3300/47 Bently Nevada Differential Expansion Monitor
3300/47
3300/47 is a Bently Nevada complementary-input differential-expansion monitor that uses two proximity probes around a rotor collar to extend measurement range. The inventory record lacks the ordering suffix, so transducer, range, relay and approval options must remain unspecified.
Scope note: 3300/47 identifies the documented component or assembly. Family-level content only; no LVDT claims and no option-specific range claim.
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+86 18150117685Complementary-input differential-expansion monitor
3300/47 is a Bently Nevada complementary-input differential-expansion monitor that uses two proximity probes around a rotor collar to extend measurement range. The inventory record lacks the ordering suffix, so transducer, range, relay and approval options must remain unspecified.
Family-level content only; no LVDT claims and no option-specific range claim.
Obsolete 3300 platform; OEM obsolete classification March 2014. Confirm current availability, repair options and any replacement path directly with the manufacturer before ordering 3300/47.
| Model | 3300/47 family; ordering suffix not recorded |
|---|---|
| Manufacturer | Bently Nevada |
| Series | 3300 Monitoring System |
| Product type | Complementary-input differential-expansion monitor |
| Measurement principle | Two proximity probes observe a rotor collar in a complementary arrangement |
| Measurement benefit | Supports a range up to twice the linear range of a single compatible transducer |
| Indication | LCD indication of differential-expansion magnitude and direction |
| Alarm setpoints | Four: two over-range and two under-range setpoints |
| Recorder outputs | +4 to +20 mA, 0 to -10 Vdc, or +1 to +5 Vdc; field-programmable at family level |
| Lifecycle | Obsolete 3300 platform; OEM obsolete classification March 2014 |
| OEM document | 141509-01 Rev. F |
| Official document | 3300/47 Complementary Input Differential Expansion Monitor, document 141509-01 Rev. F |
Lifecycle and compatibility statements are limited to the cited manufacturer documentation. Availability, condition, repairability and substitution must be confirmed separately.
3300/47 is a legacy Bently Nevada 3300-series complementary-input differential-expansion monitor.
3300/47 provides one differential-expansion measurement derived from two complementary proximity-probe inputs.
3300/47 supports two compatible proximity transducer signals arranged on opposite sides of a rotor collar.
3300/47 provides magnitude and direction indication, four alarm setpoints and a selectable analog recorder output.
3300/47 belongs to the 3300 monitoring system, which Bently Nevada classified as obsolete in March 2014; limited repairs were possible only through 2017.
3300/47 should not be selected from the base model alone. The inventory value 3300/47 omits range, transducer, relay and approval options, so option-specific data must come from the unit nameplate.
Before installing or replacing 3300/47, verify the complete nameplate number, rack generation, input transducer, relay module, barriers, approvals and field wiring. Confirm probe geometry and transducer family before applying any range claim to 3300/47.
3300/47 is covered at family level by Bently Nevada document 141509-01 Rev. F.
Send the complete component and matching system part numbers, required electrical length, quantity, target material, approval requirements, destination and clear label photos. Availability and condition will be confirmed before quotation.
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