
Product Description
__ General Information
|
Manufacturer |
Bently Nevada |
|---|---|
|
Model/Part Number |
190501-12-00-01 |
|
Description |
Velomitor CT Velocity Transducer |
_
__ Description
The_Velomitor CT Velocity Transducer_is a low-frequency version of the standard_Velomitor Piezo-velocity Sensor. It is specifically designed for measuring casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies that operate at or above_90 rpm_(typically between_100 to 300 rpm).
_
__ Electrical Specifications
|
Attribute |
Value |
|---|---|
|
Sensitivity |
3.94 mV/mm/s (100 mV/in/s) ±5% |
|
Frequency Response |
3.0 Hz to 900 Hz (±1.0 dB), 1.5 Hz to 1.0 kHz (±3.0 dB) |
|
Temperature Sensitivity |
-8% to +5% typical over the operating temperature range |
|
Velocity Range |
63.5 mm/s pk (2.5 in/s pk) |
|
Transverse Response |
<5% of the axial sensitivity |
|
Amplitude Linearity |
±2% to 63.5 mm/s pk (2.5 in/s pk) |
|
Mounted Resonant Frequency |
9 kHz minimum (stud-mounted, except quick disconnect) |
|
Output Bias Voltage |
10.1 Vdc ±1.0 Vdc, Pin A referenced to Pin B |
|
Dynamic Output Impedance |
<400 Ω typical |
|
Broadband Noise Floor (1.5 Hz to 1 kHz) |
0.229 mm/s (0.009 in/s) pk |
|
Base Strain Sensitivity |
0.43 mm/s/μstrain (0.017 in/s/μstrain) |
|
Grounding |
Internal electronics are isolated from the case |
|
Maximum Cable Length |
305 meters (1,000 feet) with no signal degradation |
_
__ Environmental Limits
|
Specification |
Value |
|---|---|
|
Operating Temperature |
-40°C to +85°C (-40°F to +185°F) |
|
Storage Temperature |
-40°C to +100°C (-40°F to +212°F) |
|
Shock Limit |
5000 g peak, maximum |
|
Humidity Limit |
100% condensing, non-submerged |
|
Magnetic Field Susceptibility |
<0.0068 mm/s/gauss (0.268 mil/s/gauss) @ 50 gauss, 50-60Hz |
_
__ Mechanical Specifications
|
Attribute |
Value |
|---|---|
|
Weight |
<297 g (10.5 oz.), typical |
|
Mounting Surface Diameter |
33 mm (1.3 in) |
|
Height |
82 mm (3.2 in) |
|
Case Material |
316L Stainless Steel |
|
Connector Type |
2-pin MIL-C-5015, 316L stainless steel (top-mounted) |
|
Mounting Torque |
4.5 N·m ± 0.6 N·m (40 in-lbf ± 5 in-lbf) |
_
__ Ordering Information
|
Model Number |
Description |
|---|---|
|
190501 |
Velomitor CT Velocity Transducer |
Customization Options
A: Mounting Hardware Option
|
Code |
Description |
|---|---|
|
00 |
No stud |
|
01 |
Stud 3/8-in 24 to 3/8-in 24 |
|
02 |
Stud 3/8-in 24 to 1/2-in 20 |
|
03 |
Adhesive Stud 3/8-in 24 |
|
04 |
Stud M6x1 with 3/8-in 24 adapter |
|
05 |
Adhesive Stud M6x1 with 3/8-24 adapter |
|
06 |
Stud 3/8-in 24 to 1/4-in 28 |
|
07-12 |
Various plate stud mounting options |
|
13 |
Quick disconnect stud |
|
14-24 |
Various adapter options (e.g., NPT thread sizes) |
B: Connection Option
|
Code |
Description |
|---|---|
|
00 |
MIL-C-5015 connection interface |
|
99 |
Unit with included 32-foot cable |
C: Agency Approval Option
|
Code |
Description |
|---|---|
|
00 |
No Approvals |
|
01-04 |
CSA/NRTL/C, ATEX/IECEx/CSA (Class I, Division 1, Zone 0/1) |
_
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