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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.
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.
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.
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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Technical specifications for 21747-045-01
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Product Model21747-045-01
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Product ParametersExtension Cable
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size30x28x2cm
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ManufacturerBently Nevada
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Weight0.45 kg
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Cable Length Option4.50 mctres (177 inches)
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Armor OptionWith armor
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Power-17.5 Vdc to- 26 Vdc at 12 mA
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Probe and Extension Cable- 309°F to + 350°F ( -349°Cto + 177°C)
Description
The Bently Nevada 21747-045-01 is a 4.5-metre Proximitor Probe Extension Cable with Armor from the 7200 Proximity Transducer System family. It serves as the signal transmission link between a 7200 series proximity probe and a 7200 series Proximitor sensor in industrial machinery monitoring applications.
This extension cable is 4.5 metres (177 inches / 14.8 feet) in length and is supplied with armor (option code 01). It is constructed with a high-quality coaxial cable design using high-temperature, corrosion-resistant materials to ensure reliable signal transmission in demanding industrial environments. The cable effectively reduces electromagnetic interference and maintains signal integrity across its extended length.
The armor consists of a flexible stainless steel braid with a protective outer jacket, providing mechanical protection for the cable in harsh industrial environments where abrasion, crushing, or rodent damage may occur. The armor covers the entire cable length except for the terminal sections at each end to allow connector access.
This extension cable is 4.5 metres (177 inches / 14.8 feet) in length and is supplied with armor (option code 01). It is constructed with a high-quality coaxial cable design using high-temperature, corrosion-resistant materials to ensure reliable signal transmission in demanding industrial environments. The cable effectively reduces electromagnetic interference and maintains signal integrity across its extended length.
The armor consists of a flexible stainless steel braid with a protective outer jacket, providing mechanical protection for the cable in harsh industrial environments where abrasion, crushing, or rodent damage may occur. The armor covers the entire cable length except for the terminal sections at each end to allow connector access.
Information
Overview
Manuals
Application Notes
Product Applications
Cable Connection
Features:
- 75 Ω Coaxial Extension Cable for 7200 Series Proximity Transducer Systems
- 4.5 Meter Cable Length with Steel Armor Protection
- Wide Temperature Range (-34°C to +177°C)
- Complete Interchangeability with 7200 Series Components
21747 is a 75 Ω coaxial extension cable specifically engineered for use with 7200 Series Proximitor Sensors and 7200 Series 5mm and 8mm probes. The electrical characteristics of 21747 are precisely matched to the system requirements, ensuring that the combined probe, extension cable, and Proximitor Sensor deliver accurate and stable measurements. The 7200 Series Proximity Transducer Systems including 21747 are noncontacting, gap-to-voltage transducer systems that measure static as well as dynamic distances between the probe tip and the observed target.
The 21747-045-01 Bently Nevada Extension Cable may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21747-045-01 Extension Cable Manuals, Datasheets, Drivers, Link
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.
The 21747-045-01 is designed for use with Bently Nevada 7200 Series 5 mm and 8 mm Proximity Transducer Systems, which are non-contacting, gap-to-voltage transducer systems that measure both static and dynamic distances between the probe tip and the target surface. The system delivers an 80 mil (2.0 mm) linear measuring range and is API 670 compliant.
The cable is compatible with Bently Nevada 3300 and 9000 Monitoring Systems, enabling seamless integration into existing vibration monitoring and machinery protection infrastructures. Primary applications include shaft position and vibration monitoring on rotating and reciprocating machinery such as gas turbines, steam turbines, compressors, pumps, centrifuges, electric motors, and generators.
- Turbines: Monitors high-speed rotor dynamics on industrial gas/steam turbines
- Compressors/Pumps: Guards axial/centrifugal/reciprocating units in harsh fluid environments
- Generators/Motors: Tracks bearing health in power grids and large industrial drives
- Power Plants: Prevents unplanned outages across heavy turbine decks
- Oil/Gas Refineries: Sustains petrochemical pumps and transport pipelines
- Chemical Processing: Protects mixers, blowers, and separation equipment from critical failures
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
System Length: The probe, integral cable, and extension cable are calibrated as a matched set. The total system length must be exactly 5 or 9 meters (the 21747-045-01 pairs with a 0.5m probe lead for a 5-meter system).
Mating Connectors: Secure the coaxial connectors hand-tight. Ensure no physical damage or over-bending. Bently Nevada connectors do not require special tools, but they should be fully seated to avoid signal degradation.
Insulation: Wrap the coaxial connection between the probe cable and the extension cable with self-fusing silicone tape (or Bently-supplied protective boots) if exposed to moisture or oil in the field.
Alternative Names
21747-045-0I
21747-045-O1
21747-O45-01
2I747-045-01
21747 045 01
21747 045 0I
21747 045 O1
21747 O45 01
2I747 045 01
21747-045-00
Technical notes
The specifications for the 7200 Series system including 21747 were determined with a -24 Vdc power supply, 10 kΩ load, and an AISI 4140 steel target at +72°F (+22°C). The input power requirement is -17.5 Vdc to -26 Vdc at 12 mA maximum consumption. The output calibrated range is 80 mils (2.0 mm), beginning at approximately 10 mils (0.25 mm) from the probe face. The scale factor is 200 mV/mil (7.87 V/mm), ±4% if calibrated as a system, or within ±9.5% including interchangeability errors. The linearity is within 0.8 mils (0.02 mm) of a 200 mV/mil straight line if calibrated as a system, or within 2.3 mils (0.06 mm) including interchangeability errors.
FAQs
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What is the 21747-045-01?
+The Bently Nevada 21747-045-01 is a Proximitor Probe Extension Cable designed for 7200 Series proximity transducer systems. -
What is the normal gap voltage range when this cable is in use?
+When the Bently Nevada proximity probe is properly gapped and the machinery is operating normally, the gap voltage typically falls between -9 V and -11 V DC. -
Can this cable be used with newer 3300 XL Proximity Transducer systems?
+No. The 21747 part series belongs to the legacy 7200 Series and is not directly backward-compatible with 3300 XL series components. -
Does the extension cable length affect system calibration?
+Yes. Bently Nevada proximity systems are precisely calibrated for a specific total system length (typically 5 or 9 meters when combining the probe and extension). Swapping to a different cable length alters the transducer's calibration and signal output.
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