Selection
- Do not replace XX with 50 or 70 unless the unit nameplate or MOD documentation confirms the system length.
- Verify the connected probe and extension-cable labels together with the transmitter reference.
Item NO.:
990-04-XX-01-CNOrder(MOQ):
1Goods Stock:
10Payment:
T/TLead Time:
In stockWeight:
1.02KGDimension:
10.5x7.5x5.2cmDescription:
VIBRATION TRANSMITTERPrice:
AskLoop-powered 990 vibration transmitter with the 0-4 mil pp range, 35 mm DIN-rail clips and the CN country-specific approval option; the XX system-length field must be confirmed.
990-04-XX-01-CN is a Bently Nevada 990 two-wire, loop-powered vibration transmitter that converts a compatible proximity-transducer signal to a proportional 4-20 mA output.
Code 04 identifies the 0-4 mil pp / 0-100 micrometre pp full-scale range, code 01 identifies 35 mm DIN-rail clips, and CN is a China country-specific hazardous-area ordering option rather than a country-of-origin code.
The public 990 ordering table defines system-length codes 50 and 70 but does not define XX. The connected probe, extension cable, system length and any MOD record must therefore be confirmed from the supplied unit before selection.
Yes, as a two-wire 4-20 mA loop device, provided the loop supply, polarity and load meet the transmitter requirements. Machinery alarming and control logic remain responsibilities of the receiving control system.
That level represents a NOT OK or signal-defeat condition rather than normal vibration. Allow the documented two-to-three-second power-up interval, then review loop power, polarity, probe condition, connection security and the complete proximity-transducer path.
The loop signal carries the proportional peak-to-peak vibration value, but it does not preserve the dynamic waveform needed for detailed diagnosis. Use the PROX OUT signal with battery-powered or properly isolated test equipment for waveform analysis.
The transmitter includes a TEST input for applying a function-generator signal and checking the resulting loop output. Follow the manufacturer procedure and keep the test setup electrically compatible with the two-wire loop.
The public ordering table does not define XX, so that substitution would be an unsupported assumption. Obtain the supplied-unit nameplate and any MOD documentation before selecting a probe, extension cable or replacement transmitter.
CN is a country-specific hazardous-area ordering option, not a manufacturing-origin statement. Acceptance should be based on the actual markings and certificate scope of the supplied transmitter together with the site's area classification.
The transmitter supplies a vibration loop signal and NOT OK behavior, but functions such as gap alarms, phase alarms, Danger Bypass and Trip Multiply are not provided through the 4-20 mA output. Confirm that the receiving control system covers the required protection logic.
The supplied product is covered for 12 months under ApterPLC sales terms. Retain the complete product label, original packaging and transaction record so the exact unit can be identified quickly if warranty support is needed.
Share a clear product label and the document type you need. Our team will compare the available manufacturer material and help identify the most relevant file for this exact configuration.
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