PX409 - 0.08% High Accuracy Pressure Transducer | Omega Engineering
Référence : PX409 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $895 | $895,00 |
| 10 | $850 | $8 500,00 |
| 50 | $805 | $40 250,00 |
| 100 | $760 | $76 000,00 |
| 500 | $705 | $352 500,00 |
PX409 Présentation
A pressure transducer is a sensor that converts an applied fluid or gas pressure into a proportional electrical signal, typically voltage or current, for monitoring, control, or recording purposes. As a category, pressure transducers sit inside the broader hierarchy of pressure sensors -> sensors -> instrumentation -> industrial automation. Within that taxonomy, the PX409 is positioned as a high-accuracy, industrial-grade transmitter engineered for demanding test-stand, hydraulic, and process-control environments where traceability and long-term stability outweigh low-cost priorities.
Key features include ±0.08% Best-Fit-Straight-Line (BFSL) accuracy, ±0.03% linearity option, all-stainless-steel 17-4 PH or 316L wetted parts, welded hermetic sealing, 3X full-scale burst pressure rating, and premium temperature compensation across a -20 °C to +85 °C operating range. The unit ships with a NIST-traceable calibration certificate documenting five calibration points across the pressure range, supporting ISO 17025 and calibration-quality requirements in regulated industries.
Architecturally, the PX409 uses a micro-machined silicon diaphragm with a piezoresistive Wheatstone bridge. Onboard signal conditioning provides amplified, temperature-compensated output, eliminating the need for external instrumentation amplifiers in most applications. The robust mechanical design uses a 1/4" NPT male process connection as standard, with alternate fittings (1/2" NPT, 1/4" BSP, 7/16-20, SAE, or compression fittings) available via the factory configurator.
Typical applications include hydraulic and pneumatic system monitoring, test and measurement instrumentation, fuel-pressure mapping on engine dynamometers, tank-level hydrostatic measurement, refrigeration and HVAC pressure monitoring, pharmaceutical and food-processing line verification, and cleanroom / laboratory gas-line verification. The 4-20 mA option is particularly suited to long cable runs and noisy industrial environments where voltage signals would otherwise suffer degradation.
When integrating the PX409, observe the rated overpressure and burst specifications carefully. Hydraulic spikes and water-hammer events can exceed the rated pressure even when steady-state pressure is within range. For differential or vacuum models, keep the low-pressure side clean and dry; moisture ingestion is the most common service-life failure mode.
This page synthesizes distributor pricing, datasheet specifications, drop-in alternative part options from the same Omega family, and practical installation guidance not consolidated on the manufacturer product page.
Alternatives de remplacement direct pour PX409 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PX409-100GI
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PX409-750GI
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PX409-001VI
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PX409-32HB5V
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PX409-USBH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PX409 Valeurs maximales et caractéristiques électriques
| Pressure Type | Gauge / Absolute / Vacuum / Differential / Compound (configurable) |
| Accuracy (BFSL) | ±0.08% of full scale |
| Linearity (optional) | ±0.03% of full scale |
| Pressure Range | Inches of water to 10,000 PSI (model-dependent) |
| Output Options | 4-20 mA / 0-5 VDC / 0-10 VDC / ±10 VDC / USB / RS-485 |
| Calibration Certificate | 5-point NIST traceable (included) |
| Process Connection | 1/4" NPT male (standard) |
| Wetted Materials | 17-4 PH / 316L stainless steel |
| Température de fonctionnement | -20 °C to +85 °C |
| Compensated Temperature | -20 °C to +85 °C (premium compensation) |
| Burst Pressure Rating | 3x full scale (minimum) |
| Construction | Welded, hermetically sealed |
| Sensing Technology | Micro-machined silicon strain gauge (piezoresistive) |
| Electrical Connection | Flying lead / cable / M12 connector (model-dependent) |
| Style de montage | Inline process mount |
| Statut RoHS | Compliant |
Guide de configuration des broches du PX409 standard
Configuration des broches du PX409 (boîtier standard). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour PX409.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
PX409 convient pour 6 applications: Hydraulic System Pressure Monitoring, Test and Measurement Instrumentation, HVAC and Refrigeration Pressure Monitoring, Engine Dynamometer Fuel and Oil Pressure Mapping, Pharmaceutical and Food-Process Line Pressure Verification, Cleanroom and Laboratory Gas-Line Verification.
Hydraulic System Pressure Monitoring
The PX409 is purpose-built for continuous hydraulic-system pressure monitoring on industrial machinery, test stands, and mobile-equipment skids. Its 3X full-scale burst pressure rating provides a robust safety margin against transient water-hammer spikes typical of hydraulic lines, and the all-stainless-steel 17-4 PH / 316L wetted path tolerates petroleum-based hydraulic fluids, water-glycol, and most synthetic lubricants. The 4-20 mA two-wire current-loop output option is preferred for hydraulic installations because the current signal rejects induced EMI across long cable trays to PLC analog input modules. With ±0.08% BFSL accuracy and the included 5-point NIST-traceable calibration certificate, the PX409 supports ISO 17025 auditability in regulated manufacturing environments and gives test engineers a calibrated, traceable reading on every cycle.
Recommandé
Test and Measurement Instrumentation
The PX409 is widely deployed in laboratory and production test-and-measurement stands where its ±0.08% accuracy and bundled 5-point NIST-traceable calibration certificate provide the documentation required by quality systems. The optional ±0.03% linearity variant goes further to support high-resolution sweep testing of pressure regulators, flow-control valves, and burst-test fixtures. The series spans from inches of water for low-pressure airflow characterization up to 10,000 PSI for high-pressure component qualification; one sensor family covers the entire test-bench pressure range, simplifying purchasing and standardization. The USB-output high-speed PX409-USBH variant connects directly to a PC with bundled .NET drivers, enabling automated data acquisition without a separate signal conditioner or DAQ chassis.
Recommandé
HVAC and Refrigeration Pressure Monitoring
In HVAC and commercial refrigeration systems, the PX409 reliably monitors refrigerant and air-handling pressures across the full -20 °C to +85 °C compensated temperature range of the sensor. Low-pressure inches-of-water gauge ranges support cleanroom static-pressure verification and duct air-flow balance checks, while higher-pressure ranges cover refrigerant suction and discharge lines. The stainless-steel welded construction tolerates common refrigerants including R-410A, R-134a, and R-22 within compatibility limits confirmed via the manufacturer's chemical compatibility chart. Maintenance crews benefit from the 4-20 mA option for distributed rooftop equipment where long analog cable runs feed back to a building-management-system controller.
Recommandé
Engine Dynamometer Fuel and Oil Pressure Mapping
Engine dynamometer cells use the PX409 to map fuel-rail pressure, oil-gallery pressure, and crankcase pressure under transient load conditions where its 1 kHz+ dynamic response and ±0.08% static accuracy provide both calibration-grade steady-state readings and fast transient capture. The premium -20 °C to +85 °C compensation is essential under-hood where underbody temperatures swing with cold starts and full-load operation. Series-supported gauge, absolute, and differential reference types allow the same sensor family to be used across intake-manifold vacuum and crankcase blow-by measurements, simplifying dyno cell instrumentation standardisation. All-stainless wetted construction resists gasoline, diesel, and synthetic motor oils encountered during fuel-system mapping.
Recommandé
Pharmaceutical and Food-Process Line Pressure Verification
The PX409 supports pharmaceutical and food-and-beverage process-line pressure verification with documentation requirements met by the included NIST-traceable calibration certificate and stainless-steel hygienic wetted path. Its welded 316L stainless-steel construction is clean-in-place compatible and conforms to typical food-grade process expectations (verify with your validation team). Differential and compound reference formats enable flow-element differential-pressure measurement on clean-in-place skids and sterile filtration lines. With ±0.08% accuracy, the PX409 meets the data-integrity expectations of FDA 21 CFR Part 11 and EU GMP Annex 11 process-validation protocols when paired with appropriate electronic records management.
Recommandé
Cleanroom and Laboratory Gas-Line Verification
In semiconductor cleanrooms, hospital laboratories, and analytical chemistry suites, the PX409 verifies gas-line pressure for high-purity nitrogen, argon, and specialty gas distribution where ±0.08% accuracy prevents downstream analyzer drift. The low-pressure inches-of-water ranges accurately measure cleanroom static-pressure differentials across HEPA filter walls, supporting ISO 14644-1 particle-count compliance checks. The all-stainless-steel welded sensor body minimizes outgassing and contamination compared to elastomer-sealed alternatives that can offgas under vacuum service. With both gauge and absolute reference modes available, the PX409 doubles for atmospheric-reference and sealed-system pressure measurements in the same lab.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PX409 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PX409-100GI | PX409-750GI | PX409-001VI | PX409-32HB5V | PX409-USBH |
|---|---|---|---|---|---|---|
| Brand | Omega | Omega (same family) | Omega (same family) | Omega (same family) | Omega (same family) | Omega (same family) |
| Package | 1/4" NPT male process fitting | 1/4" NPT male - same | 1/4" NPT male - same | 1/4" NPT male - same | 1/4" NPT male - same | 1/4" NPT male - same |
| Pressure Range | Configurable (inH2O to 10,000 PSI) | 100 PSI gauge | 750 PSI gauge | Vacuum range | 32 inH2O | Configurable |
| Output Signal | Configurable (mA / VDC / USB / RS-485) | 4-20 mA | 4-20 mA | Voltage (0-5 VDC typical) | 0-5 VDC | USB |
| Accuracy | ±0.08% BFSL | ±0.08% BFSL | ±0.08% BFSL | ±0.08% BFSL | ±0.08% BFSL | ±0.08% BFSL |
| NIST Calibration Certificate | 5-point, included | 5-point, included | 5-point, included | 5-point, included | 5-point, included | 5-point, included |
| Wetted Materials | 17-4 PH / 316L stainless steel | 17-4 PH / 316L stainless steel | 17-4 PH / 316L stainless steel | 17-4 PH / 316L stainless steel | 17-4 PH / 316L stainless steel | 17-4 PH / 316L stainless steel |
| Operating Temperature | -20 °C to +85 °C | -20 °C to +85 °C | -20 °C to +85 °C | -20 °C to +85 °C | -20 °C to +85 °C | -20 °C to +85 °C |
Principaux différenciateurs
- NIST-traceable 5-point calibration included per unit (vs PX409-100GI)
- All-stainless-steel 17-4 PH / 316L welded construction (vs PX409-32HB5V)
- Configurable output and pressure range from a single sensor family (vs PX409-USBH)
Notes de conception
Transient water-hammer spikes on hydraulic lines can far exceed the rated pressure even when steady-state readings are within spec. Use the PX409 in applications where the dynamic peak stays below the 3x full-scale burst rating; consider adding an inline snubber or accumulator if the upstream pump or valve stack is prone to pressure transients, otherwise the welded sensing diaphragm can be overstressed during a spike event.
For 4-20 mA two-wire installations, route the loop wiring through shielded twisted-pair cable with the shield grounded at the controller end only, to reject common-mode noise from VFD cables and motor leads. Keep analog signal runs at least 12 inches from AC power conductors and avoid parallel runs longer than 3 feet; for long cable runs (>500 ft), choose a voltage-output PX409 variant instead and convert to current near the controller to preserve signal integrity.
Although the PX409 carries full temperature compensation across -20 °C to +85 °C, do not assume accuracy holds beyond the compensated range - operating above +85 °C accelerates elastomer-seal aging and shifts zero point, while operating below -20 °C risks condensation forming on the sensing diaphragm. For outdoor hydraulic-skid installations in cold climates, mount the transducer inside a heated enclosure or use a heat-traced version if specified through the Omega configurator.
The PX409 sensing diaphragm is sensitive to vibration-induced noise above ~200 Hz, especially on engine-dyno and reciprocating-pump installations. Vibration-isolate the transducer with a flexible hose section or a dampening bracket and avoid rigid-mounting directly to the pressure source; this preserves ±0.08% accuracy and prevents premature fatigue at the welded process-fitting root.
Informations de conformité
RoHS compliance confirmed via Omega product page. AEC-Q100 not applicable for industrial pressure transducer. REACH, halogen-free, and conflict-minerals compliance not stated in available web data and are flagged unknown.
