{"product_id":"vibro-meter-ipc-704-244-704-000-042-charge-to-current-signal-conditioner","title":"VIBRO-METER IPC 704 244-704-000-042 Charge-to-Current Signal Conditioner","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIPC 704 (244-704-000-042)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision signal conditioner specifically designed to interface with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCA xxx\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epiezoelectric accelerometers and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP xxx\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edynamic pressure sensors. As a core component of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVibro-Meter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eproduct line, it converts high-impedance charge-based signals into stable current or voltage outputs. This conversion is vital for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTSI (Turbine Supervisory Instrumentation)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand condition monitoring, as it allows for reliable signal transmission over distances up to 1 km using standard cabling, effectively shielding critical data from the electromagnetic interference common in power plant and industrial environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration (Deep Dive)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e244-704-000-042\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration represents a versatile hardware build intended for extreme industrial reliability.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCharge Amplification:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit functions as a high-gain charge amplifier that accepts signals in picocoulombs (pC) and provides a low-impedance output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFiltering Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt features configurable high-pass and low-pass filters to narrow the frequency band to the specific mechanical signatures of interest, such as blade pass frequencies or bearing wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis model can be configured with an internal integrator, allowing it to convert acceleration data into velocity units (mm\/s or in\/s) directly before transmission.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Transmission:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt utilizes a current modulation technique, which is inherently more resistant to voltage drops and electrical noise than traditional voltage-based systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRFI\/EMI Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe moulded aluminium enclosure acts as a Faraday cage, while internal RFI filters protect the I\/O stages against radio-frequency interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIPC 704 (244-704-000-042)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVibro-Meter (Meggitt)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSwitzerland\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCA xxx (Accelerometers), CP xxx (Pressure)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 Hz to 20 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2-wire current or 3-wire voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-35 to 85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMoulded Aluminium\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHazardous Area Cert\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eATEX, IECEx, NEPSI, cCSAus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the current modulation benefit long-distance monitoring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBy using current modulation, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIPC 704\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures that signal accuracy is not degraded by the resistance of long cables. This allows the conditioner to be placed in a junction box near the machine while the processing electronics (like a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVM600\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erack) are located up to 1,000 meters away in a control room.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a galvanic separation unit required for this conditioner?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, when using the current transmission configuration, a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGSI\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003egalvanic separation unit is required to provide the necessary power and isolation to the loop, ensuring protection against ground loops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the \"Sensor OK\" check in the IPC 704?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe conditioner monitors the bias voltage of the connected transducer. If the sensor or the input cable is shorted or open-circuited, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIPC 704\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewill drive its output to a predefined error level, allowing the monitoring system to trigger a \"Sensor Fault\" alarm instead of a false vibration trip.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Cable Requirements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBecause piezoelectric sensors produce high-impedance signals, the cable between the sensor and the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIPC 704\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emust be a specialized low-noise coaxial or mineral-insulated (MI) cable. Standard industrial wiring in this segment will cause significant signal noise due to the triboelectric effect.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFilter Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBefore commissioning, verify the jumper or solder-link settings for the high-pass and low-pass filters. For typical gas turbine vibration, a high-pass setting of 10 Hz is often used to eliminate low-frequency thermal \"washout.\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Grounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe aluminium housing must be securely bonded to the local instrument ground. If mounting on a DIN rail, ensure the rail itself has a low-resistance path to the earth to maximize the effectiveness of the internal RFI filters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIPC 704 244-704-000-042\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis distinguished by its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHigh Dynamic Range\u003c\/strong\u003e. It is capable of processing minute pressure pulsations in combustion chambers and violent structural vibrations simultaneously without saturating the amplifier. Its Swiss-engineered circuitry provides a \"Cold Start\" capability, reaching stabilized measurement accuracy within seconds of power-up, which is critical for monitoring assets that undergo rapid start-up cycles.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"VIBRO-METER","offers":[{"title":"Default Title","offer_id":52695206887787,"sku":"IPC704 244-704-000-042","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/vibro-meter-ipc704-244-704-000-042-signal-conditioner-gqqkpucqxyz_115d7ab8-f7e2-4c91-9e82-9cda418cc766.jpg?v=1766130717","url":"https:\/\/www.plcprotech.com\/products\/vibro-meter-ipc-704-244-704-000-042-charge-to-current-signal-conditioner","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}