{"title":"Bently Nevada 3500\/77M Cylinder Pressure Monitor","description":"\u003cp\u003eThe Bently Nevada 3500\/77M Cylinder Pressure Monitor is designed for continuous monitoring of cylinder pressure in large reciprocating compressors and engines. As part of the trusted 3500 Series Machinery Protection System, the 3500\/77M module provides accurate pressure data to help operators detect abnormal combustion conditions, optimize performance, and prevent costly equipment failures in critical industrial applications.\u003c\/p\u003e","products":[{"product_id":"bently-nevada-3500-77m-176449-07-recip-cylinder-pressure-monitor","title":"Bently Nevada 3500\/77M 176449-07 Recip Cylinder Pressure Monitor","description":"\u003ch2\u003eBently Nevada 3500\/77M Recip Cylinder Pressure Monitor – 4-Channel Machinery Protection Module\u003c\/h2\u003e\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eBently Nevada 3500\/77M Recip Cylinder Pressure Monitor\u003c\/strong\u003e safeguards reciprocating compressors with precise pressure monitoring. This 4-channel module processes inputs from approved transducers to deliver critical performance metrics. It ensures machinery protection by triggering alarms when parameters exceed user-defined limits. Operators gain real-time insights into discharge pressure, suction pressure, and rod load conditions. The monitor supports proactive maintenance and reduces unplanned downtime.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs\u003c\/strong\u003e\u003cbr\u003eAccepts 1–4 channels from \u003cstrong\u003eBently Nevada-approved\u003c\/strong\u003e pressure transducers (0.5–10V range)\u003cbr\u003eScalable mV\/psi ranges: 950 mV\/psi (10,000 psia) to 95,000 mV\/psi (100 psia)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003cbr\u003eMeasures 8 variables: max\/min pressure, compression ratio, rod load, and reversal\u003cbr\u003e±0.5% accuracy at 25°C (±1.0% from -30°C to +65°C)\u003cbr\u003e0–5.5 kHz frequency response for dynamic pressure analysis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs \u0026amp; Power\u003c\/strong\u003e\u003cbr\u003eBuffered transducer outputs (550 Ω impedance, short-circuit protected)\u003cbr\u003e+23Vdc power supply per channel (24.5 mA current limit)\u003cbr\u003eFront-panel LEDs for status, communication, and bypass mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental\u003c\/strong\u003e\u003cbr\u003eOperates in -30°C to +65°C (-22°F to +150°F)\u003cbr\u003e95% humidity (non-condensing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003cbr\u003eComplies with FCC, EMC (EN 61000-6-2\/4), LV Directive (EN 61010-1), and RoHS\u003cbr\u003eDNV GL and ABS maritime approvals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrdering\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e176449-07\u003c\/strong\u003e: Main monitor module\u003cbr\u003e\u003cstrong\u003e143729-01 \/ 143737-01\u003c\/strong\u003e: I\/O modules (internal\/external terminations)\u003cbr\u003e\u003cstrong\u003e165855-XX\u003c\/strong\u003e: Custom pressure transducers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for oil \u0026amp; gas, petrochemical, and industrial applications requiring reliable compressor protection.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":49221707563290,"sku":"3500\/77M","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/350077M176449-07_2.jpg?v=1719043795"},{"product_id":"3500-77m-03-00-176449-07-bently-nevada-recip-cylinder-pressure-monitor","title":"3500\/77M-03-00 176449-07 Bently Nevada Recip Cylinder Pressure Monitor","description":"\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e1 to 4 channels of Bently Nevada approved positive voltage (psia) pressure transducers\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFront panel LEDs that indicate operational status (Signal OK, Bypass, etc.)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e7.8 watts with transducer supplies at full load\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTransducer Power Supply\u003c\/strong\u003e:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: +23.0 ± 0.8 Vdc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Limiting\u003c\/strong\u003e: 24.5 mA on each channel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":49244278259994,"sku":"176449-07","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/350042M-01-02_2_c4942a24-c10a-4822-bf88-4b6ae0656fe3.jpg?v=1719382364"},{"product_id":"143729-01-bently-nevada-cylinder-pressure-i-o-module","title":"143729-01 Bently Nevada Cylinder Pressure I\/O Module","description":"\u003ch3\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Channels:\u003c\/strong\u003e Up to 8 cylinder pressure channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Input Range:\u003c\/strong\u003e -100 to 500 psi (-0.69 to 3.45 MPa)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSampling Rate:\u003c\/strong\u003e Up to 25,000 samples\/second per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±1% of full scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to 70°C (-40°F to 158°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 50 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 7.8 Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (Height x Width x Depth):\u003c\/strong\u003e 241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.20 kg (0.44 lb.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Space Requirement:\u003c\/strong\u003e 1 full-height rear slot\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":49274467320090,"sku":"143729-01","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/4_5583a6ac-9570-466b-8594-9510f2e611d9.jpg?v=1719755578"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/collections\/Bently_Nevada_3500-61_Troubleshooting_A_Guide_for_Control_Systems_562e9294-bcd9-481b-9147-01c08aa00f28.jpg?v=1770866956","url":"https:\/\/www.ubestplc.com\/collections\/bently-nevada-3500-77m-cylinder-pressure-monitor.oembed","provider":"Ubest Automation Limited","version":"1.0","type":"link"}