{"product_id":"330750-60-05-bently-nevada-high-temperature-velomitor-system","title":"330750-60-05 Bently Nevada High Temperature Velomitor System","description":"\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e\u003c\/strong\u003e is a piezoelectric velocity transducer system engineered by \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/strong\u003e for extreme thermal environments. Designed for continuous surface mounting up to +400°C (+752°F), the \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e\u003c\/strong\u003e segregates the sensing head from the signal conditioning electronics via an integral 6-meter hardline cable. This permanent construction eliminates fragile connector interfaces in hot zones, routing raw signals safely to a cooler location for accurate processing across \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003eHigh Temperature Velomitor System\u003c\/span\u003e\u003c\/strong\u003e industrial monitoring applications.\u003c\/p\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eConfiguration Breakdown \u0026amp; Part Number Tree\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number Structure:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e330750-AA-BB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e330750\u003c\/strong\u003e — \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/strong\u003e High Temperature Velomitor System (HTVS) Base Model\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e-AA [Hardline Cable Length Option]:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e60\u003c\/span\u003e\u003c\/strong\u003e — 6.0 meters (19.7 feet) integral hardline cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-BB [Agency Approval Option]:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e05\u003c\/span\u003e\u003c\/strong\u003e — Multiple Hazardous Area Approvals (CSA, ATEX, and IECEx certified)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eTechnical Specifications (MECE Framework)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003e1. Basic Identification\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/strong\u003e (Made in USA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003eHigh Temperature Velomitor System\u003c\/span\u003e\u003c\/strong\u003e (HTVS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransducer Type:\u003c\/strong\u003e Segregated Piezoelectric Velocity Sensor System\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003e2. Electrical \u0026amp; Performance Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eTechnical Value Standard\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibrated Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.7 mV\/mm\/s (145 mV\/in\/s) ±5% at reference calibration frequencies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Frequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 to 2000 Hz (900 to 120,000 cpm) ±3.0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNarrow-Band Frequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 to 1000 Hz (1,200 to 60,000 cpm) ±0.9 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplitude Linearity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% up to 152 mm\/s (6 in\/s) peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Amplitude Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e635 mm\/s (25 in\/s) peak \u0026lt;680 Hz; 2940 m\/s² (300 g) peak \u0026gt;680 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransverse Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 5% of primary axis sensitivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounted Resonant Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreater than 5 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Bias Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-12 VDC ± 2.0 VDC nominal system operating voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBroadband Noise Floor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.127 mm\/s (0.005 in\/s) rms nominal (15 Hz to 2 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransient Temperature Drift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0762 mm\/s\/°C (0.003 in\/s\/°C) per ISO 5347-18:1993(E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Signal Transmission Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e305 meters (1000 feet) field wiring length to monitor without degradation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003e3. Physical \u0026amp; Structural Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensing Head \u0026amp; Housing:\u003c\/strong\u003e 300-series stainless steel hermetic enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegral Cable Construction:\u003c\/strong\u003e Stainless steel hardline mineral-insulated cable, minimum bend radius 51 mm (2.0 in).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Connector:\u003c\/strong\u003e 2-pin Mil-C-5015 hermetically sealed receptacle with 304 stainless steel shell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarity Convention:\u003c\/strong\u003e Pin A goes positive relative to Pin B when velocity vector acts from base to top of sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Unit Weight:\u003c\/strong\u003e 953 grams (2.10 lb) typical complete assembly weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Electrical Isolation:\u003c\/strong\u003e Sensor case electrically isolated from internal measurement loop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003e4. Environmental Robustness \u0026amp; Hazardous Area Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensing Head \u0026amp; Cable Temperature:\u003c\/strong\u003e -55°C to +400°C (-67°F to +752°F) continuous surface limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Electronics Temperature:\u003c\/strong\u003e -55°C to +121°C (-67°F to +250°F) operating location limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Temperature Classes:\u003c\/strong\u003e T4 (-40°C to +100°C) and T1 (-40°C to +400°C) dependent on installation zone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Limit:\u003c\/strong\u003e 24,535 m\/s² (2,500 g) peak maximum survivability rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 100% non-submerged; fully hermetic laser-welded seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectives \u0026amp; Standards:\u003c\/strong\u003e EMC Directive 2014\/30\/EU, RoHS 2011\/65\/EU, ATEX Directive 2014\/34\/EU (EN 60079 series).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eAdvanced Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e\u003c\/strong\u003e incorporates continuous circuit monitoring features when integrated into \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/strong\u003e 3500 or 1900-series machinery protection systems. Diagnostic logic constantly evaluates the -12 VDC bias output voltage. If thermal stress fractures the internal ceramic element, or if hardline cable damage occurs during operation, the bias voltage strays outside the nominal -10 VDC to -14 VDC window. The monitor immediately flags a Not OK fault condition, preventing false alarms and ensuring reliable machine trip logic.\u003c\/p\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGas turbine casing vibration monitoring in extreme thermal zones.\u003c\/li\u003e\n\u003cli\u003eSteam turbine valve body and main stop valve dynamic response measurement.\u003c\/li\u003e\n\u003cli\u003ePetrochemical hot gas expanders and catalytic cracker blower housings.\u003c\/li\u003e\n\u003cli\u003eHigh-temperature exhaust fans and thermal power plant induced-draft blowers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eInstallation \u0026amp; Handling Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEnsure the mounting surface on the target machine is flat and clean to maintain accurate high-frequency transmission up to 5 kHz. Torque the sensor base firmly according to \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/strong\u003e mounting specifications. Route the 6-meter integral hardline cable carefully, maintaining a strict minimum bend radius of 51 mm (2.0 in) to prevent internal insulation failure. Mount the signal conditioning housing block in a cooler location where ambient temperatures remain strictly below +121°C (+250°F).\u003c\/p\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003ePackaging, Logistics \u0026amp; Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScope of Delivery:\u003c\/strong\u003e 1x Factory Sealed \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eBently Nevada\u003c\/span\u003e \u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e\u003c\/strong\u003e Sensing Head with 6m Hardline Cable \u0026amp; Electronics, 1x Quick Reference Guide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Complete 12-Month Guarantee covering functional and material defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Processing:\u003c\/strong\u003e Fast order handling and shipment within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Express Courier:\u003c\/strong\u003e Direct express delivery globally via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDuring a commissioning audit on a gas turbine exhaust casing, an industrial plant experienced recurring sensor dropouts on standard velocity probes due to ambient heat surpassing +250°C. Upgrading the installation to the \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e\u003c\/strong\u003e resolved the breakdown issue entirely. The 6-meter hardline cable allowed our technicians to pass through the hot acoustic enclosure wall and mount the conditioning electronics in an external, lower-temperature junction box. \u003cem\u003eField Tip: Always secure the hardline cable with stainless steel conduit clamps every 0.5 meters to prevent high-amplitude machine vibration from flexing the cable near its housing joint.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eSelection \u0026amp; Buyer's Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen specifying the \u003cstrong\u003e\u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e\u003c\/strong\u003e system, confirm that your target machine operating surface temperature does not exceed +400°C. Verify that a 6-meter cable length (Option 60) is sufficient to reach a cooler zone where ambient temperatures stay under +121°C for the signal electronics. The Option 05 designation ensures full compliance for plants requiring hazardous area certifications across ATEX, IECEx, and CSA standards simultaneously.\u003c\/p\u003e\n\u003ch3 style=\"color: #003366;\"\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the main structural advantage of the \u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e compared to standard Velomitor sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The system segregates the high-temperature sensing head from its signal processing electronics using a laser-welded hardline cable, allowing operation on +400°C surfaces without baking internal semiconductors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can the 6-meter hardline cable on the \u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e be disconnected from the sensor head?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The sensing head and hardline cable are permanently integrated and hermetically sealed to eliminate connector failure points in extreme heat zones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What happens if the hardline cable bends tighter than the specified 51 mm minimum bend radius?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Sharp bends can fracture the internal mineral insulation or crack the outer 300-series stainless steel sheath, causing permanent signal ground shorts or open circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How do I test the health of the \u003cspan style=\"color: #0275d8;\"\u003e330750-60-05\u003c\/span\u003e sensor system using a DC multimeter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Measure the output bias voltage between the signal and common lines with power applied; a normal operational unit will read steadily within -12 VDC ± 2.0 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What field cable type is recommended to connect the Mil-C-5015 receptacle to the rack monitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use a high-quality 2-conductor shielded twisted-pair cable protected inside rigid metal conduit up to a maximum run distance of 305 meters (1000 feet).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330750_2.png?v=1789358022\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013957410998,"sku":"330750-60-05","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada330750_2_1e805ef0-b3fb-4bf3-b7af-8d1d5fa26dbf.jpg?v=1789358039","url":"https:\/\/www.plcsparehub.com\/products\/330750-60-05-bently-nevada-high-temperature-velomitor-system","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}