle | 90° ±2.5° | 0° ±2.5° |
| Minimum Operating Frequency | 4.5 Hz (270 cpm) | 4.5 Hz (270 cpm) |
| Upper Frequency | 1 kHz (60,000 cpm), +0/−3 dB typical | 1 kHz (60,000 cpm), +0/−3 dB typical |
| Connector / Cable | 02 — side mount, no cable | 02 — side mount, no cable |
| Mounting Base | 02 — circular base with 1/4-28 UNF stud | 02 — circular base with 1/4-28 UNF stud |
| Agency Approval | 00 — no approvals | 00 — no approvals |
| Sensitivity | 20 mV/mm/s (500 mV/in/s), ±5% | 20 mV/mm/s (500 mV/in/s), ±5% |
| Calibration Load | 10 kΩ across pins A and B | 10 kΩ across pins A and B |
| Maximum Lead Length | 305 m (1,000 ft) to compatible monitor | 305 m (1,000 ft) to compatible monitor |
| Dynamic Displacement Range | 2.54 mm (0.100 in) peak-to-peak maximum | 2.54 mm (0.100 in) peak-to-peak maximum |
| Coil Resistance | 1.25 kΩ ±5% | 1.25 kΩ ±5% |
| Operating / Storage Temperature | −29…+121 °C (−20…+250 °F) | −29…+121 °C (−20…+250 °F) |
| Relative Humidity | To 95% noncondensing | To 95% noncondensing |
| Typical Dimensions | 102 mm high × 41 mm diameter | 102 mm high × 41 mm diameter |
| Typical Weight | 300 g (10.5 oz) | 300 g (10.5 oz) |
03
Operating Comparison — Horizontal and Vertical Response
The shared Seismoprobe hardware is calibrated in two orientations so the sensitive axis follows the intended direction of machine-casing motion.
Vertical execution
9200-01-02-02-00 holds the moving-coil mechanism at 0° within ±2.5°.
Common response band
Both executions begin at 4.5 Hz and approach the shared upper-response region near 1 kHz.
04
Monitoring Integration — Shared Two-wire Interface
Both 9200 models connect to the monitor through the same side connector, polarity convention and load condition.
Signal polarity
Pin A becomes positive relative to Pin B when case velocity moves toward the connector.
Monitor load
The stated 20 mV/mm/s sensitivity is calibrated across a 10 kΩ load.
Cable route
A shielded two-wire run can extend to 305 m, with actual cable capacitance considered for high-frequency response.
05
Frequently Asked Questions
Which direction does 9200-03-02-02-00 measure?
It is the 90° ±2.5° horizontal execution.
What installation orientation belongs to 9200-01-02-02-00?
It is the 0° ±2.5° vertical execution.
Can 9200-03-02-02-00 replace 9200-01-02-02-00 without remounting?
No. Their calibrated orientations differ even though the base and connector options match.
Why does 9200-01-02-02-00 lose low-frequency response after tilting?
Its moving-coil mechanism must remain within the ±2.5° tolerance around vertical.
What cable is required by 9200-03-02-02-00?
Connector option 02 supplies no integral cable, so a compatible shielded two-wire interconnect is selected separately.
What base fault lowers output from either 9200-03-02-02-00 or 9200-01-02-02-00?
A loose or uneven 1/4-28 circular-base interface attenuates casing motion before it reaches the sensor.
06
Service Support
Catalog clarification, availability review, packing coordination and order follow-up are kept together throughout the supply process.
Catalog verificationThe full model and suffix stay visible.
Original productsIndustrial components are supplied with traceable identification.
One-year warrantyCoverage remains linked to the order record.
Global deliveryExport packing and tracking are coordinated.
07
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