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        330750-80-05

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Bently Nevada 330750-80-05 is a Bently Nevada 330750 high-temperature Velomitor system with an 8 m integral hardline cable and CSA, ATEX and IECEx approvals.
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        Ships by Monday, October 26
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 330750-80-05

        • Manufacturer:
          Bently Nevada
        • Part Number:
          330750-80-05
        • Product Family:
          330750 / 330752 High Temperature Velomitor System
        • Product Type:
          High-Temperature Velomitor System with 8 m Integral Cable and Multiple Approvals
        • Stock:
          1
        • Integral cable length:
          8 m
        • Approvals:
          CSA, ATEX and IECEx
        • Sensitivity:
          5.7 mV/mm/s (145 mV/in/s), ±5%
        • Frequency response:
          15 to 2000 Hz, ±3 dB
        • Precision frequency band:
          20 to 1000 Hz, ±0.9 dB
        • Maximum amplitude below 680 Hz:
          635 mm/s peak
        • Maximum acceleration above 680 Hz:
          2940 m/s² peak
        • Linearity:
          ±2% to 152 mm/s peak
        • Bias voltage:
          -12 ±2 VDC
        • Sensor head temperature:
          -55 to 400°C
        • Integral hardline temperature:
          -55 to 400°C
        • Electronics temperature:
          -55 to 121°C
        • Shock survivability:
          2500 g peak
        • Humidity:
          Up to 100%, non-submerged; hermetically sealed
        • Minimum bend radius:
          51 mm
        • Recommended maximum field cable:
          219 m under documented conditions
        • Weight:
          1.111 kg
        • Estimated shipping dimensions:
          Sensor head: 3.17 × 3.17 × 2.2 cm; electronics: 15.21 cm long × 3.34 cm diameter; integral cable: 800 cm
        • Tariff Code:
          9031809090
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen, Fujian, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Thermal Installation Signal & Scaling Mechanical Checks Application
        • Mount the sensing head only within the documented surface-temperature range
        • Configure the monitor for the documented velocity sensitivity
        • Protect the hardline cable and observe the minimum bend radius

        Bently Nevada 330750-80-05 is a Bently Nevada 330750 high-temperature Velomitor system with an 8 m integral hardline cable and CSA, ATEX and IECEx approvals.

        Its separated sensing head and signal-conditioning electronics measure machinery casing vibration where the mounting surface can reach 400°C while the electronics remain in a cooler location.

        Before installation or replacement, verify the 8 m thermal separation distance, serial-number temperature capability, mounting surface, cable routing and bend radius, electronics ambient, approval drawings, monitor input, polarity and vibration scaling.

        Availability, condition, price, and shipping time for 330750-80-05 are confirmed during quotation.

        Bently Nevada 330750-80-05 Manuals, Datasheets, Links

        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        • Mount the sensing head only within the documented surface-temperature range
        • Place the electronics where ambient temperature remains within its lower limit
        • Use the 8 m integral cable to maintain thermal separation without field connectors
        • Configure the monitor for the documented velocity sensitivity
        • Verify polarity from base-to-top motion before alarm testing
        • Keep field wiring and loading within the datasheet requirements
        • Protect the hardline cable and observe the minimum bend radius
        • Confirm mounting torque, surface flatness and orientation
        • Trend bias voltage and baseline vibration before returning the machine to service
        • Monitoring gas- or steam-turbine casing vibration at high-temperature locations
        • Measuring velocity on hot compressor, exhaust-frame or process-machinery surfaces
        • Keeping signal-conditioning electronics outside the hottest machine zone
        Description
        330750-80-05 is a Bently Nevada high-temperature Velomitor system with a separate sensing head, signal-conditioning electronics and an 800 cm integral hardline cable.

        The sensor head measures 3.17 × 3.17 × 2.2 cm, the electronics measure 15.21 cm long × 3.34 cm diameter, and the complete configured unit weighs 1.111 kg.

        Before installation or replacement, verify the cable route and bend radius, sensor and electronics temperature limits, mounting surface, monitor input, polarity, sensitivity and applicable approval drawings.
        Alternative Names
        330750-80-05 3307508005 330750 80 05 Bently Nevada 330750-80-05 BN 330750-80-05
        Technical notes
        Bently Nevada 330750-80-05 is a permanently connected high-temperature velocity system. The sensing head may reach 400°C, but the separated electronics must remain within its much lower temperature limit.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        How can a buyer confirm that Bently Nevada 330750-80-05 is the 400°C version?
        Check the unit’s serial number rather than relying only on the order code. Bently Nevada states that the serial numbers of current versions rated for sensing-head and integral-cable temperatures up to 400°C begin with the letter “G.” Earlier units without this identifier were limited to 300°C.
        Why are the sensing head and electronics separated on Bently Nevada 330750-80-05?
        The arrangement lets the piezo-velocity sensing head operate on surfaces up to 400°C while the signal-conditioning electronics remain below 121°C, avoiding a connector at the hottest point.
        Can the 8 m integral cable on Bently Nevada 330750-80-05 be shortened or replaced in the field?
        No field modification should be assumed. The sensing head, hardline cable and electronics are a permanently connected calibrated assembly; damage or unsuitable length requires an approved complete replacement.
        What should be checked when Bently Nevada 330750-80-05 reports an abnormal output bias voltage?
        First compare the measured output bias with the documented -12 ±2 VDC range. If it is outside this range, check the power supply, monitor input, field-cable polarity, connector moisture, grounding, electronics temperature, integral-cable damage, mounting integrity and excessive vibration before concluding that the sensing element has failed.
        How should the cable of Bently Nevada 330750-80-05 be routed near a hot turbine?
        Maintain the documented bend radius, avoid rubbing and unsupported spans, keep the hardline away from sharper hot edges, and place the electronics and transition to field wiring in the protected cooler zone.
        Can Bently Nevada 330750-80-05 replace a standard 330500 Velomitor without review?
        Not automatically. Confirm monitor sensitivity, bias and power, mounting geometry, polarity, frequency range, cable routing, hazardous-area approval and the need for separated high-temperature electronics.
        What commissioning evidence should be recorded for Bently Nevada 330750-80-05?
        Record serial number, mounting location and orientation, head and electronics temperatures, bias voltage, baseline velocity spectrum, cable route, monitor scaling, alarm tests and approval drawing used.

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