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          Apter Power provides 330750-60-CN quotations, product manuals, and High Temperature Velomitor selection support.

        330750-60-CN

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        1001 reviews ｜ Need a Specific Revision?
        Bently Nevada 330750-60-CN is a six-metre High Temperature Velomitor that separates the 400°C sensing head from cooler signal-conditioning electronics.
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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.
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        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 330750-60-CN

        • Manufacturer:
          Bently Nevada
        • Part Number:
          330750-60-CN
        • Product Family:
          330750 / 330752 High Temperature Velomitor System
        • Product Type:
          High Temperature Velomitor Sensor
        • Stock:
          1
        • Integral Cable Length:
          6 metres
        • Nominal Sensitivity:
          5.7 mV/mm/s (145 mV/in/s) ±5%
        • Frequency Response:
          15 to 2000 Hz ±3 dB; 20 to 1000 Hz ±0.9 dB
        • Amplitude Range:
          635 mm/s peak below 680 Hz; 2940 m/s² peak above 680 Hz
        • Amplitude Linearity:
          ±2% to 152 mm/s peak
        • Mounted Resonant Frequency:
          Greater than 5 kHz
        • Output Bias Voltage:
          -12 ±2 VDC
        • Sensing Head and Cable Temperature:
          -55°C to +400°C
        • Electronics Temperature:
          -55°C to +121°C
        • Transient Temperature Sensitivity:
          0.0762 mm/s/°C typical
        • Transverse Sensitivity:
          Less than 5%
        • Broadband Noise Floor:
          0.127 mm/s rms, 15 Hz to 2 kHz
        • Maximum External Cable Length:
          305 metres without signal degradation
        • Recommended Field Cable:
          Double-shielded, two-conductor cable
        • Grounding:
          Case isolated
        • Case Material:
          300 series stainless steel
        • Connector:
          Two-pin MIL-C-5015 hermetic receptacle with 304 stainless-steel shell
        • Minimum Bend Radius:
          51 mm
        • Shock Survivability:
          24,535 m/s² peak
        • Relative Humidity:
          100% non-submerged; hermetically sealed case
        • Maximum Use Altitude:
          2000 metres above sea level
        • Outdoor Installation:
          Protected enclosure and conduit; splash boots optional
        • Weight:
          2.1 lbs (0.953 kg)
        • Estimated shipping dimensions:
          22×20×4 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 Separation Velocity Signal Mounting Path Cabling Limits

        Features:

        • Bently Nevada 330750-60-CN separates the high-temperature sensing head from its signal-conditioning electronics.
        • The six-metre hardline cable remains integral to the sensor head.
        • A case-isolated stainless-steel body carries the velocity signal through a hermetic two-pin receptacle.
        The separated construction lets the 330750-60-CN sensing head and cable work on surfaces up to +400°C while the electronics stays within its +121°C limit.

        Its 5.7 mV/mm/s velocity output covers casing-vibration content from 15 to 2000 Hz, with the tighter ±0.9 dB band defined from 20 to 1000 Hz.

        Field wiring can extend from the receptacle through double-shielded, two-conductor cable, provided the total external run does not exceed 305 metres.

        The Bently Nevada 330750-60-CN High Temperature Velomitor Sensor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Bently Nevada 330750-60-CN High Temperature Velomitor Sensor Manuals,Datasheets,LinkImportant 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.

        Hot-zone and cool-zone relationship:

        • Sensing location: The sensor head of 330750-60-CN may remain on a surface as hot as +400°C.
        • Signal conditioning: The electronics are physically separated and limited to +121°C.
        • Integral link: The six-metre hardline cable carries the signal out of the hot zone without an intermediate connector.
        • Installation boundary: The head, cable and electronics must each remain within their own temperature range.

        How the measured motion becomes an electrical output:

        • Conversion: 330750-60-CN produces 5.7 mV/mm/s for casing velocity.
        • Useful band: The 20 to 1000 Hz region carries the tighter ±0.9 dB response.
        • Extended band: Response continues from 15 to 2000 Hz within ±3 dB.
        • Circuit check: A -12 ±2 VDC bias provides a powered reference before the dynamic vibration component is evaluated.

        Mechanical and electrical path at the machine:

        • Body: The 300-series stainless-steel case of 330750-60-CN is electrically isolated.
        • Machine interface: Mechanical coupling at the selected casing point transfers surface motion to the sensing element.
        • Connector: A hermetically sealed two-pin MIL-C-5015 receptacle completes the sensor-side connection.
        • Outdoor routing: A protected enclosure and conduit keep the field connection within the documented installation boundary.

        Boundaries for routing the complete cable run:

        • Hardline section: The attached six-metre cable on 330750-60-CN is part of the sensor assembly.
        • Bend control: Routing must maintain a radius of at least 51 mm.
        • Field extension: Double-shielded, two-conductor cable is recommended beyond the receptacle.
        • Total reach: External cable may extend to 305 metres without degrading the signal.
        Description
        Bently Nevada 330750-60-CN is a High Temperature Velomitor in the 330750/330752 system. It measures casing vibration while separating the sensing element from the signal-conditioning electronics, so the sensing head can remain at the machine surface and the electronics can be placed in a cooler location.

        The sensing head and six-metre integral hardline cable of 330750-60-CN operate from -55°C to +400°C, while the associated electronics operate from -55°C to +121°C. Keeping the hardline cable permanently attached removes an intermediate connection from the high-temperature signal path.

        For velocity measurement, 330750-60-CN has a nominal sensitivity of 5.7 mV/mm/s (145 mV/in/s) ±5%. Its response is specified from 15 to 2000 Hz within ±3 dB and from 20 to 1000 Hz within ±0.9 dB, with a -12 ±2 VDC output bias that provides a reference for checking the powered signal circuit.

        The stainless-steel body of 330750-60-CN is case isolated and terminates through a hermetically sealed two-pin MIL-C-5015 receptacle. A double-shielded, two-conductor field cable can extend the connection by as much as 305 metres without signal degradation; the integral cable must retain a minimum 51 mm bend radius, and outdoor wiring requires a protected enclosure and conduit.
        Alternative Names
        33075O-6O-CN 33075060CN 330750 60 CN Bently Nevada 330750-60-CN Bently Nevada 330750 6 m High Temperature Velomitor 330750 High Temperature Velomitor 6 Meter 330750-60 High Temperature Velomitor 330750/330752 High Temperature Velomitor System
        Technical notes
        Bently Nevada 330750-60-CN separates its high-temperature sensing head and six-metre hardline cable from the cooler signal-conditioning electronics used for casing-velocity measurement.
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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
        Can the signal-conditioning electronics of 330750-60-CN be mounted at the 400°C sensing location?
        No. The 330750-60-CN sensing head and integral cable are rated to +400°C, while the signal-conditioning electronics are rated to +121°C and must remain in a cooler location.
        What should be checked when the 330750-60-CN velocity signal appears weak?
        Check the 330750-60-CN mounting surface and mechanical coupling first, then verify the two-pin connection and field-cable continuity before interpreting the vibration level.
        What does an abnormal bias voltage indicate on 330750-60-CN?
        The 330750-60-CN output bias should be -12 ±2 VDC, so an out-of-range value calls for checks of power, polarity, connector condition and cable integrity.
        How far can the field wiring extend from 330750-60-CN?
        The 330750-60-CN connection can use up to 305 metres of external cable without signal degradation when the recommended double-shielded, two-conductor cable is used.
        How tightly may the integral cable of 330750-60-CN be routed?
        Keep the 330750-60-CN integral cable at or above its 51 mm minimum bend radius to avoid stressing the hardline cable during routing.
        Why is the hardline cable permanently attached to 330750-60-CN?
        The integral construction of 330750-60-CN removes an intermediate connector from the high-temperature signal path, reducing one potential connection point between the sensing head and electronics.

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